From: "Alice Ferrazzi" <alicef@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.19 commit in: /
Date: Fri, 16 Apr 2021 11:15:51 +0000 (UTC) [thread overview]
Message-ID: <1618571733.c9b7de80c8386cbd1e7033401062a566d8bf90b1.alicef@gentoo> (raw)
commit: c9b7de80c8386cbd1e7033401062a566d8bf90b1
Author: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Fri Apr 16 11:15:24 2021 +0000
Commit: Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Fri Apr 16 11:15:33 2021 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=c9b7de80
linux patch 4.19.188
Signed-off-by: Alice Ferrazzi <alicef <AT> gentoo.org>
0000_README | 4 +
1187_linux-4.19.188.patch | 3892 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 3896 insertions(+)
diff --git a/0000_README b/0000_README
index 0fdb045..32b1ad4 100644
--- a/0000_README
+++ b/0000_README
@@ -787,6 +787,10 @@ Patch: 1186_linux-4.19.187.patch
From: https://www.kernel.org
Desc: Linux 4.19.187
+Patch: 1187_linux-4.19.188.patch
+From: https://www.kernel.org
+Desc: Linux 4.19.188
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1187_linux-4.19.188.patch b/1187_linux-4.19.188.patch
new file mode 100644
index 0000000..aa0f999
--- /dev/null
+++ b/1187_linux-4.19.188.patch
@@ -0,0 +1,3892 @@
+diff --git a/Makefile b/Makefile
+index ceec39b530bbe..85f071709a619 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 187
++SUBLEVEL = 188
+ EXTRAVERSION =
+ NAME = "People's Front"
+
+diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
+index a3b6f58d188c9..6d43f7901da23 100644
+--- a/arch/arm64/include/asm/kvm_arm.h
++++ b/arch/arm64/include/asm/kvm_arm.h
+@@ -198,6 +198,7 @@
+ #define CPTR_EL2_DEFAULT CPTR_EL2_RES1
+
+ /* Hyp Debug Configuration Register bits */
++#define MDCR_EL2_TTRF (1 << 19)
+ #define MDCR_EL2_TPMS (1 << 14)
+ #define MDCR_EL2_E2PB_MASK (UL(0x3))
+ #define MDCR_EL2_E2PB_SHIFT (UL(12))
+diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
+index 1719d21a171a9..122d5e843ab6d 100644
+--- a/arch/arm64/kernel/cpufeature.c
++++ b/arch/arm64/kernel/cpufeature.c
+@@ -258,7 +258,6 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
+ * of support.
+ */
+ S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
+- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
+ ARM64_FTR_END,
+ };
+diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
+index 4e722d73a3c34..3606f6b890942 100644
+--- a/arch/arm64/kvm/debug.c
++++ b/arch/arm64/kvm/debug.c
+@@ -100,6 +100,7 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
+ * - Debug ROM Address (MDCR_EL2_TDRA)
+ * - OS related registers (MDCR_EL2_TDOSA)
+ * - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
++ * - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
+ *
+ * Additionally, KVM only traps guest accesses to the debug registers if
+ * the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
+@@ -123,6 +124,7 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
+ vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
+ vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
+ MDCR_EL2_TPMS |
++ MDCR_EL2_TTRF |
+ MDCR_EL2_TPMCR |
+ MDCR_EL2_TDRA |
+ MDCR_EL2_TDOSA);
+diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
+index a03821b2656aa..d9de22686e27d 100644
+--- a/arch/riscv/kernel/entry.S
++++ b/arch/riscv/kernel/entry.S
+@@ -449,6 +449,7 @@ ENDPROC(__fstate_restore)
+
+
+ .section ".rodata"
++ .align LGREG
+ /* Exception vector table */
+ ENTRY(excp_vect_table)
+ RISCV_PTR do_trap_insn_misaligned
+diff --git a/block/bio.c b/block/bio.c
+index 3d757055305f9..fe749404ef93b 100644
+--- a/block/bio.c
++++ b/block/bio.c
+@@ -314,7 +314,7 @@ static struct bio *__bio_chain_endio(struct bio *bio)
+ {
+ struct bio *parent = bio->bi_private;
+
+- if (!parent->bi_status)
++ if (bio->bi_status && !parent->bi_status)
+ parent->bi_status = bio->bi_status;
+ bio_put(bio);
+ return parent;
+diff --git a/drivers/base/dd.c b/drivers/base/dd.c
+index 4ba9231a6be80..26ba7a99b7d5b 100644
+--- a/drivers/base/dd.c
++++ b/drivers/base/dd.c
+@@ -254,14 +254,16 @@ int driver_deferred_probe_check_state(struct device *dev)
+
+ static void deferred_probe_timeout_work_func(struct work_struct *work)
+ {
+- struct device_private *private, *p;
++ struct device_private *p;
+
+ deferred_probe_timeout = 0;
+ driver_deferred_probe_trigger();
+ flush_work(&deferred_probe_work);
+
+- list_for_each_entry_safe(private, p, &deferred_probe_pending_list, deferred_probe)
+- dev_info(private->device, "deferred probe pending");
++ mutex_lock(&deferred_probe_mutex);
++ list_for_each_entry(p, &deferred_probe_pending_list, deferred_probe)
++ dev_info(p->device, "deferred probe pending\n");
++ mutex_unlock(&deferred_probe_mutex);
+ }
+ static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func);
+
+diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
+index 221a8cbc57f90..a4dba034dca48 100644
+--- a/drivers/gpu/drm/imx/imx-ldb.c
++++ b/drivers/gpu/drm/imx/imx-ldb.c
+@@ -206,6 +206,11 @@ static void imx_ldb_encoder_enable(struct drm_encoder *encoder)
+ int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
+ int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
+
++ if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
++ dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
++ return;
++ }
++
+ drm_panel_prepare(imx_ldb_ch->panel);
+
+ if (dual) {
+@@ -264,6 +269,11 @@ imx_ldb_encoder_atomic_mode_set(struct drm_encoder *encoder,
+ int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
+ u32 bus_format = imx_ldb_ch->bus_format;
+
++ if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
++ dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
++ return;
++ }
++
+ if (mode->clock > 170000) {
+ dev_warn(ldb->dev,
+ "%s: mode exceeds 170 MHz pixel clock\n", __func__);
+diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
+index 965088afcfade..03adb4cf325b9 100644
+--- a/drivers/gpu/drm/tegra/dc.c
++++ b/drivers/gpu/drm/tegra/dc.c
+@@ -1670,6 +1670,11 @@ static void tegra_dc_commit_state(struct tegra_dc *dc,
+ dev_err(dc->dev,
+ "failed to set clock rate to %lu Hz\n",
+ state->pclk);
++
++ err = clk_set_rate(dc->clk, state->pclk);
++ if (err < 0)
++ dev_err(dc->dev, "failed to set clock %pC to %lu Hz: %d\n",
++ dc->clk, state->pclk, err);
+ }
+
+ DRM_DEBUG_KMS("rate: %lu, div: %u\n", clk_get_rate(dc->clk),
+@@ -1680,11 +1685,6 @@ static void tegra_dc_commit_state(struct tegra_dc *dc,
+ value = SHIFT_CLK_DIVIDER(state->div) | PIXEL_CLK_DIVIDER_PCD1;
+ tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
+ }
+-
+- err = clk_set_rate(dc->clk, state->pclk);
+- if (err < 0)
+- dev_err(dc->dev, "failed to set clock %pC to %lu Hz: %d\n",
+- dc->clk, state->pclk, err);
+ }
+
+ static void tegra_dc_stop(struct tegra_dc *dc)
+diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
+index e10e7b54ec4b6..7e5892597533e 100644
+--- a/drivers/net/phy/bcm-phy-lib.c
++++ b/drivers/net/phy/bcm-phy-lib.c
+@@ -198,7 +198,7 @@ EXPORT_SYMBOL_GPL(bcm_phy_enable_apd);
+
+ int bcm_phy_set_eee(struct phy_device *phydev, bool enable)
+ {
+- int val;
++ int val, mask = 0;
+
+ /* Enable EEE at PHY level */
+ val = phy_read_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL);
+@@ -217,10 +217,15 @@ int bcm_phy_set_eee(struct phy_device *phydev, bool enable)
+ if (val < 0)
+ return val;
+
++ if (phydev->supported & SUPPORTED_1000baseT_Full)
++ mask |= MDIO_EEE_1000T;
++ if (phydev->supported & SUPPORTED_100baseT_Full)
++ mask |= MDIO_EEE_100TX;
++
+ if (enable)
+- val |= (MDIO_EEE_100TX | MDIO_EEE_1000T);
++ val |= mask;
+ else
+- val &= ~(MDIO_EEE_100TX | MDIO_EEE_1000T);
++ val &= ~mask;
+
+ phy_write_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV, (u32)val);
+
+diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
+index 1abf76be2aa8c..58e8140c1f57a 100644
+--- a/drivers/staging/Kconfig
++++ b/drivers/staging/Kconfig
+@@ -114,8 +114,6 @@ source "drivers/staging/mt7621-spi/Kconfig"
+
+ source "drivers/staging/mt7621-dma/Kconfig"
+
+-source "drivers/staging/mt7621-mmc/Kconfig"
+-
+ source "drivers/staging/mt7621-eth/Kconfig"
+
+ source "drivers/staging/mt7621-dts/Kconfig"
+diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
+index ab0cbe8815b1c..6f3065569fa00 100644
+--- a/drivers/staging/Makefile
++++ b/drivers/staging/Makefile
+@@ -47,7 +47,6 @@ obj-$(CONFIG_SOC_MT7621) += mt7621-pci/
+ obj-$(CONFIG_SOC_MT7621) += mt7621-pinctrl/
+ obj-$(CONFIG_SOC_MT7621) += mt7621-spi/
+ obj-$(CONFIG_SOC_MT7621) += mt7621-dma/
+-obj-$(CONFIG_SOC_MT7621) += mt7621-mmc/
+ obj-$(CONFIG_SOC_MT7621) += mt7621-eth/
+ obj-$(CONFIG_SOC_MT7621) += mt7621-dts/
+ obj-$(CONFIG_STAGING_GASKET_FRAMEWORK) += gasket/
+diff --git a/drivers/staging/mt7621-mmc/Kconfig b/drivers/staging/mt7621-mmc/Kconfig
+deleted file mode 100644
+index c6dfe8c637dc3..0000000000000
+--- a/drivers/staging/mt7621-mmc/Kconfig
++++ /dev/null
+@@ -1,16 +0,0 @@
+-config MTK_MMC
+- tristate "MTK SD/MMC"
+- depends on !MTD_NAND_RALINK && MMC
+-
+-config MTK_AEE_KDUMP
+- bool "MTK AEE KDUMP"
+- depends on MTK_MMC
+-
+-config MTK_MMC_CD_POLL
+- bool "Card Detect with Polling"
+- depends on MTK_MMC
+-
+-config MTK_MMC_EMMC_8BIT
+- bool "eMMC 8-bit support"
+- depends on MTK_MMC && RALINK_MT7628
+-
+diff --git a/drivers/staging/mt7621-mmc/Makefile b/drivers/staging/mt7621-mmc/Makefile
+deleted file mode 100644
+index caead0b547035..0000000000000
+--- a/drivers/staging/mt7621-mmc/Makefile
++++ /dev/null
+@@ -1,42 +0,0 @@
+-# Copyright Statement:
+-#
+-# This software/firmware and related documentation ("MediaTek Software") are
+-# protected under relevant copyright laws. The information contained herein
+-# is confidential and proprietary to MediaTek Inc. and/or its licensors.
+-# Without the prior written permission of MediaTek inc. and/or its licensors,
+-# any reproduction, modification, use or disclosure of MediaTek Software,
+-# and information contained herein, in whole or in part, shall be strictly prohibited.
+-#
+-# MediaTek Inc. (C) 2010. All rights reserved.
+-#
+-# BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+-# THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+-# RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+-# AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+-# NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+-# SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+-# SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+-# THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+-# THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+-# CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+-# SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+-# STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+-# CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+-# AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+-# OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+-# MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+-#
+-# The following software/firmware and/or related documentation ("MediaTek Software")
+-# have been modified by MediaTek Inc. All revisions are subject to any receiver's
+-# applicable license agreements with MediaTek Inc.
+-
+-obj-$(CONFIG_MTK_MMC) += mtk_sd.o
+-mtk_sd-objs := sd.o dbg.o
+-ifeq ($(CONFIG_MTK_AEE_KDUMP),y)
+-EXTRA_CFLAGS += -DMT6575_SD_DEBUG
+-endif
+-
+-clean:
+- @rm -f *.o modules.order .*.cmd
+diff --git a/drivers/staging/mt7621-mmc/TODO b/drivers/staging/mt7621-mmc/TODO
+deleted file mode 100644
+index febb32d37e07b..0000000000000
+--- a/drivers/staging/mt7621-mmc/TODO
++++ /dev/null
+@@ -1,8 +0,0 @@
+-
+-- general code review and clean up
+-- ensure device-tree requirements are documented
+-- should probably be merged with drivers/mmc/host/mtk-sd.c
+-- possibly fix to work with highmem pages so a bounce buffer isn't
+- needed.
+-
+-Cc: NeilBrown <neil@brown.name>
+diff --git a/drivers/staging/mt7621-mmc/board.h b/drivers/staging/mt7621-mmc/board.h
+deleted file mode 100644
+index 983791ee308dd..0000000000000
+--- a/drivers/staging/mt7621-mmc/board.h
++++ /dev/null
+@@ -1,63 +0,0 @@
+-/* Copyright Statement:
+- *
+- * This software/firmware and related documentation ("MediaTek Software") are
+- * protected under relevant copyright laws. The information contained herein
+- * is confidential and proprietary to MediaTek Inc. and/or its licensors.
+- * Without the prior written permission of MediaTek inc. and/or its licensors,
+- * any reproduction, modification, use or disclosure of MediaTek Software,
+- * and information contained herein, in whole or in part, shall be strictly prohibited.
+- */
+-/* MediaTek Inc. (C) 2010. All rights reserved.
+- *
+- * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+- * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+- * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+- * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+- * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+- * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+- * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+- * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+- * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+- * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+- * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+- * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+- * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+- * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+- * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+- * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+- *
+- * The following software/firmware and/or related documentation ("MediaTek Software")
+- * have been modified by MediaTek Inc. All revisions are subject to any receiver's
+- * applicable license agreements with MediaTek Inc.
+- */
+-
+-#ifndef __ARCH_ARM_MACH_BOARD_H
+-#define __ARCH_ARM_MACH_BOARD_H
+-
+-#define MSDC_CD_PIN_EN BIT(0) /* card detection pin is wired */
+-#define MSDC_WP_PIN_EN BIT(1) /* write protection pin is wired */
+-#define MSDC_RST_PIN_EN BIT(2) /* emmc reset pin is wired */
+-#define MSDC_REMOVABLE BIT(5) /* removable slot */
+-
+-#define MSDC_SMPL_RISING (0)
+-#define MSDC_SMPL_FALLING (1)
+-
+-#define MSDC_CMD_PIN (0)
+-#define MSDC_DAT_PIN (1)
+-#define MSDC_CD_PIN (2)
+-#define MSDC_WP_PIN (3)
+-#define MSDC_RST_PIN (4)
+-
+-struct msdc_hw {
+- unsigned char clk_src; /* host clock source */
+- unsigned long flags; /* hardware capability flags */
+-
+- /* config gpio pull mode */
+- void (*config_gpio_pin)(int type, int pull);
+-};
+-
+-extern struct msdc_hw msdc0_hw;
+-
+-#endif /* __ARCH_ARM_MACH_BOARD_H */
+diff --git a/drivers/staging/mt7621-mmc/dbg.c b/drivers/staging/mt7621-mmc/dbg.c
+deleted file mode 100644
+index 6e518dce9029a..0000000000000
+--- a/drivers/staging/mt7621-mmc/dbg.c
++++ /dev/null
+@@ -1,307 +0,0 @@
+-/* Copyright Statement:
+- *
+- * This software/firmware and related documentation ("MediaTek Software") are
+- * protected under relevant copyright laws. The information contained herein
+- * is confidential and proprietary to MediaTek Inc. and/or its licensors.
+- * Without the prior written permission of MediaTek inc. and/or its licensors,
+- * any reproduction, modification, use or disclosure of MediaTek Software,
+- * and information contained herein, in whole or in part, shall be strictly prohibited.
+- *
+- * MediaTek Inc. (C) 2010. All rights reserved.
+- *
+- * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+- * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+- * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+- * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+- * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+- * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+- * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+- * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+- * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+- * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+- * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+- * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+- * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+- * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+- * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+- * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+- *
+- * The following software/firmware and/or related documentation ("MediaTek Software")
+- * have been modified by MediaTek Inc. All revisions are subject to any receiver's
+- * applicable license agreements with MediaTek Inc.
