Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 2209 deletions

diff --git a/ANDROID_3.4.5/drivers/mmc/host/omap_hsmmc.c b/ANDROID_3.4.5/drivers/mmc/host/omap_hsmmc.c
deleted file mode 100644
index 71a0c4ea..00000000
--- a/ANDROID_3.4.5/drivers/mmc/host/omap_hsmmc.c
+++ /dev/null
@@ -1,2209 +0,0 @@
-/*
- * drivers/mmc/host/omap_hsmmc.c
- *
- * Driver for OMAP2430/3430 MMC controller.
- *
- * Copyright (C) 2007 Texas Instruments.
- *
- * Authors:
- *	Syed Mohammed Khasim	<x0khasim@ti.com>
- *	Madhusudhan		<madhu.cr@ti.com>
- *	Mohit Jalori		<mjalori@ti.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/timer.h>
-#include <linux/clk.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/of_device.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/core.h>
-#include <linux/mmc/mmc.h>
-#include <linux/io.h>
-#include <linux/semaphore.h>
-#include <linux/gpio.h>
-#include <linux/regulator/consumer.h>
-#include <linux/pm_runtime.h>
-#include <plat/dma.h>
-#include <mach/hardware.h>
-#include <plat/board.h>
-#include <plat/mmc.h>
-#include <plat/cpu.h>
-
-/* OMAP HSMMC Host Controller Registers */
-#define OMAP_HSMMC_SYSCONFIG	0x0010
-#define OMAP_HSMMC_SYSSTATUS	0x0014
-#define OMAP_HSMMC_CON		0x002C
-#define OMAP_HSMMC_BLK		0x0104
-#define OMAP_HSMMC_ARG		0x0108
-#define OMAP_HSMMC_CMD		0x010C
-#define OMAP_HSMMC_RSP10	0x0110
-#define OMAP_HSMMC_RSP32	0x0114
-#define OMAP_HSMMC_RSP54	0x0118
-#define OMAP_HSMMC_RSP76	0x011C
-#define OMAP_HSMMC_DATA		0x0120
-#define OMAP_HSMMC_HCTL		0x0128
-#define OMAP_HSMMC_SYSCTL	0x012C
-#define OMAP_HSMMC_STAT		0x0130
-#define OMAP_HSMMC_IE		0x0134
-#define OMAP_HSMMC_ISE		0x0138
-#define OMAP_HSMMC_CAPA		0x0140
-
-#define VS18			(1 << 26)
-#define VS30			(1 << 25)
-#define SDVS18			(0x5 << 9)
-#define SDVS30			(0x6 << 9)
-#define SDVS33			(0x7 << 9)
-#define SDVS_MASK		0x00000E00
-#define SDVSCLR			0xFFFFF1FF
-#define SDVSDET			0x00000400
-#define AUTOIDLE		0x1
-#define SDBP			(1 << 8)
-#define DTO			0xe
-#define ICE			0x1
-#define ICS			0x2
-#define CEN			(1 << 2)
-#define CLKD_MASK		0x0000FFC0
-#define CLKD_SHIFT		6
-#define DTO_MASK		0x000F0000
-#define DTO_SHIFT		16
-#define INT_EN_MASK		0x307F0033
-#define BWR_ENABLE		(1 << 4)
-#define BRR_ENABLE		(1 << 5)
-#define DTO_ENABLE		(1 << 20)
-#define INIT_STREAM		(1 << 1)
-#define DP_SELECT		(1 << 21)
-#define DDIR			(1 << 4)
-#define DMA_EN			0x1
-#define MSBS			(1 << 5)
-#define BCE			(1 << 1)
-#define FOUR_BIT		(1 << 1)
-#define DW8			(1 << 5)
-#define CC			0x1
-#define TC			0x02
-#define OD			0x1
-#define ERR			(1 << 15)
-#define CMD_TIMEOUT		(1 << 16)
-#define DATA_TIMEOUT		(1 << 20)
-#define CMD_CRC			(1 << 17)
-#define DATA_CRC		(1 << 21)
-#define CARD_ERR		(1 << 28)
-#define STAT_CLEAR		0xFFFFFFFF
-#define INIT_STREAM_CMD		0x00000000
-#define DUAL_VOLT_OCR_BIT	7
-#define SRC			(1 << 25)
-#define SRD			(1 << 26)
-#define SOFTRESET		(1 << 1)
-#define RESETDONE		(1 << 0)
-
-#define MMC_AUTOSUSPEND_DELAY	100
-#define MMC_TIMEOUT_MS		20
-#define OMAP_MMC_MIN_CLOCK	400000
-#define OMAP_MMC_MAX_CLOCK	52000000
-#define DRIVER_NAME		"omap_hsmmc"
-
-/*
- * One controller can have multiple slots, like on some omap boards using
- * omap.c controller driver. Luckily this is not currently done on any known
- * omap_hsmmc.c device.
- */
-#define mmc_slot(host)		(host->pdata->slots[host->slot_id])
-
-/*
- * MMC Host controller read/write API's
- */
-#define OMAP_HSMMC_READ(base, reg)	\
-	__raw_readl((base) + OMAP_HSMMC_##reg)
-
-#define OMAP_HSMMC_WRITE(base, reg, val) \
-	__raw_writel((val), (base) + OMAP_HSMMC_##reg)
-
-struct omap_hsmmc_next {
-	unsigned int	dma_len;
-	s32		cookie;
-};
-
-struct omap_hsmmc_host {
-	struct	device		*dev;
-	struct	mmc_host	*mmc;
-	struct	mmc_request	*mrq;
-	struct	mmc_command	*cmd;
-	struct	mmc_data	*data;
-	struct	clk		*fclk;
-	struct	clk		*dbclk;
-	/*
-	 * vcc == configured supply
-	 * vcc_aux == optional
-	 *   -	MMC1, supply for DAT4..DAT7
-	 *   -	MMC2/MMC2, external level shifter voltage supply, for
-	 *	chip (SDIO, eMMC, etc) or transceiver (MMC2 only)
-	 */
-	struct	regulator	*vcc;
-	struct	regulator	*vcc_aux;
-	void	__iomem		*base;
-	resource_size_t		mapbase;
-	spinlock_t		irq_lock; /* Prevent races with irq handler */
-	unsigned int		dma_len;
-	unsigned int		dma_sg_idx;
-	unsigned char		bus_mode;
-	unsigned char		power_mode;
-	u32			*buffer;
-	u32			bytesleft;
-	int			suspended;
-	int			irq;
-	int			use_dma, dma_ch;
-	int			dma_line_tx, dma_line_rx;
-	int			slot_id;
-	int			got_dbclk;
-	int			response_busy;
-	int			context_loss;
-	int			vdd;
-	int			protect_card;
-	int			reqs_blocked;
-	int			use_reg;
-	int			req_in_progress;
-	struct omap_hsmmc_next	next_data;
-
-	struct	omap_mmc_platform_data	*pdata;
-};
-
-static int omap_hsmmc_card_detect(struct device *dev, int slot)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	/* NOTE: assumes card detect signal is active-low */
-	return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
-}
-
-static int omap_hsmmc_get_wp(struct device *dev, int slot)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	/* NOTE: assumes write protect signal is active-high */
-	return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
-}
-
-static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	/* NOTE: assumes card detect signal is active-low */
-	return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
-}
-
-#ifdef CONFIG_PM
-
-static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	disable_irq(mmc->slots[0].card_detect_irq);
-	return 0;
-}
-
-static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	enable_irq(mmc->slots[0].card_detect_irq);
-	return 0;
-}
-
-#else
-
-#define omap_hsmmc_suspend_cdirq	NULL
-#define omap_hsmmc_resume_cdirq		NULL
-
-#endif
-
-#ifdef CONFIG_REGULATOR
-
-static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
-				   int vdd)
-{
-	struct omap_hsmmc_host *host =
-		platform_get_drvdata(to_platform_device(dev));
-	int ret = 0;
-
-	/*
-	 * If we don't see a Vcc regulator, assume it's a fixed
-	 * voltage always-on regulator.
-	 */
-	if (!host->vcc)
-		return 0;
-	/*
-	 * With DT, never turn OFF the regulator. This is because
-	 * the pbias cell programming support is still missing when
-	 * booting with Device tree
-	 */
-	if (dev->of_node && !vdd)
-		return 0;
-
-	if (mmc_slot(host).before_set_reg)
-		mmc_slot(host).before_set_reg(dev, slot, power_on, vdd);
-
-	/*
-	 * Assume Vcc regulator is used only to power the card ... OMAP
-	 * VDDS is used to power the pins, optionally with a transceiver to
-	 * support cards using voltages other than VDDS (1.8V nominal).  When a
-	 * transceiver is used, DAT3..7 are muxed as transceiver control pins.
-	 *
-	 * In some cases this regulator won't support enable/disable;
-	 * e.g. it's a fixed rail for a WLAN chip.
