Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (78 commits)
  mmc: MAINTAINERS: add myself as a tmio-mmc maintainer
  mmc: print debug messages for runtime PM actions
  mmc: fix runtime PM with -ENOSYS suspend case
  mmc: at91_mci: move register header from include/ to drivers/
  mmc: mxs-mmc: fix clock rate setting
  mmc: tmio: fix a deadlock
  mmc: tmio: fix a recently introduced bug in DMA code
  mmc: sh_mmcif: maximize power saving
  mmc: tmio: maximize power saving
  mmc: tmio: fix recursive spinlock, don't schedule with interrupts disabled
  mmc: Added quirks for Ricoh 1180:e823 lower base clock frequency
  mmc: omap_hsmmc: fix oops in omap_hsmmc_dma_cb()
  mmc: omap_hsmmc: refactor duplicated code
  mmc: omap_hsmmc: fix a few bugs when setting the clock divisor
  mmc: omap_hsmmc: introduce start_clock and re-use stop_clock
  mmc: omap_hsmmc: split duplicate code to calc_divisor() function
  mmc: omap_hsmmc: move hardcoded frequency constants to defines
  mmc: omap_hsmmc: correct debug report error status mnemonics
  mmc: block: fixed NULL pointer dereference
  mmc: documentation of mmc non-blocking request usage and design.
  ...

20 files changed, 171 insertions, 83 deletions

diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 5a90266c3a5..0dc98044d8b 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -68,6 +68,11 @@
  * controller and report the event to the driver.
  */
 #define TMIO_MMC_HAS_COLD_CD		(1 << 3)
+/*
+ * Some controllers require waiting for the SD bus to become
+ * idle before writing to some registers.
+ */
+#define TMIO_MMC_HAS_IDLE_WAIT		(1 << 4)
 
 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
@@ -80,6 +85,8 @@ struct tmio_mmc_dma {
 	int alignment_shift;
 };
 
+struct tmio_mmc_host;
+
 /*
  * data for the MMC controller
  */
@@ -94,6 +101,7 @@ struct tmio_mmc_data {
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);
 	int (*get_cd)(struct platform_device *host);
+	int (*write16_hook)(struct tmio_mmc_host *host, int addr);
 };
 
 static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
diff --git a/include/linux/mmc/boot.h b/include/linux/mmc/boot.h
index 39d787c229c..23acc3baa07 100644
--- a/include/linux/mmc/boot.h
+++ b/include/linux/mmc/boot.h
@@ -1,7 +1,7 @@
-#ifndef MMC_BOOT_H
-#define MMC_BOOT_H
+#ifndef LINUX_MMC_BOOT_H
+#define LINUX_MMC_BOOT_H
 
 enum { MMC_PROGRESS_ENTER, MMC_PROGRESS_INIT,
        MMC_PROGRESS_LOAD, MMC_PROGRESS_DONE };
 
-#endif
+#endif /* LINUX_MMC_BOOT_H */
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 6ad43554ac0..b460fc2af8a 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -403,4 +403,4 @@ extern void mmc_unregister_driver(struct mmc_driver *);
 extern void mmc_fixup_device(struct mmc_card *card,
 			     const struct mmc_fixup *table);
 
-#endif
+#endif /* LINUX_MMC_CARD_H */
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index b6718e549a5..b8b1b7a311f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -117,6 +117,7 @@ struct mmc_data {
 
 	unsigned int		sg_len;		/* size of scatter list */
 	struct scatterlist	*sg;		/* I/O scatter list */
+	s32			host_cookie;	/* host private data */
 };
 
 struct mmc_request {
@@ -125,13 +126,16 @@ struct mmc_request {
 	struct mmc_data		*data;
 	struct mmc_command	*stop;
 
-	void			*done_data;	/* completion data */
+	struct completion	completion;
 	void			(*done)(struct mmc_request *);/* completion function */
 };
 
 struct mmc_host;
 struct mmc_card;
+struct mmc_async_req;
 