+- */
+-
+-#include <linux/version.h>
+-#include <linux/kernel.h>
+-#include <linux/sched.h>
+-#include <linux/kthread.h>
+-#include <linux/delay.h>
+-#include <linux/module.h>
+-#include <linux/init.h>
+-#include <linux/proc_fs.h>
+-#include <linux/string.h>
+-#include <linux/uaccess.h>
+-// #include <mach/mt6575_gpt.h> /* --- by chhung */
+-#include "dbg.h"
+-#include "mt6575_sd.h"
+-#include <linux/seq_file.h>
+-
+-static char cmd_buf[256];
+-
+-/* for debug zone */
+-unsigned int sd_debug_zone[4] = {
+- 0,
+- 0,
+- 0,
+- 0
+-};
+-
+-#if defined(MT6575_SD_DEBUG)
+-/* for driver profile */
+-#define TICKS_ONE_MS (13000)
+-u32 gpt_enable;
+-u32 sdio_pro_enable; /* make sure gpt is enabled */
+-u32 sdio_pro_time; /* no more than 30s */
+-struct sdio_profile sdio_perfomance = {0};
+-
+-#if 0 /* --- chhung */
+-void msdc_init_gpt(void)
+-{
+- GPT_CONFIG config;
+-
+- config.num = GPT6;
+- config.mode = GPT_FREE_RUN;
+- config.clkSrc = GPT_CLK_SRC_SYS;
+- config.clkDiv = GPT_CLK_DIV_1; /* 13MHz GPT6 */
+-
+- if (GPT_Config(config) == FALSE)
+- return;
+-
+- GPT_Start(GPT6);
+-}
+-#endif /* end of --- */
+-
+-u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32)
+-{
+- u32 ret = 0;
+-
+- if (new_H32 == old_H32) {
+- ret = new_L32 - old_L32;
+- } else if (new_H32 == (old_H32 + 1)) {
+- if (new_L32 > old_L32)
+- pr_debug("msdc old_L<0x%x> new_L<0x%x>\n", old_L32, new_L32);
+- ret = (0xffffffff - old_L32);
+- ret += new_L32;
+- } else {
+- pr_debug("msdc old_H<0x%x> new_H<0x%x>\n", old_H32, new_H32);
+- }
+-
+- return ret;
+-}
+-
+-void msdc_sdio_profile(struct sdio_profile *result)
+-{
+- struct cmd_profile *cmd;
+- u32 i;
+-
+- pr_debug("sdio === performance dump ===\n");
+- pr_debug("sdio === total execute tick<%d> time<%dms> Tx<%dB> Rx<%dB>\n",
+- result->total_tc, result->total_tc / TICKS_ONE_MS,
+- result->total_tx_bytes, result->total_rx_bytes);
+-
+- /* CMD52 Dump */
+- cmd = &result->cmd52_rx;
+- pr_debug("sdio === CMD52 Rx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count);
+- cmd = &result->cmd52_tx;
+- pr_debug("sdio === CMD52 Tx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count);
+-
+- /* CMD53 Rx bytes + block mode */
+- for (i = 0; i < 512; i++) {
+- cmd = &result->cmd53_rx_byte[i];
+- if (cmd->count) {
+- pr_debug("sdio<%6d><%3dB>_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count,
+- cmd->tot_bytes, (cmd->tot_bytes / 10) * 13 / (cmd->tot_tc / 10));
+- }
+- }
+- for (i = 0; i < 100; i++) {
+- cmd = &result->cmd53_rx_blk[i];
+- if (cmd->count) {
+- pr_debug("sdio<%6d><%3d>B_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count,
+- cmd->tot_bytes, (cmd->tot_bytes / 10) * 13 / (cmd->tot_tc / 10));
+- }
+- }
+-
+- /* CMD53 Tx bytes + block mode */
+- for (i = 0; i < 512; i++) {
+- cmd = &result->cmd53_tx_byte[i];
+- if (cmd->count) {
+- pr_debug("sdio<%6d><%3dB>_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count,
+- cmd->tot_bytes, (cmd->tot_bytes / 10) * 13 / (cmd->tot_tc / 10));
+- }
+- }
+- for (i = 0; i < 100; i++) {
+- cmd = &result->cmd53_tx_blk[i];
+- if (cmd->count) {
+- pr_debug("sdio<%6d><%3d>B_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc,
+- cmd->max_tc, cmd->min_tc, cmd->tot_tc / cmd->count,
+- cmd->tot_bytes, (cmd->tot_bytes / 10) * 13 / (cmd->tot_tc / 10));
+- }
+- }
+-
+- pr_debug("sdio === performance dump done ===\n");
+-}
+-
+-//========= sdio command table ===========
+-void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks)
+-{
+- struct sdio_profile *result = &sdio_perfomance;
+- struct cmd_profile *cmd;
+- u32 block;
+-
+- if (sdio_pro_enable == 0)
+- return;
+-
+- if (opcode == 52) {
+- cmd = bRx ? &result->cmd52_rx : &result->cmd52_tx;
+- } else if (opcode == 53) {
+- if (sizes < 512) {
+- cmd = bRx ? &result->cmd53_rx_byte[sizes] : &result->cmd53_tx_byte[sizes];
+- } else {
+- block = sizes / 512;
+- if (block >= 99) {
+- pr_err("cmd53 error blocks\n");
+- while (1)
+- ;
+- }
+- cmd = bRx ? &result->cmd53_rx_blk[block] : &result->cmd53_tx_blk[block];
+- }
+- } else {
+- return;
+- }
+-
+- /* update the members */
+- if (ticks > cmd->max_tc)
+- cmd->max_tc = ticks;
+- if (cmd->min_tc == 0 || ticks < cmd->min_tc)
+- cmd->min_tc = ticks;
+- cmd->tot_tc += ticks;
+- cmd->tot_bytes += sizes;
+- cmd->count++;
+-
+- if (bRx)
+- result->total_rx_bytes += sizes;
+- else
+- result->total_tx_bytes += sizes;
+- result->total_tc += ticks;
+-
+- /* dump when total_tc > 30s */
+- if (result->total_tc >= sdio_pro_time * TICKS_ONE_MS * 1000) {
+- msdc_sdio_profile(result);
+- memset(result, 0, sizeof(struct sdio_profile));
+- }
+-}
+-
+-//========== driver proc interface ===========
+-static int msdc_debug_proc_read(struct seq_file *s, void *p)
+-{
+- seq_puts(s, "\n=========================================\n");
+- seq_puts(s, "Index<0> + Id + Zone\n");
+- seq_puts(s, "-> PWR<9> WRN<8> | FIO<7> OPS<6> FUN<5> CFG<4> | INT<3> RSP<2> CMD<1> DMA<0>\n");
+- seq_puts(s, "-> echo 0 3 0x3ff >msdc_bebug -> host[3] debug zone set to 0x3ff\n");
+- seq_printf(s, "-> MSDC[0] Zone: 0x%.8x\n", sd_debug_zone[0]);
+- seq_printf(s, "-> MSDC[1] Zone: 0x%.8x\n", sd_debug_zone[1]);
+- seq_printf(s, "-> MSDC[2] Zone: 0x%.8x\n", sd_debug_zone[2]);
+- seq_printf(s, "-> MSDC[3] Zone: 0x%.8x\n", sd_debug_zone[3]);
+-
+- seq_puts(s, "Index<3> + SDIO_PROFILE + TIME\n");
+- seq_puts(s, "-> echo 3 1 0x1E >msdc_bebug -> enable sdio_profile, 30s\n");
+- seq_printf(s, "-> SDIO_PROFILE<%d> TIME<%ds>\n", sdio_pro_enable, sdio_pro_time);
+- seq_puts(s, "=========================================\n\n");
+-
+- return 0;
+-}
+-
+-static ssize_t msdc_debug_proc_write(struct file *file,
+- const char __user *buf,
+- size_t count, loff_t *data)
+-{
+- int ret;
+-
+- int cmd, p1, p2;
+- int id, zone;
+- int mode, size;
+-
+- if (count == 0)
+- return -1;
+- if (count > 255)
+- count = 255;
+-
+- if (copy_from_user(cmd_buf, buf, count))
+- return -EFAULT;
+-
+- cmd_buf[count] = '\0';
+- pr_debug("msdc Write %s\n", cmd_buf);
+-
+- sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2);
+-
+- if (cmd == SD_TOOL_ZONE) {
+- id = p1;
+- zone = p2;
+- zone &= 0x3ff;
+- pr_debug("msdc host_id<%d> zone<0x%.8x>\n", id, zone);
+- if (id >= 0 && id <= 3) {
+- sd_debug_zone[id] = zone;
+- } else if (id == 4) {
+- sd_debug_zone[0] = sd_debug_zone[1] = zone;
+- sd_debug_zone[2] = sd_debug_zone[3] = zone;
+- } else {
+- pr_err("msdc host_id error when set debug zone\n");
+- }
+- } else if (cmd == SD_TOOL_SDIO_PROFILE) {
+- if (p1 == 1) { /* enable profile */
+- if (gpt_enable == 0) {
+- // msdc_init_gpt(); /* --- by chhung */
+- gpt_enable = 1;
+- }
+- sdio_pro_enable = 1;
+- if (p2 == 0)
+- p2 = 1;
+- if (p2 >= 30)
+- p2 = 30;
+- sdio_pro_time = p2;
+- } else if (p1 == 0) {
+- /* todo */
+- sdio_pro_enable = 0;
+- }
+- }
+-
+- return count;
+-}
+-
+-static int msdc_debug_show(struct inode *inode, struct file *file)
+-{
+- return single_open(file, msdc_debug_proc_read, NULL);
+-}
+-
+-static const struct file_operations msdc_debug_fops = {
+- .owner = THIS_MODULE,
+- .open = msdc_debug_show,
+- .read = seq_read,
+- .write = msdc_debug_proc_write,
+- .llseek = seq_lseek,
+- .release = single_release,
+-};
+-
+-void msdc_debug_proc_init(void)
+-{
+- proc_create("msdc_debug", 0660, NULL, &msdc_debug_fops);
+-}
+-EXPORT_SYMBOL_GPL(msdc_debug_proc_init);
+-#endif
+diff --git a/drivers/staging/mt7621-mmc/dbg.h b/drivers/staging/mt7621-mmc/dbg.h
+deleted file mode 100644
+index 2f2c56b739874..0000000000000
+--- a/drivers/staging/mt7621-mmc/dbg.h
++++ /dev/null
+@@ -1,149 +0,0 @@
+-/* Copyright Statement:
+- *
+- * This software/firmware and related documentation ("MediaTek Software") are
+- * protected under relevant copyright laws. The information contained herein
+- * is confidential and proprietary to MediaTek Inc. and/or its licensors.
+- * Without the prior written permission of MediaTek inc. and/or its licensors,
+- * any reproduction, modification, use or disclosure of MediaTek Software,
+- * and information contained herein, in whole or in part, shall be strictly prohibited.
+- *
+- * MediaTek Inc. (C) 2010. All rights reserved.
+- *
+- * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+- * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+- * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+- * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+- * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+- * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+- * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+- * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+- * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+- * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+- * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+- * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+- * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+- * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+- * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+- * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+- *
+- * The following software/firmware and/or related documentation ("MediaTek Software")
+- * have been modified by MediaTek Inc. All revisions are subject to any receiver's
+- * applicable license agreements with MediaTek Inc.
+- */
+-#ifndef __MT_MSDC_DEUBG__
+-#define __MT_MSDC_DEUBG__
+-
+-//==========================
+-extern u32 sdio_pro_enable;
+-/* for a type command, e.g. CMD53, 2 blocks */
+-struct cmd_profile {
+- u32 max_tc; /* Max tick count */
+- u32 min_tc;
+- u32 tot_tc; /* total tick count */
+- u32 tot_bytes;
+- u32 count; /* the counts of the command */
+-};
+-
+-/* dump when total_tc and total_bytes */
+-struct sdio_profile {
+- u32 total_tc; /* total tick count of CMD52 and CMD53 */
+- u32 total_tx_bytes; /* total bytes of CMD53 Tx */
+- u32 total_rx_bytes; /* total bytes of CMD53 Rx */
+-
+- /*CMD52*/
+- struct cmd_profile cmd52_tx;
+- struct cmd_profile cmd52_rx;
+-
+- /*CMD53 in byte unit */
+- struct cmd_profile cmd53_tx_byte[512];
+- struct cmd_profile cmd53_rx_byte[512];
+-
+- /*CMD53 in block unit */
+- struct cmd_profile cmd53_tx_blk[100];
+- struct cmd_profile cmd53_rx_blk[100];
+-};
+-
+-//==========================
+-enum msdc_dbg {
+- SD_TOOL_ZONE = 0,
+- SD_TOOL_DMA_SIZE = 1,
+- SD_TOOL_PM_ENABLE = 2,
+- SD_TOOL_SDIO_PROFILE = 3,
+-};
+-
+-/* Debug message event */
+-#define DBG_EVT_NONE (0) /* No event */
+-#define DBG_EVT_DMA (1 << 0) /* DMA related event */
+-#define DBG_EVT_CMD (1 << 1) /* MSDC CMD related event */
+-#define DBG_EVT_RSP (1 << 2) /* MSDC CMD RSP related event */
+-#define DBG_EVT_INT (1 << 3) /* MSDC INT event */
+-#define DBG_EVT_CFG (1 << 4) /* MSDC CFG event */
+-#define DBG_EVT_FUC (1 << 5) /* Function event */
+-#define DBG_EVT_OPS (1 << 6) /* Read/Write operation event */
+-#define DBG_EVT_FIO (1 << 7) /* FIFO operation event */
+-#define DBG_EVT_WRN (1 << 8) /* Warning event */
+-#define DBG_EVT_PWR (1 << 9) /* Power event */
+-#define DBG_EVT_ALL (0xffffffff)
+-
+-#define DBG_EVT_MASK (DBG_EVT_ALL)
+-
+-extern unsigned int sd_debug_zone[4];
+-#define TAG "msdc"
+-#if 0 /* +++ chhung */
+-#define BUG_ON(x) \
+-do { \
+- if (x) { \
+- printk("[BUG] %s LINE:%d FILE:%s\n", #x, __LINE__, __FILE__); \
+- while (1) \
+- ; \
+- } \
+-} while (0)
+-#endif /* end of +++ */
+-
+-#define N_MSG(evt, fmt, args...)
+-/*
+-do { \
+- if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
+- printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
+- host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \
+- } \
+-} while(0)
+-*/
+-
+-#define ERR_MSG(fmt, args...) \
+-do { \
+- printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
+- host->id, ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
+-} while (0);
+-
+-#if 1
+-//defined CONFIG_MTK_MMC_CD_POLL
+-#define INIT_MSG(fmt, args...)
+-#define IRQ_MSG(fmt, args...)
+-#else
+-#define INIT_MSG(fmt, args...) \
+-do { \
+- printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
+- host->id, ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
+-} while (0);
+-
+-/* PID in ISR in not corrent */
+-#define IRQ_MSG(fmt, args...) \
+-do { \
+- printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d>\n", \
+- host->id, ##args, __FUNCTION__, __LINE__); \
+-} while (0);
+-#endif
+-
+-void msdc_debug_proc_init(void);
+-
+-#if 0 /* --- chhung */
+-void msdc_init_gpt(void);
+-extern void GPT_GetCounter64(UINT32 *cntL32, UINT32 *cntH32);
+-#endif /* end of --- */
+-u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32);
+-void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks);
+-
+-#endif
+diff --git a/drivers/staging/mt7621-mmc/mt6575_sd.h b/drivers/staging/mt7621-mmc/mt6575_sd.h
+deleted file mode 100644
+index 4e287c140acb4..0000000000000
+--- a/drivers/staging/mt7621-mmc/mt6575_sd.h
++++ /dev/null
+@@ -1,488 +0,0 @@
+-/* Copyright Statement:
+- *
+- * This software/firmware and related documentation ("MediaTek Software") are
+- * protected under relevant copyright laws. The information contained herein
+- * is confidential and proprietary to MediaTek Inc. and/or its licensors.
+- * Without the prior written permission of MediaTek inc. and/or its licensors,
+- * any reproduction, modification, use or disclosure of MediaTek Software,
+- * and information contained herein, in whole or in part, shall be strictly prohibited.
+- */
+-/* MediaTek Inc. (C) 2010. All rights reserved.
+- *
+- * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+- * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+- * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+- * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+- * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+- * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+- * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+- * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+- * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+- * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+- * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+- * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+- * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+- * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+- * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+- * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+- *
+- * The following software/firmware and/or related documentation ("MediaTek Software")
+- * have been modified by MediaTek Inc. All revisions are subject to any receiver's
+- * applicable license agreements with MediaTek Inc.