-	 *
-	 * In other cases vcc_aux switches interface power.  Example, for
-	 * eMMC cards it represents VccQ.  Sometimes transceivers or SDIO
-	 * chips/cards need an interface voltage rail too.
-	 */
-	if (power_on) {
-		ret = mmc_regulator_set_ocr(host->mmc, host->vcc, vdd);
-		/* Enable interface voltage rail, if needed */
-		if (ret == 0 && host->vcc_aux) {
-			ret = regulator_enable(host->vcc_aux);
-			if (ret < 0)
-				ret = mmc_regulator_set_ocr(host->mmc,
-							host->vcc, 0);
-		}
-	} else {
-		/* Shut down the rail */
-		if (host->vcc_aux)
-			ret = regulator_disable(host->vcc_aux);
-		if (!ret) {
-			/* Then proceed to shut down the local regulator */
-			ret = mmc_regulator_set_ocr(host->mmc,
-						host->vcc, 0);
-		}
-	}
-
-	if (mmc_slot(host).after_set_reg)
-		mmc_slot(host).after_set_reg(dev, slot, power_on, vdd);
-
-	return ret;
-}
-
-static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
-{
-	struct regulator *reg;
-	int ocr_value = 0;
-
-	mmc_slot(host).set_power = omap_hsmmc_set_power;
-
-	reg = regulator_get(host->dev, "vmmc");
-	if (IS_ERR(reg)) {
-		dev_dbg(host->dev, "vmmc regulator missing\n");
-	} else {
-		host->vcc = reg;
-		ocr_value = mmc_regulator_get_ocrmask(reg);
-		if (!mmc_slot(host).ocr_mask) {
-			mmc_slot(host).ocr_mask = ocr_value;
-		} else {
-			if (!(mmc_slot(host).ocr_mask & ocr_value)) {
-				dev_err(host->dev, "ocrmask %x is not supported\n",
-					mmc_slot(host).ocr_mask);
-				mmc_slot(host).ocr_mask = 0;
-				return -EINVAL;
-			}
-		}
-
-		/* Allow an aux regulator */
-		reg = regulator_get(host->dev, "vmmc_aux");
-		host->vcc_aux = IS_ERR(reg) ? NULL : reg;
-
-		/* For eMMC do not power off when not in sleep state */
-		if (mmc_slot(host).no_regulator_off_init)
-			return 0;
-		/*
-		* UGLY HACK:  workaround regulator framework bugs.
-		* When the bootloader leaves a supply active, it's
-		* initialized with zero usecount ... and we can't
-		* disable it without first enabling it.  Until the
-		* framework is fixed, we need a workaround like this
-		* (which is safe for MMC, but not in general).
-		*/
-		if (regulator_is_enabled(host->vcc) > 0 ||
-		    (host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
-			int vdd = ffs(mmc_slot(host).ocr_mask) - 1;
-
-			mmc_slot(host).set_power(host->dev, host->slot_id,
-						 1, vdd);
-			mmc_slot(host).set_power(host->dev, host->slot_id,
-						 0, 0);
-		}
-	}
-
-	return 0;
-}
-
-static void omap_hsmmc_reg_put(struct omap_hsmmc_host *host)
-{
-	regulator_put(host->vcc);
-	regulator_put(host->vcc_aux);
-	mmc_slot(host).set_power = NULL;
-}
-
-static inline int omap_hsmmc_have_reg(void)
-{
-	return 1;
-}
-
-#else
-
-static inline int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
-{
-	return -EINVAL;
-}
-
-static inline void omap_hsmmc_reg_put(struct omap_hsmmc_host *host)
-{
-}
-
-static inline int omap_hsmmc_have_reg(void)
-{
-	return 0;
-}
-
-#endif
-
-static int omap_hsmmc_gpio_init(struct omap_mmc_platform_data *pdata)
-{
-	int ret;
-
-	if (gpio_is_valid(pdata->slots[0].switch_pin)) {
-		if (pdata->slots[0].cover)
-			pdata->slots[0].get_cover_state =
-					omap_hsmmc_get_cover_state;
-		else
-			pdata->slots[0].card_detect = omap_hsmmc_card_detect;
-		pdata->slots[0].card_detect_irq =
-				gpio_to_irq(pdata->slots[0].switch_pin);
-		ret = gpio_request(pdata->slots[0].switch_pin, "mmc_cd");
-		if (ret)
-			return ret;
-		ret = gpio_direction_input(pdata->slots[0].switch_pin);
-		if (ret)
-			goto err_free_sp;
-	} else
-		pdata->slots[0].switch_pin = -EINVAL;
-
-	if (gpio_is_valid(pdata->slots[0].gpio_wp)) {
-		pdata->slots[0].get_ro = omap_hsmmc_get_wp;
-		ret = gpio_request(pdata->slots[0].gpio_wp, "mmc_wp");
-		if (ret)
-			goto err_free_cd;
-		ret = gpio_direction_input(pdata->slots[0].gpio_wp);
-		if (ret)
-			goto err_free_wp;
-	} else
-		pdata->slots[0].gpio_wp = -EINVAL;
-
-	return 0;
-
-err_free_wp:
-	gpio_free(pdata->slots[0].gpio_wp);
-err_free_cd:
-	if (gpio_is_valid(pdata->slots[0].switch_pin))
-err_free_sp:
-		gpio_free(pdata->slots[0].switch_pin);
-	return ret;
-}
-
-static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata)
-{
-	if (gpio_is_valid(pdata->slots[0].gpio_wp))
-		gpio_free(pdata->slots[0].gpio_wp);
-	if (gpio_is_valid(pdata->slots[0].switch_pin))
-		gpio_free(pdata->slots[0].switch_pin);
-}
-
-/*
- * Start clock to the card
- */
-static void omap_hsmmc_start_clock(struct omap_hsmmc_host *host)
-{
-	OMAP_HSMMC_WRITE(host->base, SYSCTL,
-		OMAP_HSMMC_READ(host->base, SYSCTL) | CEN);
-}
-
-/*
- * Stop clock to the card
- */
-static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host)
-{
-	OMAP_HSMMC_WRITE(host->base, SYSCTL,
-		OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN);
-	if ((OMAP_HSMMC_READ(host->base, SYSCTL) & CEN) != 0x0)
-		dev_dbg(mmc_dev(host->mmc), "MMC Clock is not stoped\n");
-}
-
-static void omap_hsmmc_enable_irq(struct omap_hsmmc_host *host,
-				  struct mmc_command *cmd)
-{
-	unsigned int irq_mask;
-
-	if (host->use_dma)
-		irq_mask = INT_EN_MASK & ~(BRR_ENABLE | BWR_ENABLE);
-	else
-		irq_mask = INT_EN_MASK;
-
-	/* Disable timeout for erases */
-	if (cmd->opcode == MMC_ERASE)
-		irq_mask &= ~DTO_ENABLE;
-
-	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
-	OMAP_HSMMC_WRITE(host->base, ISE, irq_mask);
-	OMAP_HSMMC_WRITE(host->base, IE, irq_mask);
-}
-
-static void omap_hsmmc_disable_irq(struct omap_hsmmc_host *host)
-{
-	OMAP_HSMMC_WRITE(host->base, ISE, 0);
-	OMAP_HSMMC_WRITE(host->base, IE, 0);
-	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
-}
-
-/* Calculate divisor for the given clock frequency */
-static u16 calc_divisor(struct omap_hsmmc_host *host, struct mmc_ios *ios)
-{
-	u16 dsor = 0;
-
-	if (ios->clock) {
-		dsor = DIV_ROUND_UP(clk_get_rate(host->fclk), ios->clock);
-		if (dsor > 250)
-			dsor = 250;
-	}
-
-	return dsor;
-}
-
-static void omap_hsmmc_set_clock(struct omap_hsmmc_host *host)
-{
-	struct mmc_ios *ios = &host->mmc->ios;
-	unsigned long regval;
-	unsigned long timeout;
-
-	dev_dbg(mmc_dev(host->mmc), "Set clock to %uHz\n", ios->clock);
-
-	omap_hsmmc_stop_clock(host);
-
-	regval = OMAP_HSMMC_READ(host->base, SYSCTL);
-	regval = regval & ~(CLKD_MASK | DTO_MASK);
-	regval = regval | (calc_divisor(host, ios) << 6) | (DTO << 16);
-	OMAP_HSMMC_WRITE(host->base, SYSCTL, regval);
-	OMAP_HSMMC_WRITE(host->base, SYSCTL,
-		OMAP_HSMMC_READ(host->base, SYSCTL) | ICE);
-
-	/* Wait till the ICS bit is set */
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, SYSCTL) & ICS) != ICS
-		&& time_before(jiffies, timeout))
-		cpu_relax();
-
-	omap_hsmmc_start_clock(host);
-}
-
-static void omap_hsmmc_set_bus_width(struct omap_hsmmc_host *host)
-{
-	struct mmc_ios *ios = &host->mmc->ios;
-	u32 con;
-
-	con = OMAP_HSMMC_READ(host->base, CON);
-	switch (ios->bus_width) {
-	case MMC_BUS_WIDTH_8:
-		OMAP_HSMMC_WRITE(host->base, CON, con | DW8);
-		break;
-	case MMC_BUS_WIDTH_4:
-		OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8);
-		OMAP_HSMMC_WRITE(host->base, HCTL,
-			OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT);
-		break;
-	case MMC_BUS_WIDTH_1:
-		OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8);
-		OMAP_HSMMC_WRITE(host->base, HCTL,
-			OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT);
-		break;
-	}
-}
-
-static void omap_hsmmc_set_bus_mode(struct omap_hsmmc_host *host)
-{
-	struct mmc_ios *ios = &host->mmc->ios;
-	u32 con;
-
-	con = OMAP_HSMMC_READ(host->base, CON);
-	if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
-		OMAP_HSMMC_WRITE(host->base, CON, con | OD);
-	else
-		OMAP_HSMMC_WRITE(host->base, CON, con & ~OD);
-}
-
-#ifdef CONFIG_PM
-
-/*
- * Restore the MMC host context, if it was lost as result of a
- * power state change.
- */
-static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
-{
-	struct mmc_ios *ios = &host->mmc->ios;
-	struct omap_mmc_platform_data *pdata = host->pdata;
-	int context_loss = 0;
-	u32 hctl, capa;
-	unsigned long timeout;
-
-	if (pdata->get_context_loss_count) {
-		context_loss = pdata->get_context_loss_count(host->dev);
-		if (context_loss < 0)
-			return 1;
-	}
-
-	dev_dbg(mmc_dev(host->mmc), "context was %slost\n",
-		context_loss == host->context_loss ? "not " : "");
-	if (host->context_loss == context_loss)
-		return 1;
-
-	/* Wait for hardware reset */
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE) != RESETDONE
-		&& time_before(jiffies, timeout))
-		;
-
-	/* Do software reset */
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG, SOFTRESET);
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE) != RESETDONE
-		&& time_before(jiffies, timeout))
-		;
-
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG,
-			OMAP_HSMMC_READ(host->base, SYSCONFIG) | AUTOIDLE);
-
-	if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
-		if (host->power_mode != MMC_POWER_OFF &&
-		    (1 << ios->vdd) <= MMC_VDD_23_24)
-			hctl = SDVS18;
-		else
-			hctl = SDVS30;
-		capa = VS30 | VS18;
-	} else {
-		hctl = SDVS18;
-		capa = VS18;
-	}
-
-	OMAP_HSMMC_WRITE(host->base, HCTL,
-			OMAP_HSMMC_READ(host->base, HCTL) | hctl);
-
-	OMAP_HSMMC_WRITE(host->base, CAPA,
-			OMAP_HSMMC_READ(host->base, CAPA) | capa);
-
-	OMAP_HSMMC_WRITE(host->base, HCTL,
-			OMAP_HSMMC_READ(host->base, HCTL) | SDBP);
-
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, HCTL) & SDBP) != SDBP
-		&& time_before(jiffies, timeout))
-		;
-
-	omap_hsmmc_disable_irq(host);
-
-	/* Do not initialize card-specific things if the power is off */
-	if (host->power_mode == MMC_POWER_OFF)
-		goto out;
-
-	omap_hsmmc_set_bus_width(host);
-
-	omap_hsmmc_set_clock(host);
-
-	omap_hsmmc_set_bus_mode(host);
-
-out:
-	host->context_loss = context_loss;
-
-	dev_dbg(mmc_dev(host->mmc), "context is restored\n");
-	return 0;
-}
-
-/*
- * Save the MMC host context (store the number of power state changes so far).
- */
-static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
-{
-	struct omap_mmc_platform_data *pdata = host->pdata;
-	int context_loss;
-
-	if (pdata->get_context_loss_count) {
-		context_loss = pdata->get_context_loss_count(host->dev);
-		if (context_loss < 0)
-			return;
-		host->context_loss = context_loss;
-	}
-}
-
-#else
-
-static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
-{
-	return 0;
-}
-
-static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
-{
-}
-
-#endif
-
-/*
- * Send init stream sequence to card
- * before sending IDLE command
- */
-static void send_init_stream(struct omap_hsmmc_host *host)
-{
-	int reg = 0;
-	unsigned long timeout;
-
-	if (host->protect_card)
-		return;
-
-	disable_irq(host->irq);
-
-	OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK);
-	OMAP_HSMMC_WRITE(host->base, CON,
-		OMAP_HSMMC_READ(host->base, CON) | INIT_STREAM);
-	OMAP_HSMMC_WRITE(host->base, CMD, INIT_STREAM_CMD);
-
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((reg != CC) && time_before(jiffies, timeout))
-		reg = OMAP_HSMMC_READ(host->base, STAT) & CC;
-
-	OMAP_HSMMC_WRITE(host->base, CON,
-		OMAP_HSMMC_READ(host->base, CON) & ~INIT_STREAM);
-
-	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
-	OMAP_HSMMC_READ(host->base, STAT);
-
-	enable_irq(host->irq);
-}
-
-static inline
-int omap_hsmmc_cover_is_closed(struct omap_hsmmc_host *host)
-{
-	int r = 1;
-
-	if (mmc_slot(host).get_cover_state)
-		r = mmc_slot(host).get_cover_state(host->dev, host->slot_id);
-	return r;
-}
-
-static ssize_t
-omap_hsmmc_show_cover_switch(struct device *dev, struct device_attribute *attr,
-			   char *buf)
-{
-	struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	return sprintf(buf, "%s\n",
-			omap_hsmmc_cover_is_closed(host) ? "closed" : "open");
-}
-
-static DEVICE_ATTR(cover_switch, S_IRUGO, omap_hsmmc_show_cover_switch, NULL);
-
-static ssize_t
-omap_hsmmc_show_slot_name(struct device *dev, struct device_attribute *attr,
-			char *buf)
-{
-	struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev);
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	return sprintf(buf, "%s\n", mmc_slot(host).name);
-}
-
-static DEVICE_ATTR(slot_name, S_IRUGO, omap_hsmmc_show_slot_name, NULL);
-
-/*
- * Configure the response type and send the cmd.
- */
-static void
-omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
-	struct mmc_data *data)
-{
-	int cmdreg = 0, resptype = 0, cmdtype = 0;
-
-	dev_dbg(mmc_dev(host->mmc), "%s: CMD%d, argument 0x%08x\n",
-		mmc_hostname(host->mmc), cmd->opcode, cmd->arg);
-	host->cmd = cmd;
-
-	omap_hsmmc_enable_irq(host, cmd);
-
-	host->response_busy = 0;
-	if (cmd->flags & MMC_RSP_PRESENT) {
-		if (cmd->flags & MMC_RSP_136)
-			resptype = 1;
-		else if (cmd->flags & MMC_RSP_BUSY) {
-			resptype = 3;
-			host->response_busy = 1;
-		} else
-			resptype = 2;
-	}
-
-	/*
-	 * Unlike OMAP1 controller, the cmdtype does not seem to be based on
-	 * ac, bc, adtc, bcr. Only commands ending an open ended transfer need
-	 * a val of 0x3, rest 0x0.