+- */
+-
+-#ifndef MT6575_SD_H
+-#define MT6575_SD_H
+-
+-#include <linux/bitops.h>
+-#include <linux/mmc/host.h>
+-
+-// #include <mach/mt6575_reg_base.h> /* --- by chhung */
+-
+-/*--------------------------------------------------------------------------*/
+-/* Common Definition */
+-/*--------------------------------------------------------------------------*/
+-#define MSDC_FIFO_SZ (128)
+-#define MSDC_FIFO_THD (64) // (128)
+-#define MSDC_NUM (4)
+-
+-#define MSDC_MS (0)
+-#define MSDC_SDMMC (1)
+-
+-#define MSDC_BUS_1BITS (0)
+-#define MSDC_BUS_4BITS (1)
+-#define MSDC_BUS_8BITS (2)
+-
+-#define MSDC_BRUST_8B (3)
+-#define MSDC_BRUST_16B (4)
+-#define MSDC_BRUST_32B (5)
+-#define MSDC_BRUST_64B (6)
+-
+-#define MSDC_PIN_PULL_NONE (0)
+-#define MSDC_PIN_PULL_DOWN (1)
+-#define MSDC_PIN_PULL_UP (2)
+-#define MSDC_PIN_KEEP (3)
+-
+-#define MSDC_MAX_SCLK (48000000) /* +/- by chhung */
+-#define MSDC_MIN_SCLK (260000)
+-
+-#define MSDC_AUTOCMD12 (0x0001)
+-#define MSDC_AUTOCMD23 (0x0002)
+-#define MSDC_AUTOCMD19 (0x0003)
+-
+-#define MSDC_EMMC_BOOTMODE0 (0) /* Pull low CMD mode */
+-#define MSDC_EMMC_BOOTMODE1 (1) /* Reset CMD mode */
+-
+-enum {
+- RESP_NONE = 0,
+- RESP_R1,
+- RESP_R2,
+- RESP_R3,
+- RESP_R4,
+- RESP_R5,
+- RESP_R6,
+- RESP_R7,
+- RESP_R1B
+-};
+-
+-/*--------------------------------------------------------------------------*/
+-/* Register Offset */
+-/*--------------------------------------------------------------------------*/
+-#define MSDC_CFG (0x0)
+-#define MSDC_IOCON (0x04)
+-#define MSDC_PS (0x08)
+-#define MSDC_INT (0x0c)
+-#define MSDC_INTEN (0x10)
+-#define MSDC_FIFOCS (0x14)
+-#define MSDC_TXDATA (0x18)
+-#define MSDC_RXDATA (0x1c)
+-#define SDC_CFG (0x30)
+-#define SDC_CMD (0x34)
+-#define SDC_ARG (0x38)
+-#define SDC_STS (0x3c)
+-#define SDC_RESP0 (0x40)
+-#define SDC_RESP1 (0x44)
+-#define SDC_RESP2 (0x48)
+-#define SDC_RESP3 (0x4c)
+-#define SDC_BLK_NUM (0x50)
+-#define SDC_CSTS (0x58)
+-#define SDC_CSTS_EN (0x5c)
+-#define SDC_DCRC_STS (0x60)
+-#define EMMC_CFG0 (0x70)
+-#define EMMC_CFG1 (0x74)
+-#define EMMC_STS (0x78)
+-#define EMMC_IOCON (0x7c)
+-#define SDC_ACMD_RESP (0x80)
+-#define SDC_ACMD19_TRG (0x84)
+-#define SDC_ACMD19_STS (0x88)
+-#define MSDC_DMA_SA (0x90)
+-#define MSDC_DMA_CA (0x94)
+-#define MSDC_DMA_CTRL (0x98)
+-#define MSDC_DMA_CFG (0x9c)
+-#define MSDC_DBG_SEL (0xa0)
+-#define MSDC_DBG_OUT (0xa4)
+-#define MSDC_PATCH_BIT (0xb0)
+-#define MSDC_PATCH_BIT0 MSDC_PATCH_BIT
+-#define MSDC_PATCH_BIT1 (0xb4)
+-#define MSDC_PAD_CTL0 (0xe0)
+-#define MSDC_PAD_CTL1 (0xe4)
+-#define MSDC_PAD_CTL2 (0xe8)
+-#define MSDC_PAD_TUNE (0xec)
+-#define MSDC_DAT_RDDLY0 (0xf0)
+-#define MSDC_DAT_RDDLY1 (0xf4)
+-#define MSDC_HW_DBG (0xf8)
+-#define MSDC_VERSION (0x100)
+-#define MSDC_ECO_VER (0x104)
+-
+-/*--------------------------------------------------------------------------*/
+-/* Register Mask */
+-/*--------------------------------------------------------------------------*/
+-
+-/* MSDC_CFG mask */
+-#define MSDC_CFG_MODE (0x1 << 0) /* RW */
+-#define MSDC_CFG_CKPDN (0x1 << 1) /* RW */
+-#define MSDC_CFG_RST (0x1 << 2) /* RW */
+-#define MSDC_CFG_PIO (0x1 << 3) /* RW */
+-#define MSDC_CFG_CKDRVEN (0x1 << 4) /* RW */
+-#define MSDC_CFG_BV18SDT (0x1 << 5) /* RW */
+-#define MSDC_CFG_BV18PSS (0x1 << 6) /* R */
+-#define MSDC_CFG_CKSTB (0x1 << 7) /* R */
+-#define MSDC_CFG_CKDIV (0xff << 8) /* RW */
+-#define MSDC_CFG_CKMOD (0x3 << 16) /* RW */
+-
+-/* MSDC_IOCON mask */
+-#define MSDC_IOCON_SDR104CKS (0x1 << 0) /* RW */
+-#define MSDC_IOCON_RSPL (0x1 << 1) /* RW */
+-#define MSDC_IOCON_DSPL (0x1 << 2) /* RW */
+-#define MSDC_IOCON_DDLSEL (0x1 << 3) /* RW */
+-#define MSDC_IOCON_DDR50CKD (0x1 << 4) /* RW */
+-#define MSDC_IOCON_DSPLSEL (0x1 << 5) /* RW */
+-#define MSDC_IOCON_D0SPL (0x1 << 16) /* RW */
+-#define MSDC_IOCON_D1SPL (0x1 << 17) /* RW */
+-#define MSDC_IOCON_D2SPL (0x1 << 18) /* RW */
+-#define MSDC_IOCON_D3SPL (0x1 << 19) /* RW */
+-#define MSDC_IOCON_D4SPL (0x1 << 20) /* RW */
+-#define MSDC_IOCON_D5SPL (0x1 << 21) /* RW */
+-#define MSDC_IOCON_D6SPL (0x1 << 22) /* RW */
+-#define MSDC_IOCON_D7SPL (0x1 << 23) /* RW */
+-#define MSDC_IOCON_RISCSZ (0x3 << 24) /* RW */
+-
+-/* MSDC_PS mask */
+-#define MSDC_PS_CDEN (0x1 << 0) /* RW */
+-#define MSDC_PS_CDSTS (0x1 << 1) /* R */
+-#define MSDC_PS_CDDEBOUNCE (0xf << 12) /* RW */
+-#define MSDC_PS_DAT (0xff << 16) /* R */
+-#define MSDC_PS_CMD (0x1 << 24) /* R */
+-#define MSDC_PS_WP (0x1UL << 31) /* R */
+-
+-/* MSDC_INT mask */
+-#define MSDC_INT_MMCIRQ (0x1 << 0) /* W1C */
+-#define MSDC_INT_CDSC (0x1 << 1) /* W1C */
+-#define MSDC_INT_ACMDRDY (0x1 << 3) /* W1C */
+-#define MSDC_INT_ACMDTMO (0x1 << 4) /* W1C */
+-#define MSDC_INT_ACMDCRCERR (0x1 << 5) /* W1C */
+-#define MSDC_INT_DMAQ_EMPTY (0x1 << 6) /* W1C */
+-#define MSDC_INT_SDIOIRQ (0x1 << 7) /* W1C */
+-#define MSDC_INT_CMDRDY (0x1 << 8) /* W1C */
+-#define MSDC_INT_CMDTMO (0x1 << 9) /* W1C */
+-#define MSDC_INT_RSPCRCERR (0x1 << 10) /* W1C */
+-#define MSDC_INT_CSTA (0x1 << 11) /* R */
+-#define MSDC_INT_XFER_COMPL (0x1 << 12) /* W1C */
+-#define MSDC_INT_DXFER_DONE (0x1 << 13) /* W1C */
+-#define MSDC_INT_DATTMO (0x1 << 14) /* W1C */
+-#define MSDC_INT_DATCRCERR (0x1 << 15) /* W1C */
+-#define MSDC_INT_ACMD19_DONE (0x1 << 16) /* W1C */
+-
+-/* MSDC_INTEN mask */
+-#define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */
+-#define MSDC_INTEN_CDSC (0x1 << 1) /* RW */
+-#define MSDC_INTEN_ACMDRDY (0x1 << 3) /* RW */
+-#define MSDC_INTEN_ACMDTMO (0x1 << 4) /* RW */
+-#define MSDC_INTEN_ACMDCRCERR (0x1 << 5) /* RW */
+-#define MSDC_INTEN_DMAQ_EMPTY (0x1 << 6) /* RW */
+-#define MSDC_INTEN_SDIOIRQ (0x1 << 7) /* RW */
+-#define MSDC_INTEN_CMDRDY (0x1 << 8) /* RW */
+-#define MSDC_INTEN_CMDTMO (0x1 << 9) /* RW */
+-#define MSDC_INTEN_RSPCRCERR (0x1 << 10) /* RW */
+-#define MSDC_INTEN_CSTA (0x1 << 11) /* RW */
+-#define MSDC_INTEN_XFER_COMPL (0x1 << 12) /* RW */
+-#define MSDC_INTEN_DXFER_DONE (0x1 << 13) /* RW */
+-#define MSDC_INTEN_DATTMO (0x1 << 14) /* RW */
+-#define MSDC_INTEN_DATCRCERR (0x1 << 15) /* RW */
+-#define MSDC_INTEN_ACMD19_DONE (0x1 << 16) /* RW */
+-
+-/* MSDC_FIFOCS mask */
+-#define MSDC_FIFOCS_RXCNT (0xff << 0) /* R */
+-#define MSDC_FIFOCS_TXCNT (0xff << 16) /* R */
+-#define MSDC_FIFOCS_CLR (0x1UL << 31) /* RW */
+-
+-/* SDC_CFG mask */
+-#define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */
+-#define SDC_CFG_INSWKUP (0x1 << 1) /* RW */
+-#define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */
+-#define SDC_CFG_SDIO (0x1 << 19) /* RW */
+-#define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */
+-#define SDC_CFG_INTATGAP (0x1 << 21) /* RW */
+-#define SDC_CFG_DTOC (0xffUL << 24) /* RW */
+-
+-/* SDC_CMD mask */
+-#define SDC_CMD_OPC (0x3f << 0) /* RW */
+-#define SDC_CMD_BRK (0x1 << 6) /* RW */
+-#define SDC_CMD_RSPTYP (0x7 << 7) /* RW */
+-#define SDC_CMD_DTYP (0x3 << 11) /* RW */
+-#define SDC_CMD_DTYP (0x3 << 11) /* RW */
+-#define SDC_CMD_RW (0x1 << 13) /* RW */
+-#define SDC_CMD_STOP (0x1 << 14) /* RW */
+-#define SDC_CMD_GOIRQ (0x1 << 15) /* RW */
+-#define SDC_CMD_BLKLEN (0xfff << 16) /* RW */
+-#define SDC_CMD_AUTOCMD (0x3 << 28) /* RW */
+-#define SDC_CMD_VOLSWTH (0x1 << 30) /* RW */
+-
+-/* SDC_STS mask */
+-#define SDC_STS_SDCBUSY (0x1 << 0) /* RW */
+-#define SDC_STS_CMDBUSY (0x1 << 1) /* RW */
+-#define SDC_STS_SWR_COMPL (0x1 << 31) /* RW */
+-
+-/* SDC_DCRC_STS mask */
+-#define SDC_DCRC_STS_NEG (0xf << 8) /* RO */
+-#define SDC_DCRC_STS_POS (0xff << 0) /* RO */
+-
+-/* EMMC_CFG0 mask */
+-#define EMMC_CFG0_BOOTSTART (0x1 << 0) /* W */
+-#define EMMC_CFG0_BOOTSTOP (0x1 << 1) /* W */
+-#define EMMC_CFG0_BOOTMODE (0x1 << 2) /* RW */
+-#define EMMC_CFG0_BOOTACKDIS (0x1 << 3) /* RW */
+-#define EMMC_CFG0_BOOTWDLY (0x7 << 12) /* RW */
+-#define EMMC_CFG0_BOOTSUPP (0x1 << 15) /* RW */
+-
+-/* EMMC_CFG1 mask */
+-#define EMMC_CFG1_BOOTDATTMC (0xfffff << 0) /* RW */
+-#define EMMC_CFG1_BOOTACKTMC (0xfffUL << 20) /* RW */
+-
+-/* EMMC_STS mask */
+-#define EMMC_STS_BOOTCRCERR (0x1 << 0) /* W1C */
+-#define EMMC_STS_BOOTACKERR (0x1 << 1) /* W1C */
+-#define EMMC_STS_BOOTDATTMO (0x1 << 2) /* W1C */
+-#define EMMC_STS_BOOTACKTMO (0x1 << 3) /* W1C */
+-#define EMMC_STS_BOOTUPSTATE (0x1 << 4) /* R */
+-#define EMMC_STS_BOOTACKRCV (0x1 << 5) /* W1C */
+-#define EMMC_STS_BOOTDATRCV (0x1 << 6) /* R */
+-
+-/* EMMC_IOCON mask */
+-#define EMMC_IOCON_BOOTRST (0x1 << 0) /* RW */
+-
+-/* SDC_ACMD19_TRG mask */
+-#define SDC_ACMD19_TRG_TUNESEL (0xf << 0) /* RW */
+-
+-/* MSDC_DMA_CTRL mask */
+-#define MSDC_DMA_CTRL_START (0x1 << 0) /* W */
+-#define MSDC_DMA_CTRL_STOP (0x1 << 1) /* W */
+-#define MSDC_DMA_CTRL_RESUME (0x1 << 2) /* W */
+-#define MSDC_DMA_CTRL_MODE (0x1 << 8) /* RW */
+-#define MSDC_DMA_CTRL_LASTBUF (0x1 << 10) /* RW */
+-#define MSDC_DMA_CTRL_BRUSTSZ (0x7 << 12) /* RW */
+-#define MSDC_DMA_CTRL_XFERSZ (0xffffUL << 16)/* RW */
+-
+-/* MSDC_DMA_CFG mask */
+-#define MSDC_DMA_CFG_STS (0x1 << 0) /* R */
+-#define MSDC_DMA_CFG_DECSEN (0x1 << 1) /* RW */
+-#define MSDC_DMA_CFG_BDCSERR (0x1 << 4) /* R */
+-#define MSDC_DMA_CFG_GPDCSERR (0x1 << 5) /* R */
+-
+-/* MSDC_PATCH_BIT mask */
+-#define MSDC_PATCH_BIT_WFLSMODE (0x1 << 0) /* RW */
+-#define MSDC_PATCH_BIT_ODDSUPP (0x1 << 1) /* RW */
+-#define MSDC_PATCH_BIT_CKGEN_CK (0x1 << 6) /* E2: Fixed to 1 */
+-#define MSDC_PATCH_BIT_IODSSEL (0x1 << 16) /* RW */
+-#define MSDC_PATCH_BIT_IOINTSEL (0x1 << 17) /* RW */
+-#define MSDC_PATCH_BIT_BUSYDLY (0xf << 18) /* RW */
+-#define MSDC_PATCH_BIT_WDOD (0xf << 22) /* RW */
+-#define MSDC_PATCH_BIT_IDRTSEL (0x1 << 26) /* RW */
+-#define MSDC_PATCH_BIT_CMDFSEL (0x1 << 27) /* RW */
+-#define MSDC_PATCH_BIT_INTDLSEL (0x1 << 28) /* RW */
+-#define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */
+-#define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */
+-
+-/* MSDC_PATCH_BIT1 mask */
+-#define MSDC_PATCH_BIT1_WRDAT_CRCS (0x7 << 3)
+-#define MSDC_PATCH_BIT1_CMD_RSP (0x7 << 0)
+-
+-/* MSDC_PAD_CTL0 mask */
+-#define MSDC_PAD_CTL0_CLKDRVN (0x7 << 0) /* RW */
+-#define MSDC_PAD_CTL0_CLKDRVP (0x7 << 4) /* RW */
+-#define MSDC_PAD_CTL0_CLKSR (0x1 << 8) /* RW */
+-#define MSDC_PAD_CTL0_CLKPD (0x1 << 16) /* RW */
+-#define MSDC_PAD_CTL0_CLKPU (0x1 << 17) /* RW */
+-#define MSDC_PAD_CTL0_CLKSMT (0x1 << 18) /* RW */
+-#define MSDC_PAD_CTL0_CLKIES (0x1 << 19) /* RW */
+-#define MSDC_PAD_CTL0_CLKTDSEL (0xf << 20) /* RW */
+-#define MSDC_PAD_CTL0_CLKRDSEL (0xffUL << 24) /* RW */
+-
+-/* MSDC_PAD_CTL1 mask */
+-#define MSDC_PAD_CTL1_CMDDRVN (0x7 << 0) /* RW */
+-#define MSDC_PAD_CTL1_CMDDRVP (0x7 << 4) /* RW */
+-#define MSDC_PAD_CTL1_CMDSR (0x1 << 8) /* RW */
+-#define MSDC_PAD_CTL1_CMDPD (0x1 << 16) /* RW */
+-#define MSDC_PAD_CTL1_CMDPU (0x1 << 17) /* RW */
+-#define MSDC_PAD_CTL1_CMDSMT (0x1 << 18) /* RW */
+-#define MSDC_PAD_CTL1_CMDIES (0x1 << 19) /* RW */
+-#define MSDC_PAD_CTL1_CMDTDSEL (0xf << 20) /* RW */
+-#define MSDC_PAD_CTL1_CMDRDSEL (0xffUL << 24) /* RW */
+-
+-/* MSDC_PAD_CTL2 mask */
+-#define MSDC_PAD_CTL2_DATDRVN (0x7 << 0) /* RW */
+-#define MSDC_PAD_CTL2_DATDRVP (0x7 << 4) /* RW */
+-#define MSDC_PAD_CTL2_DATSR (0x1 << 8) /* RW */
+-#define MSDC_PAD_CTL2_DATPD (0x1 << 16) /* RW */
+-#define MSDC_PAD_CTL2_DATPU (0x1 << 17) /* RW */
+-#define MSDC_PAD_CTL2_DATIES (0x1 << 19) /* RW */
+-#define MSDC_PAD_CTL2_DATSMT (0x1 << 18) /* RW */
+-#define MSDC_PAD_CTL2_DATTDSEL (0xf << 20) /* RW */
+-#define MSDC_PAD_CTL2_DATRDSEL (0xffUL << 24) /* RW */
+-
+-/* MSDC_PAD_TUNE mask */
+-#define MSDC_PAD_TUNE_DATWRDLY (0x1F << 0) /* RW */
+-#define MSDC_PAD_TUNE_DATRRDLY (0x1F << 8) /* RW */
+-#define MSDC_PAD_TUNE_CMDRDLY (0x1F << 16) /* RW */
+-#define MSDC_PAD_TUNE_CMDRRDLY (0x1FUL << 22) /* RW */
+-#define MSDC_PAD_TUNE_CLKTXDLY (0x1FUL << 27) /* RW */
+-
+-/* MSDC_DAT_RDDLY0/1 mask */
+-#define MSDC_DAT_RDDLY0_D0 (0x1F << 0) /* RW */
+-#define MSDC_DAT_RDDLY0_D1 (0x1F << 8) /* RW */
+-#define MSDC_DAT_RDDLY0_D2 (0x1F << 16) /* RW */
+-#define MSDC_DAT_RDDLY0_D3 (0x1F << 24) /* RW */
+-
+-#define MSDC_DAT_RDDLY1_D4 (0x1F << 0) /* RW */
+-#define MSDC_DAT_RDDLY1_D5 (0x1F << 8) /* RW */
+-#define MSDC_DAT_RDDLY1_D6 (0x1F << 16) /* RW */
+-#define MSDC_DAT_RDDLY1_D7 (0x1F << 24) /* RW */
+-
+-#define MSDC_CKGEN_MSDC_DLY_SEL (0x1F << 10)
+-#define MSDC_INT_DAT_LATCH_CK_SEL (0x7 << 7)
+-#define MSDC_CKGEN_MSDC_CK_SEL (0x1 << 6)
+-#define CARD_READY_FOR_DATA (1 << 8)
+-#define CARD_CURRENT_STATE(x) ((x & 0x00001E00) >> 9)
+-
+-/*--------------------------------------------------------------------------*/
+-/* Descriptor Structure */
+-/*--------------------------------------------------------------------------*/
+-struct gpd {
+- u32 hwo:1; /* could be changed by hw */
+- u32 bdp:1;
+- u32 rsv0:6;
+- u32 chksum:8;
+- u32 intr:1;
+- u32 rsv1:15;
+- void *next;
+- void *ptr;
+- u32 buflen:16;
+- u32 extlen:8;
+- u32 rsv2:8;
+- u32 arg;
+- u32 blknum;
+- u32 cmd;
+-};
+-
+-struct bd {
+- u32 eol:1;
+- u32 rsv0:7;
+- u32 chksum:8;
+- u32 rsv1:1;
+- u32 blkpad:1;
+- u32 dwpad:1;
+- u32 rsv2:13;
+- void *next;
+- void *ptr;
+- u32 buflen:16;
+- u32 rsv3:16;
+-};
+-
+-struct msdc_dma {
+- struct gpd *gpd; /* pointer to gpd array */
+- struct bd *bd; /* pointer to bd array */
+- dma_addr_t gpd_addr; /* the physical address of gpd array */
+- dma_addr_t bd_addr; /* the physical address of bd array */
+-};
+-
+-struct msdc_host {
+- struct msdc_hw *hw;
+-
+- struct mmc_host *mmc; /* mmc structure */
+- struct mmc_command *cmd;
+- struct mmc_data *data;
+- struct mmc_request *mrq;
+- int cmd_rsp;
+-
+- int error;
+- spinlock_t lock; /* mutex */
+- struct semaphore sem;
+-
+- u32 blksz; /* host block size */
+- void __iomem *base; /* host base address */
+- int id; /* host id */
+- int pwr_ref; /* core power reference count */
+-
+- u32 xfer_size; /* total transferred size */
+-
+- struct msdc_dma dma; /* dma channel */
+- u32 dma_xfer_size; /* dma transfer size in bytes */
+-
+- u32 timeout_ns; /* data timeout ns */
+- u32 timeout_clks; /* data timeout clks */
+-
+- int irq; /* host interrupt */
+-
+- struct delayed_work card_delaywork;
+-
+- struct completion cmd_done;
+- struct completion xfer_done;
+- struct pm_message pm_state;
+-
+- u32 mclk; /* mmc subsystem clock */
+- u32 hclk; /* host clock speed */
+- u32 sclk; /* SD/MS clock speed */
+- u8 core_clkon; /* Host core clock on ? */
+- u8 card_clkon; /* Card clock on ? */
+- u8 core_power; /* core power */
+- u8 power_mode; /* host power mode */
+- u8 card_inserted; /* card inserted ? */
+- u8 suspend; /* host suspended ? */
+- u8 app_cmd; /* for app command */
+- u32 app_cmd_arg;
+-};
+-
+-static inline void sdr_set_bits(void __iomem *reg, u32 bs)
+-{
+- u32 val = readl(reg);
+-
+- val |= bs;
+- writel(val, reg);
+-}
+-
+-static inline void sdr_clr_bits(void __iomem *reg, u32 bs)
+-{
+- u32 val = readl(reg);
+-
+- val &= ~bs;
+- writel(val, reg);
+-}
+-
+-static inline void sdr_set_field(void __iomem *reg, u32 field, u32 val)
+-{
+- unsigned int tv = readl(reg);
+-
+- tv &= ~field;
+- tv |= ((val) << (ffs((unsigned int)field) - 1));
+- writel(tv, reg);
+-}
+-
+-static inline void sdr_get_field(void __iomem *reg, u32 field, u32 *val)
+-{
+- unsigned int tv = readl(reg);
+- *val = ((tv & field) >> (ffs((unsigned int)field) - 1));
+-}
+-
+-#endif
+diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
+deleted file mode 100644
+index 04d23cc7cd4a6..0000000000000
+--- a/drivers/staging/mt7621-mmc/sd.c
++++ /dev/null
+@@ -1,2392 +0,0 @@
+-/* Copyright Statement:
+- *
+- * This software/firmware and related documentation ("MediaTek Software") are
+- * protected under relevant copyright laws. The information contained herein
+- * is confidential and proprietary to MediaTek Inc. and/or its licensors.
+- * Without the prior written permission of MediaTek inc. and/or its licensors,
+- * any reproduction, modification, use or disclosure of MediaTek Software,
+- * and information contained herein, in whole or in part, shall be strictly prohibited.
+- *
+- * MediaTek Inc. (C) 2010. All rights reserved.
+- *
+- * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+- * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+- * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
+- * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+- * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+- * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+- * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
+- * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
+- * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
+- * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
+- * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
+- * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
+- * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+- * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+- * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
+- * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+- *
+- * The following software/firmware and/or related documentation ("MediaTek Software")
+- * have been modified by MediaTek Inc. All revisions are subject to any receiver's
+- * applicable license agreements with MediaTek Inc.
+- */
+-
+-#include <linux/module.h>
+-#include <linux/delay.h>
+-#include <linux/dma-mapping.h>
+-#include <linux/spinlock.h>
+-#include <linux/platform_device.h>
+-
+-#include <linux/mmc/host.h>
+-#include <linux/mmc/mmc.h>
+-#include <linux/mmc/sd.h>
+-#include <linux/mmc/sdio.h>
+-
+-#include <asm/mach-ralink/ralink_regs.h>
+-
+-#include "board.h"
+-#include "dbg.h"
+-#include "mt6575_sd.h"
+-
+-#ifdef CONFIG_SOC_MT7621
+-#define RALINK_SYSCTL_BASE 0xbe000000
+-#else
+-#define RALINK_SYSCTL_BASE 0xb0000000
+-#endif
+-
+-#define DRV_NAME "mtk-sd"
+-
+-#if defined(CONFIG_SOC_MT7620)
+-#define HOST_MAX_MCLK (48000000) /* +/- by chhung */
+-#elif defined(CONFIG_SOC_MT7621)
+-#define HOST_MAX_MCLK (50000000) /* +/- by chhung */
+-#endif
+-#define HOST_MIN_MCLK (260000)
+-
+-#define HOST_MAX_BLKSZ (2048)
+-
+-#define MSDC_OCR_AVAIL (MMC_VDD_28_29 | MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33)
+-
+-#define GPIO_PULL_DOWN (0)
+-#define GPIO_PULL_UP (1)
+-
+-#if 0 /* --- by chhung */
+-#define MSDC_CLKSRC_REG (0xf100000C)
+-#define PDN_REG (0xF1000010)
+-#endif /* end of --- */
+-
+-#define DEFAULT_DEBOUNCE (8) /* 8 cycles */
+-#define DEFAULT_DTOC (40) /* data timeout counter. 65536x40 sclk. */
+-
+-#define CMD_TIMEOUT (HZ / 10) /* 100ms */
+-#define DAT_TIMEOUT (HZ / 2 * 5) /* 500ms x5 */
+-
+-#define MAX_DMA_CNT (64 * 1024 - 512) /* a single transaction for WIFI may be 50K*/
+-
+-#define MAX_GPD_NUM (1 + 1) /* one null gpd */
+-#define MAX_BD_NUM (1024)
+-
+-#define MAX_HW_SGMTS (MAX_BD_NUM)
+-#define MAX_SGMT_SZ (MAX_DMA_CNT)
+-#define MAX_REQ_SZ (MAX_SGMT_SZ * 8)
+-
+-static int cd_active_low = 1;
+-
+-//=================================
+-#define PERI_MSDC0_PDN (15)
+-//#define PERI_MSDC1_PDN (16)
+-//#define PERI_MSDC2_PDN (17)
+-//#define PERI_MSDC3_PDN (18)
+-
+-#if 0 /* --- by chhung */
+-/* gate means clock power down */
+-static int g_clk_gate = 0;
+-#define msdc_gate_clock(id) \
+- do { \
+- g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \
+- } while (0)
+-/* not like power down register. 1 means clock on. */
+-#define msdc_ungate_clock(id) \
+- do { \
+- g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \
+- } while (0)
+-
+-// do we need sync object or not
+-void msdc_clk_status(int *status)
+-{
+- *status = g_clk_gate;
+-}
+-#endif /* end of --- */
+-
+-/* +++ by chhung */
+-struct msdc_hw msdc0_hw = {
+- .clk_src = 0,
+- .flags = MSDC_CD_PIN_EN | MSDC_REMOVABLE,
+-// .flags = MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE,
+-};
+-
+-/* end of +++ */
+-
+-static int msdc_rsp[] = {
+- 0, /* RESP_NONE */
+- 1, /* RESP_R1 */
+- 2, /* RESP_R2 */
+- 3, /* RESP_R3 */
+- 4, /* RESP_R4 */
+- 1, /* RESP_R5 */
+- 1, /* RESP_R6 */
+- 1, /* RESP_R7 */
+- 7, /* RESP_R1b */
+-};
+-
+-#define msdc_dma_on() sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_PIO)
+-
+-static void msdc_reset_hw(struct msdc_host *host)
+-{
+- sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_RST);
+- while (readl(host->base + MSDC_CFG) & MSDC_CFG_RST)
+- cpu_relax();
+-}
+-
+-#define msdc_clr_int() \
+- do { \
+- volatile u32 val = readl(host->base + MSDC_INT); \
+- writel(val, host->base + MSDC_INT); \
+- } while (0)
+-
+-static void msdc_clr_fifo(struct msdc_host *host)
+-{
+- sdr_set_bits(host->base + MSDC_FIFOCS, MSDC_FIFOCS_CLR);
+- while (readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_CLR)
+- cpu_relax();
+-}
+-
+-#define msdc_irq_save(val) \
+- do { \
+- val = readl(host->base + MSDC_INTEN); \
+- sdr_clr_bits(host->base + MSDC_INTEN, val); \
+- } while (0)
+-
+-#define msdc_irq_restore(val) \
+- do { \
+- sdr_set_bits(host->base + MSDC_INTEN, val); \
+- } while (0)
+-
+-/* clock source for host: global */
+-#if defined(CONFIG_SOC_MT7620)
+-static u32 hclks[] = {48000000}; /* +/- by chhung */
+-#elif defined(CONFIG_SOC_MT7621)
+-static u32 hclks[] = {50000000}; /* +/- by chhung */
+-#endif
+-
+-//============================================
+-// the power for msdc host controller: global
+-// always keep the VMC on.
+-//============================================
+-#define msdc_vcore_on(host) \
+- do { \
+- INIT_MSG("[+]VMC ref. count<%d>", ++host->pwr_ref); \
+- (void)hwPowerOn(MT65XX_POWER_LDO_VMC, VOL_3300, "SD"); \
+- } while (0)
+-#define msdc_vcore_off(host) \
+- do { \
+- INIT_MSG("[-]VMC ref. count<%d>", --host->pwr_ref); \
+- (void)hwPowerDown(MT65XX_POWER_LDO_VMC, "SD"); \
+- } while (0)
+-
+-//====================================
+-// the vdd output for card: global
+-// always keep the VMCH on.
+-//====================================
+-#define msdc_vdd_on(host) \
+- do { \
+- (void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"); \
+- } while (0)
+-#define msdc_vdd_off(host) \
+- do { \
+- (void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"); \
+- } while (0)
+-
+-#define sdc_is_busy() (readl(host->base + SDC_STS) & SDC_STS_SDCBUSY)
+-#define sdc_is_cmd_busy() (readl(host->base + SDC_STS) & SDC_STS_CMDBUSY)
+-
+-#define sdc_send_cmd(cmd, arg) \
+- do { \
+- writel((arg), host->base + SDC_ARG); \
+- writel((cmd), host->base + SDC_CMD); \
+- } while (0)
+-
+-/* +++ by chhung */
+-#ifndef __ASSEMBLY__
+-#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
+-#else
+-#define PHYSADDR(a) ((a) & 0x1fffffff)
+-#endif
+-/* end of +++ */
+-static unsigned int msdc_do_command(struct msdc_host *host,
+- struct mmc_command *cmd,
+- int tune,
+- unsigned long timeout);
+-
+-static int msdc_tune_cmdrsp(struct msdc_host *host, struct mmc_command *cmd);
+-
+-#ifdef MT6575_SD_DEBUG
+-static void msdc_dump_card_status(struct msdc_host *host, u32 status)
+-{
+-/* N_MSG is currently a no-op */
+-#if 0
+- static char *state[] = {
+- "Idle", /* 0 */
+- "Ready", /* 1 */
+- "Ident", /* 2 */
+- "Stby", /* 3 */
+- "Tran", /* 4 */
+- "Data", /* 5 */
+- "Rcv", /* 6 */
+- "Prg", /* 7 */
+- "Dis", /* 8 */
+- "Reserved", /* 9 */
+- "Reserved", /* 10 */
+- "Reserved", /* 11 */
+- "Reserved", /* 12 */
+- "Reserved", /* 13 */
+- "Reserved", /* 14 */
+- "I/O mode", /* 15 */
+- };
+-#endif
+- if (status & R1_OUT_OF_RANGE)
+- N_MSG(RSP, "[CARD_STATUS] Out of Range");
+- if (status & R1_ADDRESS_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Address Error");
+- if (status & R1_BLOCK_LEN_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Block Len Error");
+- if (status & R1_ERASE_SEQ_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Erase Seq Error");
+- if (status & R1_ERASE_PARAM)
+- N_MSG(RSP, "[CARD_STATUS] Erase Param");
+- if (status & R1_WP_VIOLATION)
+- N_MSG(RSP, "[CARD_STATUS] WP Violation");
+- if (status & R1_CARD_IS_LOCKED)
+- N_MSG(RSP, "[CARD_STATUS] Card is Locked");
+- if (status & R1_LOCK_UNLOCK_FAILED)
+- N_MSG(RSP, "[CARD_STATUS] Lock/Unlock Failed");
+- if (status & R1_COM_CRC_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Command CRC Error");
+- if (status & R1_ILLEGAL_COMMAND)
+- N_MSG(RSP, "[CARD_STATUS] Illegal Command");
+- if (status & R1_CARD_ECC_FAILED)
+- N_MSG(RSP, "[CARD_STATUS] Card ECC Failed");
+- if (status & R1_CC_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] CC Error");
+- if (status & R1_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Error");
+- if (status & R1_UNDERRUN)
+- N_MSG(RSP, "[CARD_STATUS] Underrun");
+- if (status & R1_OVERRUN)
+- N_MSG(RSP, "[CARD_STATUS] Overrun");
+- if (status & R1_CID_CSD_OVERWRITE)
+- N_MSG(RSP, "[CARD_STATUS] CID/CSD Overwrite");
+- if (status & R1_WP_ERASE_SKIP)
+- N_MSG(RSP, "[CARD_STATUS] WP Eraser Skip");
+- if (status & R1_CARD_ECC_DISABLED)
+- N_MSG(RSP, "[CARD_STATUS] Card ECC Disabled");
+- if (status & R1_ERASE_RESET)
+- N_MSG(RSP, "[CARD_STATUS] Erase Reset");
+- if (status & R1_READY_FOR_DATA)
+- N_MSG(RSP, "[CARD_STATUS] Ready for Data");
+- if (status & R1_SWITCH_ERROR)
+- N_MSG(RSP, "[CARD_STATUS] Switch error");
+- if (status & R1_APP_CMD)
+- N_MSG(RSP, "[CARD_STATUS] App Command");
+-
+- N_MSG(RSP, "[CARD_STATUS] '%s' State", state[R1_CURRENT_STATE(status)]);
+-}
+-
+-static void msdc_dump_ocr_reg(struct msdc_host *host, u32 resp)
+-{
+- if (resp & (1 << 7))
+- N_MSG(RSP, "[OCR] Low Voltage Range");
+- if (resp & (1 << 15))
+- N_MSG(RSP, "[OCR] 2.7-2.8 volt");
+- if (resp & (1 << 16))
+- N_MSG(RSP, "[OCR] 2.8-2.9 volt");
+- if (resp & (1 << 17))
+- N_MSG(RSP, "[OCR] 2.9-3.0 volt");
+- if (resp & (1 << 18))
+- N_MSG(RSP, "[OCR] 3.0-3.1 volt");
+- if (resp & (1 << 19))
+- N_MSG(RSP, "[OCR] 3.1-3.2 volt");
+- if (resp & (1 << 20))
+- N_MSG(RSP, "[OCR] 3.2-3.3 volt");
+- if (resp & (1 << 21))
+- N_MSG(RSP, "[OCR] 3.3-3.4 volt");
+- if (resp & (1 << 22))
+- N_MSG(RSP, "[OCR] 3.4-3.5 volt");
+- if (resp & (1 << 23))
+- N_MSG(RSP, "[OCR] 3.5-3.6 volt");
+- if (resp & (1 << 24))
+- N_MSG(RSP, "[OCR] Switching to 1.8V Accepted (S18A)");
+- if (resp & (1 << 30))
+- N_MSG(RSP, "[OCR] Card Capacity Status (CCS)");
+- if (resp & (1 << 31))
+- N_MSG(RSP, "[OCR] Card Power Up Status (Idle)");
+- else
+- N_MSG(RSP, "[OCR] Card Power Up Status (Busy)");
+-}
+-
+-static void msdc_dump_rca_resp(struct msdc_host *host, u32 resp)
+-{
+- u32 status = (((resp >> 15) & 0x1) << 23) |
+- (((resp >> 14) & 0x1) << 22) |
+- (((resp >> 13) & 0x1) << 19) |
+- (resp & 0x1fff);
+-
+- N_MSG(RSP, "[RCA] 0x%.4x", resp >> 16);
+- msdc_dump_card_status(host, status);
+-}
+-
+-static void msdc_dump_io_resp(struct msdc_host *host, u32 resp)
+-{
+- u32 flags = (resp >> 8) & 0xFF;
+-#if 0
+- char *state[] = {"DIS", "CMD", "TRN", "RFU"};
+-#endif
+- if (flags & (1 << 7))
+- N_MSG(RSP, "[IO] COM_CRC_ERR");
+- if (flags & (1 << 6))
+- N_MSG(RSP, "[IO] Illegal command");
+- if (flags & (1 << 3))
+- N_MSG(RSP, "[IO] Error");
+- if (flags & (1 << 2))
+- N_MSG(RSP, "[IO] RFU");
+- if (flags & (1 << 1))
+- N_MSG(RSP, "[IO] Function number error");
+- if (flags & (1 << 0))
+- N_MSG(RSP, "[IO] Out of range");
+-
+- N_MSG(RSP, "[IO] State: %s, Data:0x%x", state[(resp >> 12) & 0x3], resp & 0xFF);
+-}
+-#endif
+-
+-static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks)
+-{
+- u32 timeout, clk_ns;
+-
+- host->timeout_ns = ns;
+- host->timeout_clks = clks;
+-
+- clk_ns = 1000000000UL / host->sclk;
+- timeout = ns / clk_ns + clks;
+- timeout = timeout >> 16; /* in 65536 sclk cycle unit */
+- timeout = timeout > 1 ? timeout - 1 : 0;
+- timeout = timeout > 255 ? 255 : timeout;
+-
+- sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout);
+-
+- N_MSG(OPS, "Set read data timeout: %dns %dclks -> %d x 65536 cycles",
+- ns, clks, timeout + 1);
+-}
+-
+-static void msdc_tasklet_card(struct work_struct *work)
+-{
+- struct msdc_host *host = (struct msdc_host *)container_of(work,
+- struct msdc_host, card_delaywork.work);
+- u32 inserted;
+- u32 status = 0;
+- //u32 change = 0;
+-
+- spin_lock(&host->lock);
+-
+- status = readl(host->base + MSDC_PS);
+- if (cd_active_low)
+- inserted = (status & MSDC_PS_CDSTS) ? 0 : 1;
+- else
+- inserted = (status & MSDC_PS_CDSTS) ? 1 : 0;
+-
+-#if 0
+- change = host->card_inserted ^ inserted;
+- host->card_inserted = inserted;
+-
+- if (change && !host->suspend) {
+- if (inserted)
+- host->mmc->f_max = HOST_MAX_MCLK; // work around
+- mmc_detect_change(host->mmc, msecs_to_jiffies(20));
+- }
+-#else /* Make sure: handle the last interrupt */
+- host->card_inserted = inserted;
+-
+- if (!host->suspend) {
+- host->mmc->f_max = HOST_MAX_MCLK;
+- mmc_detect_change(host->mmc, msecs_to_jiffies(20));
+- }
+-
+- IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed");
+-#endif
+-
+- spin_unlock(&host->lock);
+-}
+-
+-#if 0 /* --- by chhung */
+-/* For E2 only */
+-static u8 clk_src_bit[4] = {
+- 0, 3, 5, 7
+-};
+-
+-static void msdc_select_clksrc(struct msdc_host *host, unsigned char clksrc)
+-{
+- u32 val;
+-
+- BUG_ON(clksrc > 3);
+- INIT_MSG("set clock source to <%d>", clksrc);
+-
+- val = readl(host->base + MSDC_CLKSRC_REG);
+- if (readl(host->base + MSDC_ECO_VER) >= 4) {
+- val &= ~(0x3 << clk_src_bit[host->id]);
+- val |= clksrc << clk_src_bit[host->id];
+- } else {
+- val &= ~0x3; val |= clksrc;
+- }
+- writel(val, host->base + MSDC_CLKSRC_REG);
+-
+- host->hclk = hclks[clksrc];
+- host->hw->clk_src = clksrc;
+-}
+-#endif /* end of --- */
+-
+-static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz)
+-{
+- //struct msdc_hw *hw = host->hw;
+- u32 mode;
+- u32 flags;
+- u32 div;
+- u32 sclk;
+- u32 hclk = host->hclk;
+- //u8 clksrc = hw->clk_src;
+-
+- if (!hz) { // set mmc system clock to 0 ?
+- //ERR_MSG("set mclk to 0!!!");
+- msdc_reset_hw(host);
+- return;
+- }
+-
+- msdc_irq_save(flags);
+-
+- if (ddr) {
+- mode = 0x2; /* ddr mode and use divisor */
+- if (hz >= (hclk >> 2)) {
+- div = 1; /* mean div = 1/4 */
+- sclk = hclk >> 2; /* sclk = clk / 4 */
+- } else {
+- div = (hclk + ((hz << 2) - 1)) / (hz << 2);
+- sclk = (hclk >> 2) / div;
+- }
+- } else if (hz >= hclk) { /* bug fix */
+- mode = 0x1; /* no divisor and divisor is ignored */
+- div = 0;
+- sclk = hclk;
+- } else {
+- mode = 0x0; /* use divisor */
+- if (hz >= (hclk >> 1)) {
+- div = 0; /* mean div = 1/2 */
+- sclk = hclk >> 1; /* sclk = clk / 2 */
+- } else {
+- div = (hclk + ((hz << 2) - 1)) / (hz << 2);
+- sclk = (hclk >> 2) / div;
+- }
+- }
+-
+- /* set clock mode and divisor */
+- sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, mode);
+- sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKDIV, div);
+-
+- /* wait clock stable */
+- while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB))
+- cpu_relax();
+-
+- host->sclk = sclk;
+- host->mclk = hz;
+- msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); // need?