-	 */
-	if (cmd == host->mrq->stop)
-		cmdtype = 0x3;
-
-	cmdreg = (cmd->opcode << 24) | (resptype << 16) | (cmdtype << 22);
-
-	if (data) {
-		cmdreg |= DP_SELECT | MSBS | BCE;
-		if (data->flags & MMC_DATA_READ)
-			cmdreg |= DDIR;
-		else
-			cmdreg &= ~(DDIR);
-	}
-
-	if (host->use_dma)
-		cmdreg |= DMA_EN;
-
-	host->req_in_progress = 1;
-
-	OMAP_HSMMC_WRITE(host->base, ARG, cmd->arg);
-	OMAP_HSMMC_WRITE(host->base, CMD, cmdreg);
-}
-
-static int
-omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data)
-{
-	if (data->flags & MMC_DATA_WRITE)
-		return DMA_TO_DEVICE;
-	else
-		return DMA_FROM_DEVICE;
-}
-
-static void omap_hsmmc_request_done(struct omap_hsmmc_host *host, struct mmc_request *mrq)
-{
-	int dma_ch;
-
-	spin_lock(&host->irq_lock);
-	host->req_in_progress = 0;
-	dma_ch = host->dma_ch;
-	spin_unlock(&host->irq_lock);
-
-	omap_hsmmc_disable_irq(host);
-	/* Do not complete the request if DMA is still in progress */
-	if (mrq->data && host->use_dma && dma_ch != -1)
-		return;
-	host->mrq = NULL;
-	mmc_request_done(host->mmc, mrq);
-}
-
-/*
- * Notify the transfer complete to MMC core
- */
-static void
-omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
-{
-	if (!data) {
-		struct mmc_request *mrq = host->mrq;
-
-		/* TC before CC from CMD6 - don't know why, but it happens */
-		if (host->cmd && host->cmd->opcode == 6 &&
-		    host->response_busy) {
-			host->response_busy = 0;
-			return;
-		}
-
-		omap_hsmmc_request_done(host, mrq);
-		return;
-	}
-
-	host->data = NULL;
-
-	if (!data->error)
-		data->bytes_xfered += data->blocks * (data->blksz);
-	else
-		data->bytes_xfered = 0;
-
-	if (!data->stop) {
-		omap_hsmmc_request_done(host, data->mrq);
-		return;
-	}
-	omap_hsmmc_start_command(host, data->stop, NULL);
-}
-
-/*
- * Notify the core about command completion
- */
-static void
-omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
-{
-	host->cmd = NULL;
-
-	if (cmd->flags & MMC_RSP_PRESENT) {
-		if (cmd->flags & MMC_RSP_136) {
-			/* response type 2 */
-			cmd->resp[3] = OMAP_HSMMC_READ(host->base, RSP10);
-			cmd->resp[2] = OMAP_HSMMC_READ(host->base, RSP32);
-			cmd->resp[1] = OMAP_HSMMC_READ(host->base, RSP54);
-			cmd->resp[0] = OMAP_HSMMC_READ(host->base, RSP76);
-		} else {
-			/* response types 1, 1b, 3, 4, 5, 6 */
-			cmd->resp[0] = OMAP_HSMMC_READ(host->base, RSP10);
-		}
-	}
-	if ((host->data == NULL && !host->response_busy) || cmd->error)
-		omap_hsmmc_request_done(host, cmd->mrq);
-}
-
-/*
- * DMA clean up for command errors
- */
-static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
-{
-	int dma_ch;
-
-	host->data->error = errno;
-
-	spin_lock(&host->irq_lock);
-	dma_ch = host->dma_ch;
-	host->dma_ch = -1;
-	spin_unlock(&host->irq_lock);
-
-	if (host->use_dma && dma_ch != -1) {
-		dma_unmap_sg(mmc_dev(host->mmc), host->data->sg,
-			host->data->sg_len,
-			omap_hsmmc_get_dma_dir(host, host->data));
-		omap_free_dma(dma_ch);
-		host->data->host_cookie = 0;
-	}
-	host->data = NULL;
-}
-
-/*
- * Readable error output
- */
-#ifdef CONFIG_MMC_DEBUG
-static void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host, u32 status)
-{
-	/* --- means reserved bit without definition at documentation */
-	static const char *omap_hsmmc_status_bits[] = {
-		"CC"  , "TC"  , "BGE", "---", "BWR" , "BRR" , "---" , "---" ,
-		"CIRQ",	"OBI" , "---", "---", "---" , "---" , "---" , "ERRI",
-		"CTO" , "CCRC", "CEB", "CIE", "DTO" , "DCRC", "DEB" , "---" ,
-		"ACE" , "---" , "---", "---", "CERR", "BADA", "---" , "---"
-	};
-	char res[256];
-	char *buf = res;
-	int len, i;
-
-	len = sprintf(buf, "MMC IRQ 0x%x :", status);
-	buf += len;
-
-	for (i = 0; i < ARRAY_SIZE(omap_hsmmc_status_bits); i++)
-		if (status & (1 << i)) {
-			len = sprintf(buf, " %s", omap_hsmmc_status_bits[i]);
-			buf += len;
-		}
-
-	dev_dbg(mmc_dev(host->mmc), "%s\n", res);
-}
-#else
-static inline void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host,
-					     u32 status)
-{
-}
-#endif  /* CONFIG_MMC_DEBUG */
-
-/*
- * MMC controller internal state machines reset
- *
- * Used to reset command or data internal state machines, using respectively
- *  SRC or SRD bit of SYSCTL register
- * Can be called from interrupt context
- */
-static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
-						   unsigned long bit)
-{
-	unsigned long i = 0;
-	unsigned long limit = (loops_per_jiffy *
-				msecs_to_jiffies(MMC_TIMEOUT_MS));
-
-	OMAP_HSMMC_WRITE(host->base, SYSCTL,
-			 OMAP_HSMMC_READ(host->base, SYSCTL) | bit);
-
-	/*
-	 * OMAP4 ES2 and greater has an updated reset logic.
-	 * Monitor a 0->1 transition first
-	 */
-	if (mmc_slot(host).features & HSMMC_HAS_UPDATED_RESET) {
-		while ((!(OMAP_HSMMC_READ(host->base, SYSCTL) & bit))
-					&& (i++ < limit))
-			cpu_relax();
-	}
-	i = 0;
-
-	while ((OMAP_HSMMC_READ(host->base, SYSCTL) & bit) &&
-		(i++ < limit))
-		cpu_relax();
-
-	if (OMAP_HSMMC_READ(host->base, SYSCTL) & bit)
-		dev_err(mmc_dev(host->mmc),
-			"Timeout waiting on controller reset in %s\n",
-			__func__);
-}
-
-static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status)
-{
-	struct mmc_data *data;
-	int end_cmd = 0, end_trans = 0;
-
-	if (!host->req_in_progress) {
-		do {
-			OMAP_HSMMC_WRITE(host->base, STAT, status);
-			/* Flush posted write */
-			status = OMAP_HSMMC_READ(host->base, STAT);
-		} while (status & INT_EN_MASK);
-		return;
-	}
-
-	data = host->data;
-	dev_dbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status);
-
-	if (status & ERR) {
-		omap_hsmmc_dbg_report_irq(host, status);
-		if ((status & CMD_TIMEOUT) ||
-			(status & CMD_CRC)) {
-			if (host->cmd) {
-				if (status & CMD_TIMEOUT) {
-					omap_hsmmc_reset_controller_fsm(host,
-									SRC);
-					host->cmd->error = -ETIMEDOUT;
-				} else {
-					host->cmd->error = -EILSEQ;
-				}
-				end_cmd = 1;
-			}
-			if (host->data || host->response_busy) {
-				if (host->data)
-					omap_hsmmc_dma_cleanup(host,
-								-ETIMEDOUT);
-				host->response_busy = 0;
-				omap_hsmmc_reset_controller_fsm(host, SRD);
-			}
-		}
-		if ((status & DATA_TIMEOUT) ||
-			(status & DATA_CRC)) {
-			if (host->data || host->response_busy) {
-				int err = (status & DATA_TIMEOUT) ?
-						-ETIMEDOUT : -EILSEQ;
-
-				if (host->data)
-					omap_hsmmc_dma_cleanup(host, err);
-				else
-					host->mrq->cmd->error = err;
-				host->response_busy = 0;
-				omap_hsmmc_reset_controller_fsm(host, SRD);
-				end_trans = 1;
-			}
-		}
-		if (status & CARD_ERR) {
-			dev_dbg(mmc_dev(host->mmc),
-				"Ignoring card err CMD%d\n", host->cmd->opcode);
-			if (host->cmd)
-				end_cmd = 1;
-			if (host->data)
-				end_trans = 1;
-		}
-	}
-
-	OMAP_HSMMC_WRITE(host->base, STAT, status);
-
-	if (end_cmd || ((status & CC) && host->cmd))
-		omap_hsmmc_cmd_done(host, host->cmd);
-	if ((end_trans || (status & TC)) && host->mrq)
-		omap_hsmmc_xfer_done(host, data);
-}
-
-/*
- * MMC controller IRQ handler
- */
-static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
-{
-	struct omap_hsmmc_host *host = dev_id;
-	int status;
-
-	status = OMAP_HSMMC_READ(host->base, STAT);
-	do {
-		omap_hsmmc_do_irq(host, status);
-		/* Flush posted write */
-		status = OMAP_HSMMC_READ(host->base, STAT);
-	} while (status & INT_EN_MASK);
-
-	return IRQ_HANDLED;
-}
-
-static void set_sd_bus_power(struct omap_hsmmc_host *host)
-{
-	unsigned long i;
-
-	OMAP_HSMMC_WRITE(host->base, HCTL,
-			 OMAP_HSMMC_READ(host->base, HCTL) | SDBP);
-	for (i = 0; i < loops_per_jiffy; i++) {
-		if (OMAP_HSMMC_READ(host->base, HCTL) & SDBP)
-			break;
-		cpu_relax();
-	}
-}
-
-/*
- * Switch MMC interface voltage ... only relevant for MMC1.
- *
- * MMC2 and MMC3 use fixed 1.8V levels, and maybe a transceiver.
- * The MMC2 transceiver controls are used instead of DAT4..DAT7.
- * Some chips, like eMMC ones, use internal transceivers.