+-
+- INIT_MSG("================");
+- INIT_MSG("!!! Set<%dKHz> Source<%dKHz> -> sclk<%dKHz>", hz / 1000, hclk / 1000, sclk / 1000);
+- INIT_MSG("================");
+-
+- msdc_irq_restore(flags);
+-}
+-
+-/* Fix me. when need to abort */
+-static void msdc_abort_data(struct msdc_host *host)
+-{
+- struct mmc_command *stop = host->mrq->stop;
+-
+- ERR_MSG("Need to Abort.");
+-
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+- msdc_clr_int();
+-
+- // need to check FIFO count 0 ?
+-
+- if (stop) { /* try to stop, but may not success */
+- ERR_MSG("stop when abort CMD<%d>", stop->opcode);
+- (void)msdc_do_command(host, stop, 0, CMD_TIMEOUT);
+- }
+-
+- //if (host->mclk >= 25000000) {
+- // msdc_set_mclk(host, 0, host->mclk >> 1);
+- //}
+-}
+-
+-#if 0 /* --- by chhung */
+-static void msdc_pin_config(struct msdc_host *host, int mode)
+-{
+- struct msdc_hw *hw = host->hw;
+- int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN;
+-
+- /* Config WP pin */
+- if (hw->flags & MSDC_WP_PIN_EN) {
+- if (hw->config_gpio_pin) /* NULL */
+- hw->config_gpio_pin(MSDC_WP_PIN, pull);
+- }
+-
+- switch (mode) {
+- case MSDC_PIN_PULL_UP:
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 1); /* Check & FIXME */
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 1);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 1);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0);
+- break;
+- case MSDC_PIN_PULL_DOWN:
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 1); /* Check & FIXME */
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 1);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 1);
+- break;
+- case MSDC_PIN_PULL_NONE:
+- default:
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */
+- //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0);
+- break;
+- }
+-
+- N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)",
+- mode, MSDC_PIN_PULL_DOWN, MSDC_PIN_PULL_UP);
+-}
+-
+-void msdc_pin_reset(struct msdc_host *host, int mode)
+-{
+- struct msdc_hw *hw = (struct msdc_hw *)host->hw;
+- int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN;
+-
+- /* Config reset pin */
+- if (hw->flags & MSDC_RST_PIN_EN) {
+- if (hw->config_gpio_pin) /* NULL */
+- hw->config_gpio_pin(MSDC_RST_PIN, pull);
+-
+- if (mode == MSDC_PIN_PULL_UP)
+- sdr_clr_bits(host->base + EMMC_IOCON, EMMC_IOCON_BOOTRST);
+- else
+- sdr_set_bits(host->base + EMMC_IOCON, EMMC_IOCON_BOOTRST);
+- }
+-}
+-
+-static void msdc_core_power(struct msdc_host *host, int on)
+-{
+- N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)",
+- on ? "on" : "off", "core", host->core_power, on);
+-
+- if (on && host->core_power == 0) {
+- msdc_vcore_on(host);
+- host->core_power = 1;
+- msleep(1);
+- } else if (!on && host->core_power == 1) {
+- msdc_vcore_off(host);
+- host->core_power = 0;
+- msleep(1);
+- }
+-}
+-
+-static void msdc_host_power(struct msdc_host *host, int on)
+-{
+- N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "host");
+-
+- if (on) {
+- //msdc_core_power(host, 1); // need do card detection.
+- msdc_pin_reset(host, MSDC_PIN_PULL_UP);
+- } else {
+- msdc_pin_reset(host, MSDC_PIN_PULL_DOWN);
+- //msdc_core_power(host, 0);
+- }
+-}
+-
+-static void msdc_card_power(struct msdc_host *host, int on)
+-{
+- N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "card");
+-
+- if (on) {
+- msdc_pin_config(host, MSDC_PIN_PULL_UP);
+- //msdc_vdd_on(host); // need todo card detection.
+- msleep(1);
+- } else {
+- //msdc_vdd_off(host);
+- msdc_pin_config(host, MSDC_PIN_PULL_DOWN);
+- msleep(1);
+- }
+-}
+-
+-static void msdc_set_power_mode(struct msdc_host *host, u8 mode)
+-{
+- N_MSG(CFG, "Set power mode(%d)", mode);
+-
+- if (host->power_mode == MMC_POWER_OFF && mode != MMC_POWER_OFF) {
+- msdc_host_power(host, 1);
+- msdc_card_power(host, 1);
+- } else if (host->power_mode != MMC_POWER_OFF && mode == MMC_POWER_OFF) {
+- msdc_card_power(host, 0);
+- msdc_host_power(host, 0);
+- }
+- host->power_mode = mode;
+-}
+-#endif /* end of --- */
+-
+-#ifdef CONFIG_PM
+-/*
+- register as callback function of WIFI(combo_sdio_register_pm) .
+- can called by msdc_drv_suspend/resume too.
+-*/
+-static void msdc_pm(pm_message_t state, void *data)
+-{
+- struct msdc_host *host = (struct msdc_host *)data;
+- int evt = state.event;
+-
+- if (evt == PM_EVENT_USER_RESUME || evt == PM_EVENT_USER_SUSPEND) {
+- INIT_MSG("USR_%s: suspend<%d> power<%d>",
+- evt == PM_EVENT_USER_RESUME ? "EVENT_USER_RESUME" : "EVENT_USER_SUSPEND",
+- host->suspend, host->power_mode);
+- }
+-
+- if (evt == PM_EVENT_SUSPEND || evt == PM_EVENT_USER_SUSPEND) {
+- if (host->suspend) /* already suspend */ /* default 0*/
+- return;
+-
+- /* for memory card. already power off by mmc */
+- if (evt == PM_EVENT_SUSPEND && host->power_mode == MMC_POWER_OFF)
+- return;
+-
+- host->suspend = 1;
+- host->pm_state = state; /* default PMSG_RESUME */
+-
+- } else if (evt == PM_EVENT_RESUME || evt == PM_EVENT_USER_RESUME) {
+- if (!host->suspend) {
+- //ERR_MSG("warning: already resume");
+- return;
+- }
+-
+- /* No PM resume when USR suspend */
+- if (evt == PM_EVENT_RESUME && host->pm_state.event == PM_EVENT_USER_SUSPEND) {
+- ERR_MSG("PM Resume when in USR Suspend"); /* won't happen. */
+- return;
+- }
+-
+- host->suspend = 0;
+- host->pm_state = state;
+-
+- }
+-}
+-#endif
+-
+-static inline u32 msdc_cmd_find_resp(struct mmc_command *cmd)
+-{
+- u32 opcode = cmd->opcode;
+- u32 resp;
+-
+- if (opcode == MMC_SET_RELATIVE_ADDR) {
+- resp = (mmc_cmd_type(cmd) == MMC_CMD_BCR) ? RESP_R6 : RESP_R1;
+- } else if (opcode == MMC_FAST_IO) {
+- resp = RESP_R4;
+- } else if (opcode == MMC_GO_IRQ_STATE) {
+- resp = RESP_R5;
+- } else if (opcode == MMC_SELECT_CARD) {
+- resp = (cmd->arg != 0) ? RESP_R1B : RESP_NONE;
+- } else if (opcode == SD_IO_RW_DIRECT || opcode == SD_IO_RW_EXTENDED) {
+- resp = RESP_R1; /* SDIO workaround. */
+- } else if (opcode == SD_SEND_IF_COND && (mmc_cmd_type(cmd) == MMC_CMD_BCR)) {
+- resp = RESP_R1;
+- } else {
+- switch (mmc_resp_type(cmd)) {
+- case MMC_RSP_R1:
+- resp = RESP_R1;
+- break;
+- case MMC_RSP_R1B:
+- resp = RESP_R1B;
+- break;
+- case MMC_RSP_R2:
+- resp = RESP_R2;
+- break;
+- case MMC_RSP_R3:
+- resp = RESP_R3;
+- break;
+- case MMC_RSP_NONE:
+- default:
+- resp = RESP_NONE;
+- break;
+- }
+- }
+-
+- return resp;
+-}
+-
+-/*--------------------------------------------------------------------------*/
+-/* mmc_host_ops members */
+-/*--------------------------------------------------------------------------*/
+-static unsigned int msdc_command_start(struct msdc_host *host,
+- struct mmc_command *cmd,
+- unsigned long timeout)
+-{
+- u32 opcode = cmd->opcode;
+- u32 rawcmd;
+- u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
+- MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
+- MSDC_INT_ACMD19_DONE;
+-
+- u32 resp;
+- unsigned long tmo;
+-
+- /* Protocol layer does not provide response type, but our hardware needs
+- * to know exact type, not just size!
+- */
+- resp = msdc_cmd_find_resp(cmd);
+-
+- cmd->error = 0;
+- /* rawcmd :
+- * vol_swt << 30 | auto_cmd << 28 | blklen << 16 | go_irq << 15 |
+- * stop << 14 | rw << 13 | dtype << 11 | rsptyp << 7 | brk << 6 | opcode
+- */
+- rawcmd = opcode | msdc_rsp[resp] << 7 | host->blksz << 16;
+-
+- if (opcode == MMC_READ_MULTIPLE_BLOCK) {
+- rawcmd |= (2 << 11);
+- } else if (opcode == MMC_READ_SINGLE_BLOCK) {
+- rawcmd |= (1 << 11);
+- } else if (opcode == MMC_WRITE_MULTIPLE_BLOCK) {
+- rawcmd |= ((2 << 11) | (1 << 13));
+- } else if (opcode == MMC_WRITE_BLOCK) {
+- rawcmd |= ((1 << 11) | (1 << 13));
+- } else if (opcode == SD_IO_RW_EXTENDED) {
+- if (cmd->data->flags & MMC_DATA_WRITE)
+- rawcmd |= (1 << 13);
+- if (cmd->data->blocks > 1)
+- rawcmd |= (2 << 11);
+- else
+- rawcmd |= (1 << 11);
+- } else if (opcode == SD_IO_RW_DIRECT && cmd->flags == (unsigned int)-1) {
+- rawcmd |= (1 << 14);
+- } else if ((opcode == SD_APP_SEND_SCR) ||
+- (opcode == SD_APP_SEND_NUM_WR_BLKS) ||
+- (opcode == SD_SWITCH && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) ||
+- (opcode == SD_APP_SD_STATUS && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) ||
+- (opcode == MMC_SEND_EXT_CSD && (mmc_cmd_type(cmd) == MMC_CMD_ADTC))) {
+- rawcmd |= (1 << 11);
+- } else if (opcode == MMC_STOP_TRANSMISSION) {
+- rawcmd |= (1 << 14);
+- rawcmd &= ~(0x0FFF << 16);
+- }
+-
+- N_MSG(CMD, "CMD<%d><0x%.8x> Arg<0x%.8x>", opcode, rawcmd, cmd->arg);
+-
+- tmo = jiffies + timeout;
+-
+- if (opcode == MMC_SEND_STATUS) {
+- for (;;) {
+- if (!sdc_is_cmd_busy())
+- break;
+-
+- if (time_after(jiffies, tmo)) {
+- ERR_MSG("XXX cmd_busy timeout: before CMD<%d>", opcode);
+- cmd->error = -ETIMEDOUT;
+- msdc_reset_hw(host);
+- goto end;
+- }
+- }
+- } else {
+- for (;;) {
+- if (!sdc_is_busy())
+- break;
+- if (time_after(jiffies, tmo)) {
+- ERR_MSG("XXX sdc_busy timeout: before CMD<%d>", opcode);
+- cmd->error = -ETIMEDOUT;
+- msdc_reset_hw(host);
+- goto end;
+- }
+- }
+- }
+-
+- //BUG_ON(in_interrupt());
+- host->cmd = cmd;
+- host->cmd_rsp = resp;
+-
+- init_completion(&host->cmd_done);
+-
+- sdr_set_bits(host->base + MSDC_INTEN, wints);
+- sdc_send_cmd(rawcmd, cmd->arg);
+-
+-end:
+- return cmd->error;
+-}
+-
+-static unsigned int msdc_command_resp(struct msdc_host *host,
+- struct mmc_command *cmd,
+- int tune,
+- unsigned long timeout)
+- __must_hold(&host->lock)
+-{
+- u32 opcode = cmd->opcode;
+- //u32 rawcmd;
+- u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO |
+- MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO |
+- MSDC_INT_ACMD19_DONE;
+-
+- BUG_ON(in_interrupt());
+- //init_completion(&host->cmd_done);
+- //sdr_set_bits(host->base + MSDC_INTEN, wints);
+-
+- spin_unlock(&host->lock);
+- if (!wait_for_completion_timeout(&host->cmd_done, 10 * timeout)) {
+- ERR_MSG("XXX CMD<%d> wait_for_completion timeout ARG<0x%.8x>", opcode, cmd->arg);
+- cmd->error = -ETIMEDOUT;
+- msdc_reset_hw(host);
+- }
+- spin_lock(&host->lock);
+-
+- sdr_clr_bits(host->base + MSDC_INTEN, wints);
+- host->cmd = NULL;
+-
+-//end:
+-#ifdef MT6575_SD_DEBUG
+- switch (resp) {
+- case RESP_NONE:
+- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)", opcode, cmd->error, resp);
+- break;
+- case RESP_R2:
+- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x",
+- opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1],
+- cmd->resp[2], cmd->resp[3]);
+- break;
+- default: /* Response types 1, 3, 4, 5, 6, 7(1b) */
+- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x",
+- opcode, cmd->error, resp, cmd->resp[0]);
+- if (cmd->error == 0) {
+- switch (resp) {
+- case RESP_R1:
+- case RESP_R1B:
+- msdc_dump_card_status(host, cmd->resp[0]);
+- break;
+- case RESP_R3:
+- msdc_dump_ocr_reg(host, cmd->resp[0]);
+- break;
+- case RESP_R5:
+- msdc_dump_io_resp(host, cmd->resp[0]);
+- break;
+- case RESP_R6:
+- msdc_dump_rca_resp(host, cmd->resp[0]);
+- break;
+- }
+- }
+- break;
+- }
+-#endif
+-
+- /* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */
+-
+- if (!tune)
+- return cmd->error;
+-
+- /* memory card CRC */
+- if (host->hw->flags & MSDC_REMOVABLE && cmd->error == -EIO) {
+- /* check if has data phase */
+- if (readl(host->base + SDC_CMD) & 0x1800) {
+- msdc_abort_data(host);
+- } else {
+- /* do basic: reset*/
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+- msdc_clr_int();
+- }
+- cmd->error = msdc_tune_cmdrsp(host, cmd);
+- }
+-
+- // check DAT0
+- /* if (resp == RESP_R1B) {
+- while ((readl(host->base + MSDC_PS) & 0x10000) != 0x10000);
+- } */
+- /* CMD12 Error Handle */
+-
+- return cmd->error;
+-}
+-
+-static unsigned int msdc_do_command(struct msdc_host *host,
+- struct mmc_command *cmd,
+- int tune,
+- unsigned long timeout)
+-{
+- if (msdc_command_start(host, cmd, timeout))
+- goto end;
+-
+- if (msdc_command_resp(host, cmd, tune, timeout))
+- goto end;
+-
+-end:
+-
+- N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]);
+- return cmd->error;
+-}
+-
+-#if 0 /* --- by chhung */
+-// DMA resume / start / stop
+-static void msdc_dma_resume(struct msdc_host *host)
+-{
+- sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_RESUME, 1);
+-
+- N_MSG(DMA, "DMA resume");
+-}
+-#endif /* end of --- */
+-
+-static void msdc_dma_start(struct msdc_host *host)
+-{
+- u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR;
+-
+- sdr_set_bits(host->base + MSDC_INTEN, wints);
+- //dsb(); /* --- by chhung */
+- sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1);
+-
+- N_MSG(DMA, "DMA start");
+-}
+-
+-static void msdc_dma_stop(struct msdc_host *host)
+-{
+- //u32 retries=500;
+- u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR;
+-
+- N_MSG(DMA, "DMA status: 0x%.8x", readl(host->base + MSDC_DMA_CFG));
+- //while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS);
+-
+- sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1);
+- while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS)
+- ;
+-
+- //dsb(); /* --- by chhung */
+- sdr_clr_bits(host->base + MSDC_INTEN, wints); /* Not just xfer_comp */
+-
+- N_MSG(DMA, "DMA stop");
+-}
+-
+-/* calc checksum */
+-static u8 msdc_dma_calcs(u8 *buf, u32 len)
+-{
+- u32 i, sum = 0;
+-
+- for (i = 0; i < len; i++)
+- sum += buf[i];
+- return 0xFF - (u8)sum;
+-}
+-
+-static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
+- struct scatterlist *sg_cmd, unsigned int sglen)
+-{
+- struct scatterlist *sg;
+- struct gpd *gpd;
+- struct bd *bd;
+- u32 j;
+-
+- BUG_ON(sglen > MAX_BD_NUM); /* not support currently */
+-
+- N_MSG(DMA, "DMA sglen<%d> xfersz<%d>", sglen, host->xfer_size);
+-
+- gpd = dma->gpd;
+- bd = dma->bd;
+-
+- /* modify gpd*/
+- //gpd->intr = 0;
+- gpd->hwo = 1; /* hw will clear it */
+- gpd->bdp = 1;
+- gpd->chksum = 0; /* need to clear first. */
+- gpd->chksum = msdc_dma_calcs((u8 *)gpd, 16);
+-
+- /* modify bd*/
+- for_each_sg(sg_cmd, sg, sglen, j) {
+- bd[j].blkpad = 0;
+- bd[j].dwpad = 0;
+- bd[j].ptr = (void *)sg_dma_address(sg);
+- bd[j].buflen = sg_dma_len(sg);
+-
+- if (j == sglen - 1)
+- bd[j].eol = 1; /* the last bd */
+- else
+- bd[j].eol = 0;
+-
+- bd[j].chksum = 0; /* checksume need to clear first */
+- bd[j].chksum = msdc_dma_calcs((u8 *)(&bd[j]), 16);
+- }
+-
+- sdr_set_field(host->base + MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, 1);
+- sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ,
+- MSDC_BRUST_64B);
+- sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1);
+-
+- writel(PHYSADDR((u32)dma->gpd_addr), host->base + MSDC_DMA_SA);
+-
+- N_MSG(DMA, "DMA_CTRL = 0x%x", readl(host->base + MSDC_DMA_CTRL));
+- N_MSG(DMA, "DMA_CFG = 0x%x", readl(host->base + MSDC_DMA_CFG));
+- N_MSG(DMA, "DMA_SA = 0x%x", readl(host->base + MSDC_DMA_SA));
+-}
+-
+-static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
+- __must_hold(&host->lock)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- struct mmc_command *cmd;
+- struct mmc_data *data;
+- //u32 intsts = 0;
+- int read = 1, send_type = 0;
+-
+-#define SND_DAT 0
+-#define SND_CMD 1
+-
+- BUG_ON(mmc == NULL);
+- BUG_ON(mrq == NULL);
+-
+- host->error = 0;
+-
+- cmd = mrq->cmd;
+- data = mrq->cmd->data;
+-
+-#if 0 /* --- by chhung */
+- //if(host->id ==1){
+- N_MSG(OPS, "enable clock!");
+- msdc_ungate_clock(host->id);
+- //}
+-#endif /* end of --- */
+-
+- if (!data) {
+- send_type = SND_CMD;
+- if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0)
+- goto done;
+- } else {
+- BUG_ON(data->blksz > HOST_MAX_BLKSZ);
+- send_type = SND_DAT;
+-
+- data->error = 0;
+- read = data->flags & MMC_DATA_READ ? 1 : 0;
+- host->data = data;
+- host->xfer_size = data->blocks * data->blksz;
+- host->blksz = data->blksz;
+-
+- if (read) {
+- if ((host->timeout_ns != data->timeout_ns) ||
+- (host->timeout_clks != data->timeout_clks)) {
+- msdc_set_timeout(host, data->timeout_ns, data->timeout_clks);
+- }
+- }
+-
+- writel(data->blocks, host->base + SDC_BLK_NUM);
+- //msdc_clr_fifo(host); /* no need */
+-
+- msdc_dma_on(); /* enable DMA mode first!! */
+- init_completion(&host->xfer_done);
+-
+- /* start the command first*/
+- if (msdc_command_start(host, cmd, CMD_TIMEOUT) != 0)
+- goto done;
+-
+- data->sg_count = dma_map_sg(mmc_dev(mmc), data->sg,
+- data->sg_len,
+- mmc_get_dma_dir(data));
+- msdc_dma_setup(host, &host->dma, data->sg,
+- data->sg_count);
+-
+- /* then wait command done */
+- if (msdc_command_resp(host, cmd, 1, CMD_TIMEOUT) != 0)
+- goto done;
+-
+- /* for read, the data coming too fast, then CRC error
+- start DMA no business with CRC. */
+- //init_completion(&host->xfer_done);
+- msdc_dma_start(host);
+-
+- spin_unlock(&host->lock);
+- if (!wait_for_completion_timeout(&host->xfer_done, DAT_TIMEOUT)) {
+- ERR_MSG("XXX CMD<%d> wait xfer_done<%d> timeout!!", cmd->opcode, data->blocks * data->blksz);
+- ERR_MSG(" DMA_SA = 0x%x",
+- readl(host->base + MSDC_DMA_SA));
+- ERR_MSG(" DMA_CA = 0x%x",
+- readl(host->base + MSDC_DMA_CA));
+- ERR_MSG(" DMA_CTRL = 0x%x",
+- readl(host->base + MSDC_DMA_CTRL));
+- ERR_MSG(" DMA_CFG = 0x%x",
+- readl(host->base + MSDC_DMA_CFG));
+- data->error = -ETIMEDOUT;
+-
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+- msdc_clr_int();
+- }
+- spin_lock(&host->lock);
+- msdc_dma_stop(host);
+-
+- /* Last: stop transfer */
+- if (data->stop) {
+- if (msdc_do_command(host, data->stop, 0, CMD_TIMEOUT) != 0)
+- goto done;
+- }
+- }
+-
+-done:
+- if (data != NULL) {
+- host->data = NULL;
+- dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
+- mmc_get_dma_dir(data));
+- host->blksz = 0;
+-
+-#if 0 // don't stop twice!
+- if (host->hw->flags & MSDC_REMOVABLE && data->error) {
+- msdc_abort_data(host);
+- /* reset in IRQ, stop command has issued. -> No need */
+- }
+-#endif
+-
+- N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>", cmd->opcode, (dma ? "dma" : "pio"),
+- (read ? "read " : "write"), data->blksz, data->blocks, data->error);
+- }
+-
+-#if 0 /* --- by chhung */
+-#if 1
+- //if(host->id==1) {
+- if (send_type == SND_CMD) {
+- if (cmd->opcode == MMC_SEND_STATUS) {
+- if ((cmd->resp[0] & CARD_READY_FOR_DATA) || (CARD_CURRENT_STATE(cmd->resp[0]) != 7)) {
+- N_MSG(OPS, "disable clock, CMD13 IDLE");
+- msdc_gate_clock(host->id);
+- }
+- } else {
+- N_MSG(OPS, "disable clock, CMD<%d>", cmd->opcode);
+- msdc_gate_clock(host->id);
+- }
+- } else {
+- if (read) {
+- N_MSG(OPS, "disable clock!!! Read CMD<%d>", cmd->opcode);
+- msdc_gate_clock(host->id);
+- }
+- }
+- //}
+-#else
+- msdc_gate_clock(host->id);
+-#endif
+-#endif /* end of --- */
+-
+- if (mrq->cmd->error)
+- host->error = 0x001;
+- if (mrq->data && mrq->data->error)
+- host->error |= 0x010;
+- if (mrq->stop && mrq->stop->error)
+- host->error |= 0x100;
+-
+- //if (host->error) ERR_MSG("host->error<%d>", host->error);
+-
+- return host->error;
+-}
+-
+-static int msdc_app_cmd(struct mmc_host *mmc, struct msdc_host *host)
+-{
+- struct mmc_command cmd;
+- struct mmc_request mrq;
+- u32 err;
+-
+- memset(&cmd, 0, sizeof(struct mmc_command));
+- cmd.opcode = MMC_APP_CMD;
+-#if 0 /* bug: we meet mmc->card is null when ACMD6 */
+- cmd.arg = mmc->card->rca << 16;
+-#else
+- cmd.arg = host->app_cmd_arg;
+-#endif
+- cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
+-
+- memset(&mrq, 0, sizeof(struct mmc_request));
+- mrq.cmd = &cmd; cmd.mrq = &mrq;
+- cmd.data = NULL;
+-
+- err = msdc_do_command(host, &cmd, 0, CMD_TIMEOUT);
+- return err;
+-}
+-
+-static int msdc_tune_cmdrsp(struct msdc_host *host, struct mmc_command *cmd)
+-{
+- int result = -1;
+- u32 rsmpl, cur_rsmpl, orig_rsmpl;
+- u32 rrdly, cur_rrdly = 0xffffffff, orig_rrdly;
+- u32 skip = 1;
+-
+- /* ==== don't support 3.0 now ====
+- 1: R_SMPL[1]
+- 2: PAD_CMD_RESP_RXDLY[26:22]
+- ==========================*/
+-
+- // save the previous tune result
+- sdr_get_field(host->base + MSDC_IOCON, MSDC_IOCON_RSPL, &orig_rsmpl);
+- sdr_get_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY,
+- &orig_rrdly);
+-
+- rrdly = 0;
+- do {
+- for (rsmpl = 0; rsmpl < 2; rsmpl++) {
+- /* Lv1: R_SMPL[1] */
+- cur_rsmpl = (orig_rsmpl + rsmpl) % 2;
+- if (skip == 1) {
+- skip = 0;
+- continue;
+- }
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_RSPL,
+- cur_rsmpl);
+-
+- if (host->app_cmd) {
+- result = msdc_app_cmd(host->mmc, host);
+- if (result) {
+- ERR_MSG("TUNE_CMD app_cmd<%d> failed: RESP_RXDLY<%d>,R_SMPL<%d>",
+- host->mrq->cmd->opcode, cur_rrdly, cur_rsmpl);
+- continue;
+- }
+- }
+- result = msdc_do_command(host, cmd, 0, CMD_TIMEOUT); // not tune.
+- ERR_MSG("TUNE_CMD<%d> %s PAD_CMD_RESP_RXDLY[26:22]<%d> R_SMPL[1]<%d>", cmd->opcode,
+- (result == 0) ? "PASS" : "FAIL", cur_rrdly, cur_rsmpl);
+-
+- if (result == 0)
+- return 0;
+- if (result != -EIO) {
+- ERR_MSG("TUNE_CMD<%d> Error<%d> not -EIO", cmd->opcode, result);
+- return result;
+- }
+-
+- /* should be EIO */
+- /* check if has data phase */
+- if (readl(host->base + SDC_CMD) & 0x1800)
+- msdc_abort_data(host);
+- }
+-
+- /* Lv2: PAD_CMD_RESP_RXDLY[26:22] */
+- cur_rrdly = (orig_rrdly + rrdly + 1) % 32;
+- sdr_set_field(host->base + MSDC_PAD_TUNE,
+- MSDC_PAD_TUNE_CMDRRDLY, cur_rrdly);
+- } while (++rrdly < 32);
+-
+- return result;
+-}
+-
+-/* Support SD2.0 Only */
+-static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- u32 ddr = 0;
+- u32 dcrc = 0;
+- u32 rxdly, cur_rxdly0, cur_rxdly1;
+- u32 dsmpl, cur_dsmpl, orig_dsmpl;
+- u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3;
+- u32 cur_dat4, cur_dat5, cur_dat6, cur_dat7;
+- u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3;
+- u32 orig_dat4, orig_dat5, orig_dat6, orig_dat7;
+- int result = -1;
+- u32 skip = 1;
+-
+- sdr_get_field(host->base + MSDC_IOCON, MSDC_IOCON_DSPL, &orig_dsmpl);
+-
+- /* Tune Method 2. */
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 1);
+-
+- rxdly = 0;
+- do {
+- for (dsmpl = 0; dsmpl < 2; dsmpl++) {
+- cur_dsmpl = (orig_dsmpl + dsmpl) % 2;
+- if (skip == 1) {
+- skip = 0;
+- continue;
+- }
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DSPL,
+- cur_dsmpl);
+-
+- if (host->app_cmd) {
+- result = msdc_app_cmd(host->mmc, host);
+- if (result) {
+- ERR_MSG("TUNE_BREAD app_cmd<%d> failed", host->mrq->cmd->opcode);
+- continue;
+- }
+- }
+- result = msdc_do_request(mmc, mrq);
+-
+- sdr_get_field(host->base + SDC_DCRC_STS,
+- SDC_DCRC_STS_POS | SDC_DCRC_STS_NEG,
+- &dcrc); /* RO */
+- if (!ddr)
+- dcrc &= ~SDC_DCRC_STS_NEG;
+- ERR_MSG("TUNE_BREAD<%s> dcrc<0x%x> DATRDDLY0/1<0x%x><0x%x> dsmpl<0x%x>",
+- (result == 0 && dcrc == 0) ? "PASS" : "FAIL", dcrc,
+- readl(host->base + MSDC_DAT_RDDLY0),
+- readl(host->base + MSDC_DAT_RDDLY1), cur_dsmpl);
+-
+- /* Fix me: result is 0, but dcrc is still exist */
+- if (result == 0 && dcrc == 0) {
+- goto done;
+- } else {
+- /* there is a case: command timeout, and data phase not processed */
+- if (mrq->data->error != 0 &&
+- mrq->data->error != -EIO) {
+- ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
+- result, mrq->cmd->error, mrq->data->error);
+- goto done;
+- }
+- }
+- }
+-
+- cur_rxdly0 = readl(host->base + MSDC_DAT_RDDLY0);
+- cur_rxdly1 = readl(host->base + MSDC_DAT_RDDLY1);
+-
+- /* E1 ECO. YD: Reverse */
+- if (readl(host->base + MSDC_ECO_VER) >= 4) {
+- orig_dat0 = (cur_rxdly0 >> 24) & 0x1F;
+- orig_dat1 = (cur_rxdly0 >> 16) & 0x1F;
+- orig_dat2 = (cur_rxdly0 >> 8) & 0x1F;
+- orig_dat3 = (cur_rxdly0 >> 0) & 0x1F;
+- orig_dat4 = (cur_rxdly1 >> 24) & 0x1F;
+- orig_dat5 = (cur_rxdly1 >> 16) & 0x1F;
+- orig_dat6 = (cur_rxdly1 >> 8) & 0x1F;
+- orig_dat7 = (cur_rxdly1 >> 0) & 0x1F;
+- } else {
+- orig_dat0 = (cur_rxdly0 >> 0) & 0x1F;
+- orig_dat1 = (cur_rxdly0 >> 8) & 0x1F;
+- orig_dat2 = (cur_rxdly0 >> 16) & 0x1F;
+- orig_dat3 = (cur_rxdly0 >> 24) & 0x1F;
+- orig_dat4 = (cur_rxdly1 >> 0) & 0x1F;
+- orig_dat5 = (cur_rxdly1 >> 8) & 0x1F;
+- orig_dat6 = (cur_rxdly1 >> 16) & 0x1F;
+- orig_dat7 = (cur_rxdly1 >> 24) & 0x1F;
+- }
+-
+- if (ddr) {
+- cur_dat0 = (dcrc & (1 << 0) || dcrc & (1 << 8)) ? ((orig_dat0 + 1) % 32) : orig_dat0;
+- cur_dat1 = (dcrc & (1 << 1) || dcrc & (1 << 9)) ? ((orig_dat1 + 1) % 32) : orig_dat1;
+- cur_dat2 = (dcrc & (1 << 2) || dcrc & (1 << 10)) ? ((orig_dat2 + 1) % 32) : orig_dat2;
+- cur_dat3 = (dcrc & (1 << 3) || dcrc & (1 << 11)) ? ((orig_dat3 + 1) % 32) : orig_dat3;
+- } else {
+- cur_dat0 = (dcrc & (1 << 0)) ? ((orig_dat0 + 1) % 32) : orig_dat0;
+- cur_dat1 = (dcrc & (1 << 1)) ? ((orig_dat1 + 1) % 32) : orig_dat1;
+- cur_dat2 = (dcrc & (1 << 2)) ? ((orig_dat2 + 1) % 32) : orig_dat2;
+- cur_dat3 = (dcrc & (1 << 3)) ? ((orig_dat3 + 1) % 32) : orig_dat3;
+- }
+- cur_dat4 = (dcrc & (1 << 4)) ? ((orig_dat4 + 1) % 32) : orig_dat4;
+- cur_dat5 = (dcrc & (1 << 5)) ? ((orig_dat5 + 1) % 32) : orig_dat5;
+- cur_dat6 = (dcrc & (1 << 6)) ? ((orig_dat6 + 1) % 32) : orig_dat6;
+- cur_dat7 = (dcrc & (1 << 7)) ? ((orig_dat7 + 1) % 32) : orig_dat7;
+-
+- cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0);
+- cur_rxdly1 = (cur_dat4 << 24) | (cur_dat5 << 16) | (cur_dat6 << 8) | (cur_dat7 << 0);
+-
+- writel(cur_rxdly0, host->base + MSDC_DAT_RDDLY0);
+- writel(cur_rxdly1, host->base + MSDC_DAT_RDDLY1);
+-
+- } while (++rxdly < 32);
+-
+-done:
+- return result;
+-}
+-
+-static int msdc_tune_bwrite(struct mmc_host *mmc, struct mmc_request *mrq)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+-
+- u32 wrrdly, cur_wrrdly = 0xffffffff, orig_wrrdly;
+- u32 dsmpl, cur_dsmpl, orig_dsmpl;
+- u32 rxdly, cur_rxdly0;
+- u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3;
+- u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3;
+- int result = -1;
+- u32 skip = 1;
+-
+- // MSDC_IOCON_DDR50CKD need to check. [Fix me]
+-
+- sdr_get_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY,
+- &orig_wrrdly);
+- sdr_get_field(host->base + MSDC_IOCON, MSDC_IOCON_DSPL, &orig_dsmpl);
+-
+- /* Tune Method 2. just DAT0 */
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 1);
+- cur_rxdly0 = readl(host->base + MSDC_DAT_RDDLY0);
+-
+- /* E1 ECO. YD: Reverse */
+- if (readl(host->base + MSDC_ECO_VER) >= 4) {
+- orig_dat0 = (cur_rxdly0 >> 24) & 0x1F;
+- orig_dat1 = (cur_rxdly0 >> 16) & 0x1F;
+- orig_dat2 = (cur_rxdly0 >> 8) & 0x1F;
+- orig_dat3 = (cur_rxdly0 >> 0) & 0x1F;
+- } else {
+- orig_dat0 = (cur_rxdly0 >> 0) & 0x1F;
+- orig_dat1 = (cur_rxdly0 >> 8) & 0x1F;
+- orig_dat2 = (cur_rxdly0 >> 16) & 0x1F;
+- orig_dat3 = (cur_rxdly0 >> 24) & 0x1F;
+- }
+-
+- rxdly = 0;
+- do {
+- wrrdly = 0;
+- do {
+- for (dsmpl = 0; dsmpl < 2; dsmpl++) {
+- cur_dsmpl = (orig_dsmpl + dsmpl) % 2;
+- if (skip == 1) {
+- skip = 0;
+- continue;
+- }
+- sdr_set_field(host->base + MSDC_IOCON,
+- MSDC_IOCON_DSPL, cur_dsmpl);
+-
+- if (host->app_cmd) {
+- result = msdc_app_cmd(host->mmc, host);
+- if (result) {
+- ERR_MSG("TUNE_BWRITE app_cmd<%d> failed", host->mrq->cmd->opcode);
+- continue;
+- }
+- }
+- result = msdc_do_request(mmc, mrq);
+-
+- ERR_MSG("TUNE_BWRITE<%s> DSPL<%d> DATWRDLY<%d> MSDC_DAT_RDDLY0<0x%x>",
+- result == 0 ? "PASS" : "FAIL",
+- cur_dsmpl, cur_wrrdly, cur_rxdly0);
+-
+- if (result == 0) {
+- goto done;
+- } else {
+- /* there is a case: command timeout, and data phase not processed */
+- if (mrq->data->error != -EIO) {
+- ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>",
+- result, mrq->cmd->error, mrq->data->error);
+- goto done;
+- }
+- }
+- }
+- cur_wrrdly = (orig_wrrdly + wrrdly + 1) % 32;
+- sdr_set_field(host->base + MSDC_PAD_TUNE,
+- MSDC_PAD_TUNE_DATWRDLY, cur_wrrdly);
+- } while (++wrrdly < 32);
+-
+- cur_dat0 = (orig_dat0 + rxdly) % 32; /* only adjust bit-1 for crc */
+- cur_dat1 = orig_dat1;
+- cur_dat2 = orig_dat2;
+- cur_dat3 = orig_dat3;
+-
+- cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0);
+- writel(cur_rxdly0, host->base + MSDC_DAT_RDDLY0);
+- } while (++rxdly < 32);
+-
+-done:
+- return result;
+-}
+-
+-static int msdc_get_card_status(struct mmc_host *mmc, struct msdc_host *host, u32 *status)
+-{
+- struct mmc_command cmd;
+- struct mmc_request mrq;
+- u32 err;
+-
+- memset(&cmd, 0, sizeof(struct mmc_command));
+- cmd.opcode = MMC_SEND_STATUS;
+- if (mmc->card) {
+- cmd.arg = mmc->card->rca << 16;
+- } else {
+- ERR_MSG("cmd13 mmc card is null");
+- cmd.arg = host->app_cmd_arg;
+- }
+- cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC;
+-
+- memset(&mrq, 0, sizeof(struct mmc_request));
+- mrq.cmd = &cmd; cmd.mrq = &mrq;
+- cmd.data = NULL;
+-
+- err = msdc_do_command(host, &cmd, 1, CMD_TIMEOUT);
+-
+- if (status)
+- *status = cmd.resp[0];
+-
+- return err;
+-}
+-
+-static int msdc_check_busy(struct mmc_host *mmc, struct msdc_host *host)
+-{
+- u32 err = 0;
+- u32 status = 0;
+-
+- do {
+- err = msdc_get_card_status(mmc, host, &status);
+- if (err)
+- return err;
+- /* need cmd12? */
+- ERR_MSG("cmd<13> resp<0x%x>", status);
+- } while (R1_CURRENT_STATE(status) == 7);
+-
+- return err;
+-}
+-
+-/* failed when msdc_do_request */
+-static int msdc_tune_request(struct mmc_host *mmc, struct mmc_request *mrq)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- struct mmc_data *data;
+- //u32 base = host->base;
+- int ret = 0, read;
+-
+- data = mrq->cmd->data;
+-
+- read = data->flags & MMC_DATA_READ ? 1 : 0;
+-
+- if (read) {
+- if (data->error == -EIO)
+- ret = msdc_tune_bread(mmc, mrq);
+- } else {
+- ret = msdc_check_busy(mmc, host);
+- if (ret) {
+- ERR_MSG("XXX cmd13 wait program done failed");
+- return ret;
+- }
+- /* CRC and TO */
+- /* Fix me: don't care card status? */
+- ret = msdc_tune_bwrite(mmc, mrq);
+- }
+-
+- return ret;
+-}
+-
+-/* ops.request */
+-static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+-
+- //=== for sdio profile ===
+-#if 0 /* --- by chhung */
+- u32 old_H32, old_L32, new_H32, new_L32;
+- u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0;
+-#endif /* end of --- */