- */
-static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
-{
-	u32 reg_val = 0;
-	int ret;
-
-	/* Disable the clocks */
-	pm_runtime_put_sync(host->dev);
-	if (host->got_dbclk)
-		clk_disable(host->dbclk);
-
-	/* Turn the power off */
-	ret = mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0);
-
-	/* Turn the power ON with given VDD 1.8 or 3.0v */
-	if (!ret)
-		ret = mmc_slot(host).set_power(host->dev, host->slot_id, 1,
-					       vdd);
-	pm_runtime_get_sync(host->dev);
-	if (host->got_dbclk)
-		clk_enable(host->dbclk);
-
-	if (ret != 0)
-		goto err;
-
-	OMAP_HSMMC_WRITE(host->base, HCTL,
-		OMAP_HSMMC_READ(host->base, HCTL) & SDVSCLR);
-	reg_val = OMAP_HSMMC_READ(host->base, HCTL);
-
-	/*
-	 * If a MMC dual voltage card is detected, the set_ios fn calls
-	 * this fn with VDD bit set for 1.8V. Upon card removal from the
-	 * slot, omap_hsmmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF.
-	 *
-	 * Cope with a bit of slop in the range ... per data sheets:
-	 *  - "1.8V" for vdds_mmc1/vdds_mmc1a can be up to 2.45V max,
-	 *    but recommended values are 1.71V to 1.89V
-	 *  - "3.0V" for vdds_mmc1/vdds_mmc1a can be up to 3.5V max,
-	 *    but recommended values are 2.7V to 3.3V
-	 *
-	 * Board setup code shouldn't permit anything very out-of-range.
-	 * TWL4030-family VMMC1 and VSIM regulators are fine (avoiding the
-	 * middle range) but VSIM can't power DAT4..DAT7 at more than 3V.
-	 */
-	if ((1 << vdd) <= MMC_VDD_23_24)
-		reg_val |= SDVS18;
-	else
-		reg_val |= SDVS30;
-
-	OMAP_HSMMC_WRITE(host->base, HCTL, reg_val);
-	set_sd_bus_power(host);
-
-	return 0;
-err:
-	dev_dbg(mmc_dev(host->mmc), "Unable to switch operating voltage\n");
-	return ret;
-}
-
-/* Protect the card while the cover is open */
-static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host)
-{
-	if (!mmc_slot(host).get_cover_state)
-		return;
-
-	host->reqs_blocked = 0;
-	if (mmc_slot(host).get_cover_state(host->dev, host->slot_id)) {
-		if (host->protect_card) {
-			dev_info(host->dev, "%s: cover is closed, "
-					 "card is now accessible\n",
-					 mmc_hostname(host->mmc));
-			host->protect_card = 0;
-		}
-	} else {
-		if (!host->protect_card) {
-			dev_info(host->dev, "%s: cover is open, "
-					 "card is now inaccessible\n",
-					 mmc_hostname(host->mmc));
-			host->protect_card = 1;
-		}
-	}
-}
-
-/*
- * irq handler to notify the core about card insertion/removal
- */
-static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
-{
-	struct omap_hsmmc_host *host = dev_id;
-	struct omap_mmc_slot_data *slot = &mmc_slot(host);
-	int carddetect;
-
-	if (host->suspended)
-		return IRQ_HANDLED;
-
-	sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
-
-	if (slot->card_detect)
-		carddetect = slot->card_detect(host->dev, host->slot_id);
-	else {
-		omap_hsmmc_protect_card(host);
-		carddetect = -ENOSYS;
-	}
-
-	if (carddetect)
-		mmc_detect_change(host->mmc, (HZ * 200) / 1000);
-	else
-		mmc_detect_change(host->mmc, (HZ * 50) / 1000);
-	return IRQ_HANDLED;
-}
-
-static int omap_hsmmc_get_dma_sync_dev(struct omap_hsmmc_host *host,
-				     struct mmc_data *data)
-{
-	int sync_dev;
-
-	if (data->flags & MMC_DATA_WRITE)
-		sync_dev = host->dma_line_tx;
-	else
-		sync_dev = host->dma_line_rx;
-	return sync_dev;
-}
-
-static void omap_hsmmc_config_dma_params(struct omap_hsmmc_host *host,
-				       struct mmc_data *data,
-				       struct scatterlist *sgl)
-{
-	int blksz, nblk, dma_ch;
-
-	dma_ch = host->dma_ch;
-	if (data->flags & MMC_DATA_WRITE) {
-		omap_set_dma_dest_params(dma_ch, 0, OMAP_DMA_AMODE_CONSTANT,
-			(host->mapbase + OMAP_HSMMC_DATA), 0, 0);
-		omap_set_dma_src_params(dma_ch, 0, OMAP_DMA_AMODE_POST_INC,
-			sg_dma_address(sgl), 0, 0);
-	} else {
-		omap_set_dma_src_params(dma_ch, 0, OMAP_DMA_AMODE_CONSTANT,
-			(host->mapbase + OMAP_HSMMC_DATA), 0, 0);
-		omap_set_dma_dest_params(dma_ch, 0, OMAP_DMA_AMODE_POST_INC,
-			sg_dma_address(sgl), 0, 0);
-	}
-
-	blksz = host->data->blksz;
-	nblk = sg_dma_len(sgl) / blksz;
-
-	omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S32,
-			blksz / 4, nblk, OMAP_DMA_SYNC_FRAME,
-			omap_hsmmc_get_dma_sync_dev(host, data),
-			!(data->flags & MMC_DATA_WRITE));
-
-	omap_start_dma(dma_ch);
-}
-
-/*
- * DMA call back function
- */
-static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data)
-{
-	struct omap_hsmmc_host *host = cb_data;
-	struct mmc_data *data;
-	int dma_ch, req_in_progress;
-
-	if (!(ch_status & OMAP_DMA_BLOCK_IRQ)) {
-		dev_warn(mmc_dev(host->mmc), "unexpected dma status %x\n",
-			ch_status);
-		return;
-	}
-
-	spin_lock(&host->irq_lock);
-	if (host->dma_ch < 0) {
-		spin_unlock(&host->irq_lock);
-		return;
-	}
-
-	data = host->mrq->data;
-	host->dma_sg_idx++;
-	if (host->dma_sg_idx < host->dma_len) {
-		/* Fire up the next transfer. */
-		omap_hsmmc_config_dma_params(host, data,
-					   data->sg + host->dma_sg_idx);
-		spin_unlock(&host->irq_lock);
-		return;
-	}
-
-	if (!data->host_cookie)
-		dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
-			     omap_hsmmc_get_dma_dir(host, data));
-
-	req_in_progress = host->req_in_progress;
-	dma_ch = host->dma_ch;
-	host->dma_ch = -1;
-	spin_unlock(&host->irq_lock);
-
-	omap_free_dma(dma_ch);
-
-	/* If DMA has finished after TC, complete the request */
-	if (!req_in_progress) {
-		struct mmc_request *mrq = host->mrq;
-
-		host->mrq = NULL;
-		mmc_request_done(host->mmc, mrq);
-	}
-}
-
-static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host,
-				       struct mmc_data *data,
-				       struct omap_hsmmc_next *next)
-{
-	int dma_len;
-
-	if (!next && data->host_cookie &&
-	    data->host_cookie != host->next_data.cookie) {
-		dev_warn(host->dev, "[%s] invalid cookie: data->host_cookie %d"
-		       " host->next_data.cookie %d\n",
-		       __func__, data->host_cookie, host->next_data.cookie);
-		data->host_cookie = 0;
-	}
-
-	/* Check if next job is already prepared */
-	if (next ||
-	    (!next && data->host_cookie != host->next_data.cookie)) {
-		dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg,
-				     data->sg_len,
-				     omap_hsmmc_get_dma_dir(host, data));
-
-	} else {
-		dma_len = host->next_data.dma_len;
-		host->next_data.dma_len = 0;
-	}
-
-
-	if (dma_len == 0)
-		return -EINVAL;
-
-	if (next) {
-		next->dma_len = dma_len;
-		data->host_cookie = ++next->cookie < 0 ? 1 : next->cookie;
-	} else
-		host->dma_len = dma_len;
-
-	return 0;
-}
-
-/*
- * Routine to configure and start DMA for the MMC card
- */
-static int omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host,
-					struct mmc_request *req)
-{
-	int dma_ch = 0, ret = 0, i;
-	struct mmc_data *data = req->data;
-
-	/* Sanity check: all the SG entries must be aligned by block size. */
-	for (i = 0; i < data->sg_len; i++) {
-		struct scatterlist *sgl;
-
-		sgl = data->sg + i;
-		if (sgl->length % data->blksz)
-			return -EINVAL;
-	}
-	if ((data->blksz % 4) != 0)
-		/* REVISIT: The MMC buffer increments only when MSB is written.