+-
+- WARN_ON(host->mrq);
+-
+- /* start to process */
+- spin_lock(&host->lock);
+-#if 0 /* --- by chhung */
+- if (sdio_pro_enable) { //=== for sdio profile ===
+- if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53)
+- GPT_GetCounter64(&old_L32, &old_H32);
+- }
+-#endif /* end of --- */
+-
+- host->mrq = mrq;
+-
+- if (msdc_do_request(mmc, mrq)) {
+- if (host->hw->flags & MSDC_REMOVABLE && ralink_soc == MT762X_SOC_MT7621AT && mrq->data && mrq->data->error)
+- msdc_tune_request(mmc, mrq);
+- }
+-
+- /* ==== when request done, check if app_cmd ==== */
+- if (mrq->cmd->opcode == MMC_APP_CMD) {
+- host->app_cmd = 1;
+- host->app_cmd_arg = mrq->cmd->arg; /* save the RCA */
+- } else {
+- host->app_cmd = 0;
+- //host->app_cmd_arg = 0;
+- }
+-
+- host->mrq = NULL;
+-
+-#if 0 /* --- by chhung */
+- //=== for sdio profile ===
+- if (sdio_pro_enable) {
+- if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
+- GPT_GetCounter64(&new_L32, &new_H32);
+- ticks = msdc_time_calc(old_L32, old_H32, new_L32, new_H32);
+-
+- opcode = mrq->cmd->opcode;
+- if (mrq->cmd->data) {
+- sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz;
+- bRx = mrq->cmd->data->flags & MMC_DATA_READ ? 1 : 0;
+- } else {
+- bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0;
+- }
+-
+- if (!mrq->cmd->error)
+- msdc_performance(opcode, sizes, bRx, ticks);
+- }
+- }
+-#endif /* end of --- */
+- spin_unlock(&host->lock);
+-
+- mmc_request_done(mmc, mrq);
+-
+- return;
+-}
+-
+-/* called by ops.set_ios */
+-static void msdc_set_buswidth(struct msdc_host *host, u32 width)
+-{
+- u32 val = readl(host->base + SDC_CFG);
+-
+- val &= ~SDC_CFG_BUSWIDTH;
+-
+- switch (width) {
+- default:
+- case MMC_BUS_WIDTH_1:
+- width = 1;
+- val |= (MSDC_BUS_1BITS << 16);
+- break;
+- case MMC_BUS_WIDTH_4:
+- val |= (MSDC_BUS_4BITS << 16);
+- break;
+- case MMC_BUS_WIDTH_8:
+- val |= (MSDC_BUS_8BITS << 16);
+- break;
+- }
+-
+- writel(val, host->base + SDC_CFG);
+-
+- N_MSG(CFG, "Bus Width = %d", width);
+-}
+-
+-/* ops.set_ios */
+-static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- u32 ddr = 0;
+-
+-#ifdef MT6575_SD_DEBUG
+- static char *vdd[] = {
+- "1.50v", "1.55v", "1.60v", "1.65v", "1.70v", "1.80v", "1.90v",
+- "2.00v", "2.10v", "2.20v", "2.30v", "2.40v", "2.50v", "2.60v",
+- "2.70v", "2.80v", "2.90v", "3.00v", "3.10v", "3.20v", "3.30v",
+- "3.40v", "3.50v", "3.60v"
+- };
+- static char *power_mode[] = {
+- "OFF", "UP", "ON"
+- };
+- static char *bus_mode[] = {
+- "UNKNOWN", "OPENDRAIN", "PUSHPULL"
+- };
+- static char *timing[] = {
+- "LEGACY", "MMC_HS", "SD_HS"
+- };
+-
+- printk("SET_IOS: CLK(%dkHz), BUS(%s), BW(%u), PWR(%s), VDD(%s), TIMING(%s)",
+- ios->clock / 1000, bus_mode[ios->bus_mode],
+- (ios->bus_width == MMC_BUS_WIDTH_4) ? 4 : 1,
+- power_mode[ios->power_mode], vdd[ios->vdd], timing[ios->timing]);
+-#endif
+-
+- msdc_set_buswidth(host, ios->bus_width);
+-
+- /* Power control ??? */
+- switch (ios->power_mode) {
+- case MMC_POWER_OFF:
+- case MMC_POWER_UP:
+- // msdc_set_power_mode(host, ios->power_mode); /* --- by chhung */
+- break;
+- case MMC_POWER_ON:
+- host->power_mode = MMC_POWER_ON;
+- break;
+- default:
+- break;
+- }
+-
+- /* Clock control */
+- if (host->mclk != ios->clock) {
+- if (ios->clock > 25000000) {
+- //if (!(host->hw->flags & MSDC_REMOVABLE)) {
+- INIT_MSG("SD data latch edge<%d>", MSDC_SMPL_FALLING);
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_RSPL,
+- MSDC_SMPL_FALLING);
+- sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DSPL,
+- MSDC_SMPL_FALLING);
+- //} /* for tuning debug */
+- } else { /* default value */
+- writel(0x00000000, host->base + MSDC_IOCON);
+- // writel(0x00000000, host->base + MSDC_DAT_RDDLY0);
+-
+- // for MT7620 E2 and afterward
+- writel(0x10101010, host->base + MSDC_DAT_RDDLY0);
+-
+- writel(0x00000000, host->base + MSDC_DAT_RDDLY1);
+- // writel(0x00000000, host->base + MSDC_PAD_TUNE);
+-
+- // for MT7620 E2 and afterward
+- writel(0x84101010, host->base + MSDC_PAD_TUNE);
+- }
+- msdc_set_mclk(host, ddr, ios->clock);
+- }
+-}
+-
+-/* ops.get_ro */
+-static int msdc_ops_get_ro(struct mmc_host *mmc)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- unsigned long flags;
+- int ro = 0;
+-
+- if (host->hw->flags & MSDC_WP_PIN_EN) { /* set for card */
+- spin_lock_irqsave(&host->lock, flags);
+- ro = (readl(host->base + MSDC_PS) >> 31);
+- spin_unlock_irqrestore(&host->lock, flags);
+- }
+- return ro;
+-}
+-
+-/* ops.get_cd */
+-static int msdc_ops_get_cd(struct mmc_host *mmc)
+-{
+- struct msdc_host *host = mmc_priv(mmc);
+- unsigned long flags;
+- int present = 1;
+-
+- /* for sdio, MSDC_REMOVABLE not set, always return 1 */
+- if (!(host->hw->flags & MSDC_REMOVABLE)) {
+- /* For sdio, read H/W always get<1>, but may timeout some times */
+-#if 1
+- host->card_inserted = 1;
+- return 1;
+-#else
+- host->card_inserted = (host->pm_state.event == PM_EVENT_USER_RESUME) ? 1 : 0;
+- INIT_MSG("sdio ops_get_cd<%d>", host->card_inserted);
+- return host->card_inserted;
+-#endif
+- }
+-
+- /* MSDC_CD_PIN_EN set for card */
+- if (host->hw->flags & MSDC_CD_PIN_EN) {
+- spin_lock_irqsave(&host->lock, flags);
+-#if 0
+- present = host->card_inserted; /* why not read from H/W: Fix me*/
+-#else
+- // CD
+- present = readl(host->base + MSDC_PS) & MSDC_PS_CDSTS;
+- if (cd_active_low)
+- present = present ? 0 : 1;
+- else
+- present = present ? 1 : 0;
+- host->card_inserted = present;
+-#endif
+- spin_unlock_irqrestore(&host->lock, flags);
+- } else {
+- present = 0; /* TODO? Check DAT3 pins for card detection */
+- }
+-
+- INIT_MSG("ops_get_cd return<%d>", present);
+- return present;
+-}
+-
+-static struct mmc_host_ops mt_msdc_ops = {
+- .request = msdc_ops_request,
+- .set_ios = msdc_ops_set_ios,
+- .get_ro = msdc_ops_get_ro,
+- .get_cd = msdc_ops_get_cd,
+-};
+-
+-/*--------------------------------------------------------------------------*/
+-/* interrupt handler */
+-/*--------------------------------------------------------------------------*/
+-static irqreturn_t msdc_irq(int irq, void *dev_id)
+-{
+- struct msdc_host *host = (struct msdc_host *)dev_id;
+- struct mmc_data *data = host->data;
+- struct mmc_command *cmd = host->cmd;
+-
+- u32 cmdsts = MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | MSDC_INT_CMDRDY |
+- MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | MSDC_INT_ACMDRDY |
+- MSDC_INT_ACMD19_DONE;
+- u32 datsts = MSDC_INT_DATCRCERR | MSDC_INT_DATTMO;
+-
+- u32 intsts = readl(host->base + MSDC_INT);
+- u32 inten = readl(host->base + MSDC_INTEN); inten &= intsts;
+-
+- writel(intsts, host->base + MSDC_INT); /* clear interrupts */
+- /* MSG will cause fatal error */
+-
+- /* card change interrupt */
+- if (intsts & MSDC_INT_CDSC) {
+- if (host->mmc->caps & MMC_CAP_NEEDS_POLL)
+- return IRQ_HANDLED;
+- IRQ_MSG("MSDC_INT_CDSC irq<0x%.8x>", intsts);
+- schedule_delayed_work(&host->card_delaywork, HZ);
+- /* tuning when plug card ? */
+- }
+-
+- /* sdio interrupt */
+- if (intsts & MSDC_INT_SDIOIRQ) {
+- IRQ_MSG("XXX MSDC_INT_SDIOIRQ"); /* seems not sdio irq */
+- //mmc_signal_sdio_irq(host->mmc);
+- }
+-
+- /* transfer complete interrupt */
+- if (data != NULL) {
+- if (inten & MSDC_INT_XFER_COMPL) {
+- data->bytes_xfered = host->xfer_size;
+- complete(&host->xfer_done);
+- }
+-
+- if (intsts & datsts) {
+- /* do basic reset, or stop command will sdc_busy */
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+- msdc_clr_int();
+-
+- if (intsts & MSDC_INT_DATTMO) {
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_DATTMO", host->mrq->cmd->opcode);
+- data->error = -ETIMEDOUT;
+- } else if (intsts & MSDC_INT_DATCRCERR) {
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_DATCRCERR, SDC_DCRC_STS<0x%x>", host->mrq->cmd->opcode, readl(host->base + SDC_DCRC_STS));
+- data->error = -EIO;
+- }
+-
+- //if(readl(MSDC_INTEN) & MSDC_INT_XFER_COMPL) {
+- complete(&host->xfer_done); /* Read CRC come fast, XFER_COMPL not enabled */
+- }
+- }
+-
+- /* command interrupts */
+- if ((cmd != NULL) && (intsts & cmdsts)) {
+- if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) ||
+- (intsts & MSDC_INT_ACMD19_DONE)) {
+- u32 *rsp = &cmd->resp[0];
+-
+- switch (host->cmd_rsp) {
+- case RESP_NONE:
+- break;
+- case RESP_R2:
+- *rsp++ = readl(host->base + SDC_RESP3);
+- *rsp++ = readl(host->base + SDC_RESP2);
+- *rsp++ = readl(host->base + SDC_RESP1);
+- *rsp++ = readl(host->base + SDC_RESP0);
+- break;
+- default: /* Response types 1, 3, 4, 5, 6, 7(1b) */
+- if ((intsts & MSDC_INT_ACMDRDY) || (intsts & MSDC_INT_ACMD19_DONE))
+- *rsp = readl(host->base + SDC_ACMD_RESP);
+- else
+- *rsp = readl(host->base + SDC_RESP0);
+- break;
+- }
+- } else if ((intsts & MSDC_INT_RSPCRCERR) || (intsts & MSDC_INT_ACMDCRCERR)) {
+- if (intsts & MSDC_INT_ACMDCRCERR)
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDCRCERR", cmd->opcode);
+- else
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_RSPCRCERR", cmd->opcode);
+- cmd->error = -EIO;
+- } else if ((intsts & MSDC_INT_CMDTMO) || (intsts & MSDC_INT_ACMDTMO)) {
+- if (intsts & MSDC_INT_ACMDTMO)
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDTMO", cmd->opcode);
+- else
+- IRQ_MSG("XXX CMD<%d> MSDC_INT_CMDTMO", cmd->opcode);
+- cmd->error = -ETIMEDOUT;
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+- msdc_clr_int();
+- }
+- complete(&host->cmd_done);
+- }
+-
+- /* mmc irq interrupts */
+- if (intsts & MSDC_INT_MMCIRQ)
+- printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n",
+- host->id, readl(host->base + SDC_CSTS));
+-
+-#ifdef MT6575_SD_DEBUG
+- {
+-/* msdc_int_reg *int_reg = (msdc_int_reg*)&intsts;*/
+- N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)",
+- intsts,
+- int_reg->mmcirq,
+- int_reg->cdsc,
+- int_reg->atocmdrdy,
+- int_reg->atocmdtmo,
+- int_reg->atocmdcrc,
+- int_reg->atocmd19done);
+- N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)",
+- intsts,
+- int_reg->sdioirq,
+- int_reg->cmdrdy,
+- int_reg->cmdtmo,
+- int_reg->rspcrc,
+- int_reg->csta);
+- N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)",
+- intsts,
+- int_reg->xfercomp,
+- int_reg->dxferdone,
+- int_reg->dattmo,
+- int_reg->datcrc,
+- int_reg->dmaqempty);
+- }
+-#endif
+-
+- return IRQ_HANDLED;
+-}
+-
+-/*--------------------------------------------------------------------------*/
+-/* platform_driver members */
+-/*--------------------------------------------------------------------------*/
+-/* called by msdc_drv_probe/remove */
+-static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
+-{
+- struct msdc_hw *hw = host->hw;
+-
+- /* for sdio, not set */
+- if ((hw->flags & MSDC_CD_PIN_EN) == 0) {
+- /* Pull down card detection pin since it is not avaiable */
+- /*
+- if (hw->config_gpio_pin)
+- hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN);
+- */
+- sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN);
+- sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_CDSC);
+- sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
+- return;
+- }
+-
+- N_MSG(CFG, "CD IRQ Enable(%d)", enable);
+-
+- if (enable) {
+- /* card detection circuit relies on the core power so that the core power
+- * shouldn't be turned off. Here adds a reference count to keep
+- * the core power alive.
+- */
+- //msdc_vcore_on(host); //did in msdc_init_hw()
+-
+- if (hw->config_gpio_pin) /* NULL */
+- hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_UP);
+-
+- sdr_set_field(host->base + MSDC_PS, MSDC_PS_CDDEBOUNCE,
+- DEFAULT_DEBOUNCE);
+- sdr_set_bits(host->base + MSDC_PS, MSDC_PS_CDEN);
+- sdr_set_bits(host->base + MSDC_INTEN, MSDC_INTEN_CDSC);
+-
+- /* not in document! Fix me */
+- sdr_set_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
+- } else {
+- if (hw->config_gpio_pin) /* NULL */
+- hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN);
+-
+- sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_INSWKUP);
+- sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN);
+- sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_CDSC);
+-
+- /* Here decreases a reference count to core power since card
+- * detection circuit is shutdown.