-		 * Return error for blksz which is non multiple of four.
-		 */
-		return -EINVAL;
-
-	BUG_ON(host->dma_ch != -1);
-
-	ret = omap_request_dma(omap_hsmmc_get_dma_sync_dev(host, data),
-			       "MMC/SD", omap_hsmmc_dma_cb, host, &dma_ch);
-	if (ret != 0) {
-		dev_err(mmc_dev(host->mmc),
-			"%s: omap_request_dma() failed with %d\n",
-			mmc_hostname(host->mmc), ret);
-		return ret;
-	}
-	ret = omap_hsmmc_pre_dma_transfer(host, data, NULL);
-	if (ret)
-		return ret;
-
-	host->dma_ch = dma_ch;
-	host->dma_sg_idx = 0;
-
-	omap_hsmmc_config_dma_params(host, data, data->sg);
-
-	return 0;
-}
-
-static void set_data_timeout(struct omap_hsmmc_host *host,
-			     unsigned int timeout_ns,
-			     unsigned int timeout_clks)
-{
-	unsigned int timeout, cycle_ns;
-	uint32_t reg, clkd, dto = 0;
-
-	reg = OMAP_HSMMC_READ(host->base, SYSCTL);
-	clkd = (reg & CLKD_MASK) >> CLKD_SHIFT;
-	if (clkd == 0)
-		clkd = 1;
-
-	cycle_ns = 1000000000 / (clk_get_rate(host->fclk) / clkd);
-	timeout = timeout_ns / cycle_ns;
-	timeout += timeout_clks;
-	if (timeout) {
-		while ((timeout & 0x80000000) == 0) {
-			dto += 1;
-			timeout <<= 1;
-		}
-		dto = 31 - dto;
-		timeout <<= 1;
-		if (timeout && dto)
-			dto += 1;
-		if (dto >= 13)
-			dto -= 13;
-		else
-			dto = 0;
-		if (dto > 14)
-			dto = 14;
-	}
-
-	reg &= ~DTO_MASK;
-	reg |= dto << DTO_SHIFT;
-	OMAP_HSMMC_WRITE(host->base, SYSCTL, reg);
-}
-
-/*
- * Configure block length for MMC/SD cards and initiate the transfer.
- */
-static int
-omap_hsmmc_prepare_data(struct omap_hsmmc_host *host, struct mmc_request *req)
-{
-	int ret;
-	host->data = req->data;
-
-	if (req->data == NULL) {
-		OMAP_HSMMC_WRITE(host->base, BLK, 0);
-		/*
-		 * Set an arbitrary 100ms data timeout for commands with
-		 * busy signal.
-		 */
-		if (req->cmd->flags & MMC_RSP_BUSY)
-			set_data_timeout(host, 100000000U, 0);
-		return 0;
-	}
-
-	OMAP_HSMMC_WRITE(host->base, BLK, (req->data->blksz)
-					| (req->data->blocks << 16));
-	set_data_timeout(host, req->data->timeout_ns, req->data->timeout_clks);
-
-	if (host->use_dma) {
-		ret = omap_hsmmc_start_dma_transfer(host, req);
-		if (ret != 0) {
-			dev_dbg(mmc_dev(host->mmc), "MMC start dma failure\n");
-			return ret;
-		}
-	}
-	return 0;
-}
-
-static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
-				int err)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-	struct mmc_data *data = mrq->data;
-
-	if (host->use_dma) {
-		if (data->host_cookie)
-			dma_unmap_sg(mmc_dev(host->mmc), data->sg,
-				     data->sg_len,
-				     omap_hsmmc_get_dma_dir(host, data));
-		data->host_cookie = 0;
-	}
-}
-
-static void omap_hsmmc_pre_req(struct mmc_host *mmc, struct mmc_request *mrq,
-			       bool is_first_req)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	if (mrq->data->host_cookie) {
-		mrq->data->host_cookie = 0;
-		return ;
-	}
-
-	if (host->use_dma)
-		if (omap_hsmmc_pre_dma_transfer(host, mrq->data,
-						&host->next_data))
-			mrq->data->host_cookie = 0;
-}
-
-/*
- * Request function. for read/write operation
- */
-static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-	int err;
-
-	BUG_ON(host->req_in_progress);
-	BUG_ON(host->dma_ch != -1);
-	if (host->protect_card) {
-		if (host->reqs_blocked < 3) {
-			/*
-			 * Ensure the controller is left in a consistent
-			 * state by resetting the command and data state
-			 * machines.
-			 */
-			omap_hsmmc_reset_controller_fsm(host, SRD);
-			omap_hsmmc_reset_controller_fsm(host, SRC);
-			host->reqs_blocked += 1;
-		}
-		req->cmd->error = -EBADF;
-		if (req->data)
-			req->data->error = -EBADF;
-		req->cmd->retries = 0;
-		mmc_request_done(mmc, req);
-		return;
-	} else if (host->reqs_blocked)
-		host->reqs_blocked = 0;
-	WARN_ON(host->mrq != NULL);
-	host->mrq = req;
-	err = omap_hsmmc_prepare_data(host, req);
-	if (err) {
-		req->cmd->error = err;
-		if (req->data)
-			req->data->error = err;
-		host->mrq = NULL;
-		mmc_request_done(mmc, req);
-		return;
-	}
-
-	omap_hsmmc_start_command(host, req->cmd, req->data);
-}
-
-/* Routine to configure clock values. Exposed API to core */
-static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-	int do_send_init_stream = 0;
-
-	pm_runtime_get_sync(host->dev);
-
-	if (ios->power_mode != host->power_mode) {
-		switch (ios->power_mode) {
-		case MMC_POWER_OFF:
-			mmc_slot(host).set_power(host->dev, host->slot_id,
-						 0, 0);
-			host->vdd = 0;
-			break;
-		case MMC_POWER_UP:
-			mmc_slot(host).set_power(host->dev, host->slot_id,
-						 1, ios->vdd);
-			host->vdd = ios->vdd;
-			break;
-		case MMC_POWER_ON:
-			do_send_init_stream = 1;
-			break;
-		}
-		host->power_mode = ios->power_mode;
-	}
-
-	/* FIXME: set registers based only on changes to ios */
-
-	omap_hsmmc_set_bus_width(host);
-
-	if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
-		/* Only MMC1 can interface at 3V without some flavor
-		 * of external transceiver; but they all handle 1.8V.
-		 */
-		if ((OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET) &&
-			(ios->vdd == DUAL_VOLT_OCR_BIT) &&
-			/*
-			 * With pbias cell programming missing, this
-			 * can't be allowed when booting with device
-			 * tree.
-			 */
-			!host->dev->of_node) {
-				/*
-				 * The mmc_select_voltage fn of the core does
-				 * not seem to set the power_mode to
-				 * MMC_POWER_UP upon recalculating the voltage.
-				 * vdd 1.8v.
-				 */
-			if (omap_hsmmc_switch_opcond(host, ios->vdd) != 0)
-				dev_dbg(mmc_dev(host->mmc),
-						"Switch operation failed\n");
-		}
-	}
-
-	omap_hsmmc_set_clock(host);
-
-	if (do_send_init_stream)
-		send_init_stream(host);
-
-	omap_hsmmc_set_bus_mode(host);
-
-	pm_runtime_put_autosuspend(host->dev);
-}
-
-static int omap_hsmmc_get_cd(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	if (!mmc_slot(host).card_detect)
-		return -ENOSYS;
-	return mmc_slot(host).card_detect(host->dev, host->slot_id);
-}
-
-static int omap_hsmmc_get_ro(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	if (!mmc_slot(host).get_ro)
-		return -ENOSYS;
-	return mmc_slot(host).get_ro(host->dev, 0);
-}
-
-static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	if (mmc_slot(host).init_card)
-		mmc_slot(host).init_card(card);
-}
-
-static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host)
-{
-	u32 hctl, capa, value;
-
-	/* Only MMC1 supports 3.0V */
-	if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
-		hctl = SDVS30;
-		capa = VS30 | VS18;
-	} else {
-		hctl = SDVS18;
-		capa = VS18;
-	}
-
-	value = OMAP_HSMMC_READ(host->base, HCTL) & ~SDVS_MASK;
-	OMAP_HSMMC_WRITE(host->base, HCTL, value | hctl);
-
-	value = OMAP_HSMMC_READ(host->base, CAPA);
-	OMAP_HSMMC_WRITE(host->base, CAPA, value | capa);
-
-	/* Set the controller to AUTO IDLE mode */
-	value = OMAP_HSMMC_READ(host->base, SYSCONFIG);
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG, value | AUTOIDLE);
-
-	/* Set SD bus power bit */
-	set_sd_bus_power(host);
-}
-
-static int omap_hsmmc_enable_fclk(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	pm_runtime_get_sync(host->dev);
-
-	return 0;
-}
-
-static int omap_hsmmc_disable_fclk(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	pm_runtime_mark_last_busy(host->dev);
-	pm_runtime_put_autosuspend(host->dev);
-
-	return 0;
-}
-
-static const struct mmc_host_ops omap_hsmmc_ops = {
-	.enable = omap_hsmmc_enable_fclk,
-	.disable = omap_hsmmc_disable_fclk,
-	.post_req = omap_hsmmc_post_req,
-	.pre_req = omap_hsmmc_pre_req,
-	.request = omap_hsmmc_request,
-	.set_ios = omap_hsmmc_set_ios,
-	.get_cd = omap_hsmmc_get_cd,
-	.get_ro = omap_hsmmc_get_ro,
-	.init_card = omap_hsmmc_init_card,
-	/* NYET -- enable_sdio_irq */
-};
-
-#ifdef CONFIG_DEBUG_FS
-
-static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
-{
-	struct mmc_host *mmc = s->private;
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-	int context_loss = 0;
-
-	if (host->pdata->get_context_loss_count)
-		context_loss = host->pdata->get_context_loss_count(host->dev);
-
-	seq_printf(s, "mmc%d:\n ctx_loss:\t%d:%d\n\nregs:\n",
-			mmc->index, host->context_loss, context_loss);
-
-	if (host->suspended) {
-		seq_printf(s, "host suspended, can't read registers\n");
-		return 0;
-	}
-
-	pm_runtime_get_sync(host->dev);
-
-	seq_printf(s, "SYSCONFIG:\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, SYSCONFIG));
-	seq_printf(s, "CON:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, CON));
-	seq_printf(s, "HCTL:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, HCTL));
-	seq_printf(s, "SYSCTL:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, SYSCTL));
-	seq_printf(s, "IE:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, IE));
-	seq_printf(s, "ISE:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, ISE));
-	seq_printf(s, "CAPA:\t\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, CAPA));
-
-	pm_runtime_mark_last_busy(host->dev);
-	pm_runtime_put_autosuspend(host->dev);
-
-	return 0;
-}
-
-static int omap_hsmmc_regs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, omap_hsmmc_regs_show, inode->i_private);
-}
-
-static const struct file_operations mmc_regs_fops = {
-	.open           = omap_hsmmc_regs_open,
-	.read           = seq_read,
-	.llseek         = seq_lseek,
-	.release        = single_release,
-};
-
-static void omap_hsmmc_debugfs(struct mmc_host *mmc)
-{
-	if (mmc->debugfs_root)
-		debugfs_create_file("regs", S_IRUSR, mmc->debugfs_root,
-			mmc, &mmc_regs_fops);
-}
-
-#else
-
-static void omap_hsmmc_debugfs(struct mmc_host *mmc)
-{
-}
-
-#endif
-
-#ifdef CONFIG_OF
-static u16 omap4_reg_offset = 0x100;
-
-static const struct of_device_id omap_mmc_of_match[] = {
-	{
-		.compatible = "ti,omap2-hsmmc",
-	},
-	{
-		.compatible = "ti,omap3-hsmmc",
-	},
-	{
-		.compatible = "ti,omap4-hsmmc",
-		.data = &omap4_reg_offset,
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(of, omap_mmc_of_match);
-
-static struct omap_mmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
-{
-	struct omap_mmc_platform_data *pdata;
-	struct device_node *np = dev->of_node;
-	u32 bus_width;
-
-	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return NULL; /* out of memory */
-
-	if (of_find_property(np, "ti,dual-volt", NULL))
-		pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
-
-	/* This driver only supports 1 slot */
-	pdata->nr_slots = 1;
-	pdata->slots[0].switch_pin = of_get_named_gpio(np, "cd-gpios", 0);
-	pdata->slots[0].gpio_wp = of_get_named_gpio(np, "wp-gpios", 0);
-
-	if (of_find_property(np, "ti,non-removable", NULL)) {
-		pdata->slots[0].nonremovable = true;
-		pdata->slots[0].no_regulator_off_init = true;
-	}
-	of_property_read_u32(np, "ti,bus-width", &bus_width);
-	if (bus_width == 4)
-		pdata->slots[0].caps |= MMC_CAP_4_BIT_DATA;
-	else if (bus_width == 8)
-		pdata->slots[0].caps |= MMC_CAP_8_BIT_DATA;
-
-	if (of_find_property(np, "ti,needs-special-reset", NULL))
-		pdata->slots[0].features |= HSMMC_HAS_UPDATED_RESET;
-
-	return pdata;
-}
-#else
-static inline struct omap_mmc_platform_data
-			*of_get_hsmmc_pdata(struct device *dev)
-{
-	return NULL;
-}
-#endif
-
-static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
-{
-	struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
-	struct mmc_host *mmc;
-	struct omap_hsmmc_host *host = NULL;
-	struct resource *res;
-	int ret, irq;
-	const struct of_device_id *match;
-
-	match = of_match_device(of_match_ptr(omap_mmc_of_match), &pdev->dev);
-	if (match) {
-		pdata = of_get_hsmmc_pdata(&pdev->dev);
-		if (match->data) {
-			u16 *offsetp = match->data;
-			pdata->reg_offset = *offsetp;
-		}
-	}
-
-	if (pdata == NULL) {
-		dev_err(&pdev->dev, "Platform Data is missing\n");
-		return -ENXIO;
-	}
-
-	if (pdata->nr_slots == 0) {
-		dev_err(&pdev->dev, "No Slots\n");
-		return -ENXIO;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	irq = platform_get_irq(pdev, 0);
-	if (res == NULL || irq < 0)
-		return -ENXIO;
-
-	res = request_mem_region(res->start, resource_size(res), pdev->name);
-	if (res == NULL)
-		return -EBUSY;
-
-	ret = omap_hsmmc_gpio_init(pdata);
-	if (ret)
-		goto err;
-
-	mmc = mmc_alloc_host(sizeof(struct omap_hsmmc_host), &pdev->dev);
-	if (!mmc) {
-		ret = -ENOMEM;
-		goto err_alloc;
-	}
-
-	host		= mmc_priv(mmc);
-	host->mmc	= mmc;
-	host->pdata	= pdata;
-	host->dev	= &pdev->dev;
-	host->use_dma	= 1;
-	host->dev->dma_mask = &pdata->dma_mask;
-	host->dma_ch	= -1;
-	host->irq	= irq;
-	host->slot_id	= 0;
-	host->mapbase	= res->start + pdata->reg_offset;
-	host->base	= ioremap(host->mapbase, SZ_4K);
-	host->power_mode = MMC_POWER_OFF;
-	host->next_data.cookie = 1;
-
-	platform_set_drvdata(pdev, host);
-
-	mmc->ops	= &omap_hsmmc_ops;
-
-	/*
-	 * If regulator_disable can only put vcc_aux to sleep then there is
-	 * no off state.
-	 */
-	if (mmc_slot(host).vcc_aux_disable_is_sleep)
-		mmc_slot(host).no_off = 1;
-
-	mmc->f_min = OMAP_MMC_MIN_CLOCK;
-
-	if (pdata->max_freq > 0)
-		mmc->f_max = pdata->max_freq;
-	else
-		mmc->f_max = OMAP_MMC_MAX_CLOCK;
-
-	spin_lock_init(&host->irq_lock);
-
-	host->fclk = clk_get(&pdev->dev, "fck");
-	if (IS_ERR(host->fclk)) {
-		ret = PTR_ERR(host->fclk);
-		host->fclk = NULL;
-		goto err1;
-	}
-
-	if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) {
-		dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n");
-		mmc->caps2 |= MMC_CAP2_NO_MULTI_READ;
-	}
-
-	pm_runtime_enable(host->dev);
-	pm_runtime_get_sync(host->dev);
-	pm_runtime_set_autosuspend_delay(host->dev, MMC_AUTOSUSPEND_DELAY);
-	pm_runtime_use_autosuspend(host->dev);
-
-	omap_hsmmc_context_save(host);
-
-	if (cpu_is_omap2430()) {
-		host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
-		/*
-		 * MMC can still work without debounce clock.