+- */
+- //msdc_vcore_off(host);
+- }
+-}
+-
+-/* called by msdc_drv_probe */
+-static void msdc_init_hw(struct msdc_host *host)
+-{
+-
+- /* Power on */
+-#if 0 /* --- by chhung */
+- msdc_vcore_on(host);
+- msdc_pin_reset(host, MSDC_PIN_PULL_UP);
+- msdc_select_clksrc(host, hw->clk_src);
+- enable_clock(PERI_MSDC0_PDN + host->id, "SD");
+- msdc_vdd_on(host);
+-#endif /* end of --- */
+- /* Configure to MMC/SD mode */
+- sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC);
+-
+- /* Reset */
+- msdc_reset_hw(host);
+- msdc_clr_fifo(host);
+-
+- /* Disable card detection */
+- sdr_clr_bits(host->base + MSDC_PS, MSDC_PS_CDEN);
+-
+- /* Disable and clear all interrupts */
+- sdr_clr_bits(host->base + MSDC_INTEN, readl(host->base + MSDC_INTEN));
+- writel(readl(host->base + MSDC_INT), host->base + MSDC_INT);
+-
+-#if 1
+- /* reset tuning parameter */
+- writel(0x00090000, host->base + MSDC_PAD_CTL0);
+- writel(0x000A0000, host->base + MSDC_PAD_CTL1);
+- writel(0x000A0000, host->base + MSDC_PAD_CTL2);
+- // writel( 0x00000000, host->base + MSDC_PAD_TUNE);
+-
+- // for MT7620 E2 and afterward
+- writel(0x84101010, host->base + MSDC_PAD_TUNE);
+-
+- // writel(0x00000000, host->base + MSDC_DAT_RDDLY0);
+-
+- // for MT7620 E2 and afterward
+- writel(0x10101010, host->base + MSDC_DAT_RDDLY0);
+-
+- writel(0x00000000, host->base + MSDC_DAT_RDDLY1);
+- writel(0x00000000, host->base + MSDC_IOCON);
+-#if 0 // use MT7620 default value: 0x403c004f
+- /* bit0 modified: Rx Data Clock Source: 1 -> 2.0*/
+- writel(0x003C000F, host->base + MSDC_PATCH_BIT0);
+-#endif
+-
+- if (readl(host->base + MSDC_ECO_VER) >= 4) {
+- if (host->id == 1) {
+- sdr_set_field(host->base + MSDC_PATCH_BIT1,
+- MSDC_PATCH_BIT1_WRDAT_CRCS, 1);
+- sdr_set_field(host->base + MSDC_PATCH_BIT1,
+- MSDC_PATCH_BIT1_CMD_RSP, 1);
+-
+- /* internal clock: latch read data */
+- sdr_set_bits(host->base + MSDC_PATCH_BIT0,
+- MSDC_PATCH_BIT_CKGEN_CK);
+- }
+- }
+-#endif
+-
+- /* for safety, should clear SDC_CFG.SDIO_INT_DET_EN & set SDC_CFG.SDIO in
+- pre-loader,uboot,kernel drivers. and SDC_CFG.SDIO_INT_DET_EN will be only
+- set when kernel driver wants to use SDIO bus interrupt */
+- /* Configure to enable SDIO mode. it's must otherwise sdio cmd5 failed */
+- sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO);
+-
+- /* disable detect SDIO device interupt function */
+- sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
+-
+- /* eneable SMT for glitch filter */
+- sdr_set_bits(host->base + MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKSMT);
+- sdr_set_bits(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDSMT);
+- sdr_set_bits(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATSMT);
+-
+-#if 1
+- /* set clk, cmd, dat pad driving */
+- sdr_set_field(host->base + MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 4);
+- sdr_set_field(host->base + MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 4);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, 4);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, 4);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, 4);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, 4);
+-#else
+- sdr_set_field(host->base + MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, 0);
+- sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, 0);
+-#endif
+-
+- /* set sampling edge */
+-
+- /* write crc timeout detection */
+- sdr_set_field(host->base + MSDC_PATCH_BIT0, 1 << 30, 1);
+-
+- /* Configure to default data timeout */
+- sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, DEFAULT_DTOC);
+-
+- msdc_set_buswidth(host, MMC_BUS_WIDTH_1);
+-
+- N_MSG(FUC, "init hardware done!");
+-}
+-
+-/* called by msdc_drv_remove */
+-static void msdc_deinit_hw(struct msdc_host *host)
+-{
+- /* Disable and clear all interrupts */
+- sdr_clr_bits(host->base + MSDC_INTEN, readl(host->base + MSDC_INTEN));
+- writel(readl(host->base + MSDC_INT), host->base + MSDC_INT);
+-
+- /* Disable card detection */
+- msdc_enable_cd_irq(host, 0);
+- // msdc_set_power_mode(host, MMC_POWER_OFF); /* make sure power down */ /* --- by chhung */
+-}
+-
+-/* init gpd and bd list in msdc_drv_probe */
+-static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma)
+-{
+- struct gpd *gpd = dma->gpd;
+- struct bd *bd = dma->bd;
+- int i;
+-
+- /* we just support one gpd, but gpd->next must be set for desc
+- * DMA. That's why we alloc 2 gpd structurs.
+- */
+-
+- memset(gpd, 0, sizeof(struct gpd) * 2);
+-
+- gpd->bdp = 1; /* hwo, cs, bd pointer */
+- gpd->ptr = (void *)dma->bd_addr; /* physical address */
+- gpd->next = (void *)((u32)dma->gpd_addr + sizeof(struct gpd));
+-
+- memset(bd, 0, sizeof(struct bd) * MAX_BD_NUM);
+- for (i = 0; i < (MAX_BD_NUM - 1); i++)
+- bd[i].next = (void *)(dma->bd_addr + sizeof(*bd) * (i + 1));
+-}
+-
+-static int msdc_drv_probe(struct platform_device *pdev)
+-{
+- struct resource *res;
+- __iomem void *base;
+- struct mmc_host *mmc;
+- struct msdc_host *host;
+- struct msdc_hw *hw;
+- int ret;
+-
+- hw = &msdc0_hw;
+-
+- if (of_property_read_bool(pdev->dev.of_node, "mtk,wp-en"))
+- msdc0_hw.flags |= MSDC_WP_PIN_EN;
+-
+- /* Allocate MMC host for this device */
+- mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev);
+- if (!mmc)
+- return -ENOMEM;
+-
+- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+- base = devm_ioremap_resource(&pdev->dev, res);
+- if (IS_ERR(base)) {
+- ret = PTR_ERR(base);
+- goto host_free;
+- }
+-
+- /* Set host parameters to mmc */
+- mmc->ops = &mt_msdc_ops;
+- mmc->f_min = HOST_MIN_MCLK;
+- mmc->f_max = HOST_MAX_MCLK;
+- mmc->ocr_avail = MSDC_OCR_AVAIL;
+-
+- mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
+-
+- //TODO: read this as bus-width from dt (via mmc_of_parse)
+- mmc->caps |= MMC_CAP_4_BIT_DATA;
+-
+- cd_active_low = !of_property_read_bool(pdev->dev.of_node, "mediatek,cd-high");
+-
+- if (of_property_read_bool(pdev->dev.of_node, "mediatek,cd-poll"))
+- mmc->caps |= MMC_CAP_NEEDS_POLL;
+-
+- /* MMC core transfer sizes tunable parameters */
+- mmc->max_segs = MAX_HW_SGMTS;
+-
+- mmc->max_seg_size = MAX_SGMT_SZ;
+- mmc->max_blk_size = HOST_MAX_BLKSZ;
+- mmc->max_req_size = MAX_REQ_SZ;
+- mmc->max_blk_count = mmc->max_req_size;
+-
+- host = mmc_priv(mmc);
+- host->hw = hw;
+- host->mmc = mmc;
+- host->id = pdev->id;
+- if (host->id < 0 || host->id >= 4)
+- host->id = 0;
+- host->error = 0;
+-
+- host->irq = platform_get_irq(pdev, 0);
+- if (host->irq < 0) {
+- ret = -EINVAL;
+- goto host_free;
+- }
+-
+- host->base = base;
+- host->mclk = 0; /* mclk: the request clock of mmc sub-system */
+- host->hclk = hclks[hw->clk_src]; /* hclk: clock of clock source to msdc controller */
+- host->sclk = 0; /* sclk: the really clock after divition */
+- host->pm_state = PMSG_RESUME;
+- host->suspend = 0;
+- host->core_clkon = 0;
+- host->card_clkon = 0;
+- host->core_power = 0;
+- host->power_mode = MMC_POWER_OFF;
+-// host->card_inserted = hw->flags & MSDC_REMOVABLE ? 0 : 1;
+- host->timeout_ns = 0;
+- host->timeout_clks = DEFAULT_DTOC * 65536;
+-
+- host->mrq = NULL;
+- //init_MUTEX(&host->sem); /* we don't need to support multiple threads access */
+-
+- mmc_dev(mmc)->dma_mask = NULL;
+-
+- /* using dma_alloc_coherent*/ /* todo: using 1, for all 4 slots */
+- host->dma.gpd = dma_alloc_coherent(&pdev->dev,
+- MAX_GPD_NUM * sizeof(struct gpd),
+- &host->dma.gpd_addr, GFP_KERNEL);
+- host->dma.bd = dma_alloc_coherent(&pdev->dev,
+- MAX_BD_NUM * sizeof(struct bd),
+- &host->dma.bd_addr, GFP_KERNEL);
+- if (!host->dma.gpd || !host->dma.bd) {
+- ret = -ENOMEM;
+- goto release_mem;
+- }
+- msdc_init_gpd_bd(host, &host->dma);
+-
+- INIT_DELAYED_WORK(&host->card_delaywork, msdc_tasklet_card);
+- spin_lock_init(&host->lock);
+- msdc_init_hw(host);
+-
+- /* TODO check weather flags 0 is correct, the mtk-sd driver uses
+- * IRQF_TRIGGER_LOW | IRQF_ONESHOT for flags
+- *
+- * for flags 0 the trigger polarity is determined by the
+- * device tree, but not the oneshot flag, but maybe it is also
+- * not needed because the soc could be oneshot safe.
+- */
+- ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq, 0, pdev->name,
+- host);
+- if (ret)
+- goto release;
+-
+- platform_set_drvdata(pdev, mmc);
+-
+- ret = mmc_add_host(mmc);
+- if (ret)
+- goto release;
+-
+- /* Config card detection pin and enable interrupts */
+- if (hw->flags & MSDC_CD_PIN_EN) { /* set for card */
+- msdc_enable_cd_irq(host, 1);
+- } else {
+- msdc_enable_cd_irq(host, 0);
+- }
+-
+- return 0;
+-
+-release:
+- platform_set_drvdata(pdev, NULL);
+- msdc_deinit_hw(host);
+- cancel_delayed_work_sync(&host->card_delaywork);
+-
+-release_mem:
+- if (host->dma.gpd)
+- dma_free_coherent(&pdev->dev, MAX_GPD_NUM * sizeof(struct gpd),
+- host->dma.gpd, host->dma.gpd_addr);
+- if (host->dma.bd)
+- dma_free_coherent(&pdev->dev, MAX_BD_NUM * sizeof(struct bd),
+- host->dma.bd, host->dma.bd_addr);
+-host_free:
+- mmc_free_host(mmc);
+-
+- return ret;
+-}
+-
+-/* 4 device share one driver, using "drvdata" to show difference */
+-static int msdc_drv_remove(struct platform_device *pdev)
+-{
+- struct mmc_host *mmc;
+- struct msdc_host *host;
+-
+- mmc = platform_get_drvdata(pdev);
+- BUG_ON(!mmc);
+-
+- host = mmc_priv(mmc);
+- BUG_ON(!host);
+-
+- ERR_MSG("removed !!!");
+-
+- platform_set_drvdata(pdev, NULL);
+- mmc_remove_host(host->mmc);
+- msdc_deinit_hw(host);
+-
+- cancel_delayed_work_sync(&host->card_delaywork);
+-
+- dma_free_coherent(&pdev->dev, MAX_GPD_NUM * sizeof(struct gpd),
+- host->dma.gpd, host->dma.gpd_addr);
+- dma_free_coherent(&pdev->dev, MAX_BD_NUM * sizeof(struct bd),
+- host->dma.bd, host->dma.bd_addr);
+-
+- mmc_free_host(host->mmc);
+-
+- return 0;
+-}
+-
+-/* Fix me: Power Flow */
+-#ifdef CONFIG_PM
+-
+-static void msdc_drv_pm(struct platform_device *pdev, pm_message_t state)
+-{
+- struct mmc_host *mmc = platform_get_drvdata(pdev);
+- if (mmc) {
+- struct msdc_host *host = mmc_priv(mmc);
+- msdc_pm(state, (void *)host);
+- }
+-}
+-
+-static int msdc_drv_suspend(struct platform_device *pdev, pm_message_t state)
+-{
+- if (state.event == PM_EVENT_SUSPEND)
+- msdc_drv_pm(pdev, state);
+- return 0;
+-}
+-
+-static int msdc_drv_resume(struct platform_device *pdev)
+-{
+- struct pm_message state;
+-
+- state.event = PM_EVENT_RESUME;
+- msdc_drv_pm(pdev, state);
+- return 0;
+-}
+-#endif
+-
+-static const struct of_device_id mt7620_sdhci_match[] = {
+- { .compatible = "ralink,mt7620-sdhci" },
+- {},
+-};
+-MODULE_DEVICE_TABLE(of, mt7620_sdhci_match);
+-
+-static struct platform_driver mt_msdc_driver = {
+- .probe = msdc_drv_probe,
+- .remove = msdc_drv_remove,
+-#ifdef CONFIG_PM
+- .suspend = msdc_drv_suspend,
+- .resume = msdc_drv_resume,
+-#endif
+- .driver = {
+- .name = DRV_NAME,
+- .of_match_table = mt7620_sdhci_match,
+- },
+-};
+-
+-/*--------------------------------------------------------------------------*/
+-/* module init/exit */
+-/*--------------------------------------------------------------------------*/
+-static int __init mt_msdc_init(void)
+-{
+- int ret;
+- u32 reg;
+-
+- // Set the pins for sdxc to sdxc mode
+- //FIXME: this should be done by pinctl and not by the sd driver
+- reg = readl((void __iomem *)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3 << 18);
+- writel(reg, (void __iomem *)(RALINK_SYSCTL_BASE + 0x60));
+-
+- ret = platform_driver_register(&mt_msdc_driver);
+- if (ret) {
+- printk(KERN_ERR DRV_NAME ": Can't register driver");
+- return ret;
+- }
+-
+-#if defined(MT6575_SD_DEBUG)
+- msdc_debug_proc_init();
+-#endif
+- return 0;
+-}
+-
+-static void __exit mt_msdc_exit(void)
+-{
+- platform_driver_unregister(&mt_msdc_driver);
+-}
+-
+-module_init(mt_msdc_init);
+-module_exit(mt_msdc_exit);
+-MODULE_LICENSE("GPL");
+-MODULE_DESCRIPTION("MediaTek MT6575 SD/MMC Card Driver");
+-MODULE_AUTHOR("Infinity Chen <infinity.chen@mediatek.com>");
+diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
+index 8c577f0ae2bb3..b370144682ed5 100644
+--- a/drivers/xen/events/events_base.c
++++ b/drivers/xen/events/events_base.c
+@@ -1782,7 +1782,7 @@ static void lateeoi_ack_dynirq(struct irq_data *data)
+
+ if (VALID_EVTCHN(evtchn)) {
+ do_mask(info, EVT_MASK_REASON_EOI_PENDING);
+- event_handler_exit(info);
++ ack_dynirq(data);
+ }
+ }
+
+@@ -1793,7 +1793,7 @@ static void lateeoi_mask_ack_dynirq(struct irq_data *data)
+
+ if (VALID_EVTCHN(evtchn)) {
+ do_mask(info, EVT_MASK_REASON_EXPLICIT);
+- event_handler_exit(info);
++ ack_dynirq(data);
+ }
+ }
+
+diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
+index 22cd68bd8c9b0..3cc2237e58967 100644
+--- a/fs/gfs2/super.c
++++ b/fs/gfs2/super.c
+@@ -1000,11 +1000,13 @@ void gfs2_freeze_func(struct work_struct *work)
+ static int gfs2_freeze(struct super_block *sb)
+ {
+ struct gfs2_sbd *sdp = sb->s_fs_info;
+- int error = 0;
++ int error;
+
+ mutex_lock(&sdp->sd_freeze_mutex);
+- if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)
++ if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN) {
++ error = -EBUSY;
+ goto out;
++ }
+
+ if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {
+ error = -EINVAL;
+@@ -1046,10 +1048,10 @@ static int gfs2_unfreeze(struct super_block *sb)
+ struct gfs2_sbd *sdp = sb->s_fs_info;
+
+ mutex_lock(&sdp->sd_freeze_mutex);
+- if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
++ if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
+ !gfs2_holder_initialized(&sdp->sd_freeze_gh)) {
+ mutex_unlock(&sdp->sd_freeze_mutex);
+- return 0;
++ return -EINVAL;
+ }
+
+ gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);
+diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
+index 10d8f95eb7712..fba56cd958961 100644
+--- a/net/ipv4/netfilter/arp_tables.c
++++ b/net/ipv4/netfilter/arp_tables.c
+@@ -1195,6 +1195,8 @@ static int translate_compat_table(struct net *net,
+ if (!newinfo)
+ goto out_unlock;
+
++ memset(newinfo->entries, 0, size);
++
+ newinfo->number = compatr->num_entries;
+ for (i = 0; i < NF_ARP_NUMHOOKS; i++) {
+ newinfo->hook_entry[i] = compatr->hook_entry[i];
+diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
+index e77872c93c206..730a40dc829aa 100644
+--- a/net/ipv4/netfilter/ip_tables.c
++++ b/net/ipv4/netfilter/ip_tables.c
+@@ -1433,6 +1433,8 @@ translate_compat_table(struct net *net,
+ if (!newinfo)
+ goto out_unlock;
+
++ memset(newinfo->entries, 0, size);
++
+ newinfo->number = compatr->num_entries;
+ for (i = 0; i < NF_INET_NUMHOOKS; i++) {
+ newinfo->hook_entry[i] = compatr->hook_entry[i];
+diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
+index daf2e9e9193d1..dd0c1073dc8ee 100644
+--- a/net/ipv6/netfilter/ip6_tables.c
++++ b/net/ipv6/netfilter/ip6_tables.c
+@@ -1448,6 +1448,8 @@ translate_compat_table(struct net *net,
+ if (!newinfo)
+ goto out_unlock;
+
++ memset(newinfo->entries, 0, size);
++
+ newinfo->number = compatr->num_entries;
+ for (i = 0; i < NF_INET_NUMHOOKS; i++) {
+ newinfo->hook_entry[i] = compatr->hook_entry[i];
+diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
+index c9fe35118b33a..5dd6f6ce92e6b 100644
+--- a/net/netfilter/x_tables.c
++++ b/net/netfilter/x_tables.c
+@@ -738,7 +738,7 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
+ {
+ const struct xt_match *match = m->u.kernel.match;
+ struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m;
+- int pad, off = xt_compat_match_offset(match);
++ int off = xt_compat_match_offset(match);
+ u_int16_t msize = cm->u.user.match_size;
+ char name[sizeof(m->u.user.name)];
+
+@@ -748,9 +748,6 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
+ match->compat_from_user(m->data, cm->data);
+ else
+ memcpy(m->data, cm->data, msize - sizeof(*cm));
+- pad = XT_ALIGN(match->matchsize) - match->matchsize;
+- if (pad > 0)
+- memset(m->data + match->matchsize, 0, pad);
+
+ msize += off;
+ m->u.user.match_size = msize;
+@@ -1121,7 +1118,7 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
+ {
+ const struct xt_target *target = t->u.kernel.target;
+ struct compat_xt_entry_target *ct = (struct compat_xt_entry_target *)t;
+- int pad, off = xt_compat_target_offset(target);
++ int off = xt_compat_target_offset(target);
+ u_int16_t tsize = ct->u.user.target_size;
+ char name[sizeof(t->u.user.name)];
+
+@@ -1131,9 +1128,6 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
+ target->compat_from_user(t->data, ct->data);
+ else
+ memcpy(t->data, ct->data, tsize - sizeof(*ct));
+- pad = XT_ALIGN(target->targetsize) - target->targetsize;
+- if (pad > 0)
+- memset(t->data + target->targetsize, 0, pad);
+
+ tsize += off;
+ t->u.user.target_size = tsize;
+diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
+index d3d3601f41cc6..769d11575a7b3 100644
+--- a/tools/perf/util/map.c
++++ b/tools/perf/util/map.c
+@@ -88,8 +88,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
+ if (!strncmp(filename, "/system/lib/", 12)) {
+ char *ndk, *app;
+ const char *arch;
+- size_t ndk_length;
+- size_t app_length;
++ int ndk_length, app_length;
+
+ ndk = getenv("NDK_ROOT");
+ app = getenv("APP_PLATFORM");
+@@ -117,8 +116,8 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
+ if (new_length > PATH_MAX)
+ return false;
+ snprintf(newfilename, new_length,
+- "%s/platforms/%s/arch-%s/usr/lib/%s",
+- ndk, app, arch, libname);
++ "%.*s/platforms/%.*s/arch-%s/usr/lib/%s",
++ ndk_length, ndk, app_length, app, arch, libname);
+
+ return true;
+ }
next reply other threads:[~2021-04-16 11:15 UTC|newest]
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