-		 */
-		if (IS_ERR(host->dbclk))
-			dev_warn(mmc_dev(host->mmc),
-				"Failed to get debounce clock\n");
-		else
-			host->got_dbclk = 1;
-
-		if (host->got_dbclk)
-			if (clk_enable(host->dbclk) != 0)
-				dev_dbg(mmc_dev(host->mmc), "Enabling debounce"
-							" clk failed\n");
-	}
-
-	/* Since we do only SG emulation, we can have as many segs
-	 * as we want. */
-	mmc->max_segs = 1024;
-
-	mmc->max_blk_size = 512;       /* Block Length at max can be 1024 */
-	mmc->max_blk_count = 0xFFFF;    /* No. of Blocks is 16 bits */
-	mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
-	mmc->max_seg_size = mmc->max_req_size;
-
-	mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
-		     MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE;
-
-	mmc->caps |= mmc_slot(host).caps;
-	if (mmc->caps & MMC_CAP_8_BIT_DATA)
-		mmc->caps |= MMC_CAP_4_BIT_DATA;
-
-	if (mmc_slot(host).nonremovable)
-		mmc->caps |= MMC_CAP_NONREMOVABLE;
-
-	mmc->pm_caps = mmc_slot(host).pm_caps;
-
-	omap_hsmmc_conf_bus_power(host);
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
-	if (!res) {
-		dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n");
-		goto err_irq;
-	}
-	host->dma_line_tx = res->start;
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
-	if (!res) {
-		dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n");
-		goto err_irq;
-	}
-	host->dma_line_rx = res->start;
-
-	/* Request IRQ for MMC operations */
-	ret = request_irq(host->irq, omap_hsmmc_irq, 0,
-			mmc_hostname(mmc), host);
-	if (ret) {
-		dev_dbg(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n");
-		goto err_irq;
-	}
-
-	if (pdata->init != NULL) {
-		if (pdata->init(&pdev->dev) != 0) {
-			dev_dbg(mmc_dev(host->mmc),
-				"Unable to configure MMC IRQs\n");
-			goto err_irq_cd_init;
-		}
-	}
-
-	if (omap_hsmmc_have_reg() && !mmc_slot(host).set_power) {
-		ret = omap_hsmmc_reg_get(host);
-		if (ret)
-			goto err_reg;
-		host->use_reg = 1;
-	}
-
-	mmc->ocr_avail = mmc_slot(host).ocr_mask;
-
-	/* Request IRQ for card detect */
-	if ((mmc_slot(host).card_detect_irq)) {
-		ret = request_threaded_irq(mmc_slot(host).card_detect_irq,
-					   NULL,
-					   omap_hsmmc_detect,
-					   IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-					   mmc_hostname(mmc), host);
-		if (ret) {
-			dev_dbg(mmc_dev(host->mmc),
-				"Unable to grab MMC CD IRQ\n");
-			goto err_irq_cd;
-		}
-		pdata->suspend = omap_hsmmc_suspend_cdirq;
-		pdata->resume = omap_hsmmc_resume_cdirq;
-	}
-
-	omap_hsmmc_disable_irq(host);
-
-	omap_hsmmc_protect_card(host);
-
-	mmc_add_host(mmc);
-
-	if (mmc_slot(host).name != NULL) {
-		ret = device_create_file(&mmc->class_dev, &dev_attr_slot_name);
-		if (ret < 0)
-			goto err_slot_name;
-	}
-	if (mmc_slot(host).card_detect_irq && mmc_slot(host).get_cover_state) {
-		ret = device_create_file(&mmc->class_dev,
-					&dev_attr_cover_switch);
-		if (ret < 0)
-			goto err_slot_name;
-	}
-
-	omap_hsmmc_debugfs(mmc);
-	pm_runtime_mark_last_busy(host->dev);
-	pm_runtime_put_autosuspend(host->dev);
-
-	return 0;
-
-err_slot_name:
-	mmc_remove_host(mmc);
-	free_irq(mmc_slot(host).card_detect_irq, host);
-err_irq_cd:
-	if (host->use_reg)
-		omap_hsmmc_reg_put(host);
-err_reg:
-	if (host->pdata->cleanup)
-		host->pdata->cleanup(&pdev->dev);
-err_irq_cd_init:
-	free_irq(host->irq, host);
-err_irq:
-	pm_runtime_put_sync(host->dev);
-	pm_runtime_disable(host->dev);
-	clk_put(host->fclk);
-	if (host->got_dbclk) {
-		clk_disable(host->dbclk);
-		clk_put(host->dbclk);
-	}
-err1:
-	iounmap(host->base);
-	platform_set_drvdata(pdev, NULL);
-	mmc_free_host(mmc);
-err_alloc:
-	omap_hsmmc_gpio_free(pdata);
-err:
-	release_mem_region(res->start, resource_size(res));
-	return ret;
-}
-
-static int __devexit omap_hsmmc_remove(struct platform_device *pdev)
-{
-	struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
-	struct resource *res;
-
-	pm_runtime_get_sync(host->dev);
-	mmc_remove_host(host->mmc);
-	if (host->use_reg)
-		omap_hsmmc_reg_put(host);
-	if (host->pdata->cleanup)
-		host->pdata->cleanup(&pdev->dev);
-	free_irq(host->irq, host);
-	if (mmc_slot(host).card_detect_irq)
-		free_irq(mmc_slot(host).card_detect_irq, host);
-
-	pm_runtime_put_sync(host->dev);
-	pm_runtime_disable(host->dev);
-	clk_put(host->fclk);
-	if (host->got_dbclk) {
-		clk_disable(host->dbclk);
-		clk_put(host->dbclk);
-	}
-
-	mmc_free_host(host->mmc);
-	iounmap(host->base);
-	omap_hsmmc_gpio_free(pdev->dev.platform_data);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res)
-		release_mem_region(res->start, resource_size(res));
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int omap_hsmmc_suspend(struct device *dev)
-{
-	int ret = 0;
-	struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-
-	if (!host)
-		return 0;
-
-	if (host && host->suspended)
-		return 0;
-
-	pm_runtime_get_sync(host->dev);
-	host->suspended = 1;
-	if (host->pdata->suspend) {
-		ret = host->pdata->suspend(dev, host->slot_id);
-		if (ret) {
-			dev_dbg(dev, "Unable to handle MMC board"
-					" level suspend\n");
-			host->suspended = 0;
-			return ret;
-		}
-	}
-	ret = mmc_suspend_host(host->mmc);
-
-	if (ret) {
-		host->suspended = 0;
-		if (host->pdata->resume) {
-			ret = host->pdata->resume(dev, host->slot_id);
-			if (ret)
-				dev_dbg(dev, "Unmask interrupt failed\n");
-		}
-		goto err;
-	}
-
-	if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
-		omap_hsmmc_disable_irq(host);
-		OMAP_HSMMC_WRITE(host->base, HCTL,
-				OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
-	}
-
-	if (host->got_dbclk)
-		clk_disable(host->dbclk);
-err:
-	pm_runtime_put_sync(host->dev);
-	return ret;
-}
-
-/* Routine to resume the MMC device */
-static int omap_hsmmc_resume(struct device *dev)
-{
-	int ret = 0;
-	struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-
-	if (!host)
-		return 0;
-
-	if (host && !host->suspended)
-		return 0;
-
-	pm_runtime_get_sync(host->dev);
-
-	if (host->got_dbclk)
-		clk_enable(host->dbclk);
-
-	if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
-		omap_hsmmc_conf_bus_power(host);
-
-	if (host->pdata->resume) {
-		ret = host->pdata->resume(dev, host->slot_id);
-		if (ret)
-			dev_dbg(dev, "Unmask interrupt failed\n");
-	}
-
-	omap_hsmmc_protect_card(host);
-
-	/* Notify the core to resume the host */
-	ret = mmc_resume_host(host->mmc);
-	if (ret == 0)
-		host->suspended = 0;
-
-	pm_runtime_mark_last_busy(host->dev);
-	pm_runtime_put_autosuspend(host->dev);
-
-	return ret;
-
-}
-
-#else
-#define omap_hsmmc_suspend	NULL
-#define omap_hsmmc_resume		NULL
-#endif
-
-static int omap_hsmmc_runtime_suspend(struct device *dev)
-{
-	struct omap_hsmmc_host *host;
-
-	host = platform_get_drvdata(to_platform_device(dev));
-	omap_hsmmc_context_save(host);
-	dev_dbg(dev, "disabled\n");
-
-	return 0;
-}
-
-static int omap_hsmmc_runtime_resume(struct device *dev)
-{
-	struct omap_hsmmc_host *host;
-
-	host = platform_get_drvdata(to_platform_device(dev));
-	omap_hsmmc_context_restore(host);
-	dev_dbg(dev, "enabled\n");
-
-	return 0;
-}
-
-static struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
-	.suspend	= omap_hsmmc_suspend,
-	.resume		= omap_hsmmc_resume,
-	.runtime_suspend = omap_hsmmc_runtime_suspend,
-	.runtime_resume = omap_hsmmc_runtime_resume,
-};
-
-static struct platform_driver omap_hsmmc_driver = {
-	.probe		= omap_hsmmc_probe,
-	.remove		= __devexit_p(omap_hsmmc_remove),
-	.driver		= {
-		.name = DRIVER_NAME,
-		.owner = THIS_MODULE,
-		.pm = &omap_hsmmc_dev_pm_ops,
-		.of_match_table = of_match_ptr(omap_mmc_of_match),
-	},
-};
-
-module_platform_driver(omap_hsmmc_driver);
-MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRIVER_NAME);
-MODULE_AUTHOR("Texas Instruments Inc");