+extern struct mmc_async_req *mmc_start_req(struct mmc_host *,
+					   struct mmc_async_req *, int *);
 extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
 extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
 extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *);
@@ -155,6 +159,7 @@ extern int mmc_can_trim(struct mmc_card *card);
 extern int mmc_can_secure_erase_trim(struct mmc_card *card);
 extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
 				   unsigned int nr);
+extern unsigned int mmc_calc_max_discard(struct mmc_card *card);
 
 extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
 
@@ -179,4 +184,4 @@ static inline void mmc_claim_host(struct mmc_host *host)
 
 extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
 
-#endif
+#endif /* LINUX_MMC_CORE_H */
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index bdd7ceeb99e..6b46819705d 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -11,8 +11,8 @@
  * (at your option) any later version.
  */
 
-#ifndef _LINUX_MMC_DW_MMC_H_
-#define _LINUX_MMC_DW_MMC_H_
+#ifndef LINUX_MMC_DW_MMC_H
+#define LINUX_MMC_DW_MMC_H
 
 #define MAX_MCI_SLOTS	2
 
@@ -48,6 +48,7 @@ struct mmc_data;
  * @data: The data currently being transferred, or NULL if no data
  *	transfer is in progress.
  * @use_dma: Whether DMA channel is initialized or not.
+ * @using_dma: Whether DMA is in use for the current transfer.
  * @sg_dma: Bus address of DMA buffer.
  * @sg_cpu: Virtual address of DMA buffer.
  * @dma_ops: Pointer to platform-specific DMA callbacks.
@@ -74,7 +75,11 @@ struct mmc_data;
  * @pdev: Platform device associated with the MMC controller.
  * @pdata: Platform data associated with the MMC controller.
  * @slot: Slots sharing this MMC controller.
+ * @fifo_depth: depth of FIFO.
  * @data_shift: log2 of FIFO item size.
+ * @part_buf_start: Start index in part_buf.
+ * @part_buf_count: Bytes of partial data in part_buf.
+ * @part_buf: Simple buffer for partial fifo reads/writes.
  * @push_data: Pointer to FIFO push function.
  * @pull_data: Pointer to FIFO pull function.
  * @quirks: Set of quirks that apply to specific versions of the IP.
@@ -117,6 +122,7 @@ struct dw_mci {
 
 	/* DMA interface members*/
 	int			use_dma;
+	int			using_dma;
 
 	dma_addr_t		sg_dma;
 	void			*sg_cpu;
@@ -131,7 +137,7 @@ struct dw_mci {
 	u32			stop_cmdr;
 	u32			dir_status;
 	struct tasklet_struct	tasklet;
-	struct tasklet_struct	card_tasklet;
+	struct work_struct	card_work;
 	unsigned long		pending_events;
 	unsigned long		completed_events;
 	enum dw_mci_state	state;
@@ -146,7 +152,15 @@ struct dw_mci {
 	struct dw_mci_slot	*slot[MAX_MCI_SLOTS];
 
 	/* FIFO push and pull */
+	int			fifo_depth;
 	int			data_shift;
+	u8			part_buf_start;
+	u8			part_buf_count;
+	union {
+		u16		part_buf16;
+		u32		part_buf32;
+		u64		part_buf;
+	};
 	void (*push_data)(struct dw_mci *host, void *buf, int cnt);
 	void (*pull_data)(struct dw_mci *host, void *buf, int cnt);
 
@@ -196,6 +210,12 @@ struct dw_mci_board {
 	unsigned int bus_hz; /* Bus speed */
 
 	unsigned int caps;	/* Capabilities */
+	/*
+	 * Override fifo depth. If 0, autodetect it from the FIFOTH register,
+	 * but note that this may not be reliable after a bootloader has used
+	 * it.
+	 */
+	unsigned int fifo_depth;
 
 	/* delay in mS before detecting cards after interrupt */
 	u32 detect_delay_ms;
@@ -219,4 +239,4 @@ struct dw_mci_board {
 	struct block_settings *blk_settings;
 };
 
-#endif /* _LINUX_MMC_DW_MMC_H_ */
+#endif /* LINUX_MMC_DW_MMC_H */
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 1ee4424462e..0f83858147a 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -106,6 +106,15 @@ struct mmc_host_ops {
 	 */
 	int (*enable)(struct mmc_host *host);
 	int (*disable)(struct mmc_host *host, int lazy);
+	/*
+	 * It is optional for the host to implement pre_req and post_req in
+	 * order to support double buffering of requests (prepare one
+	 * request while another request is active).
+	 */
+	void	(*post_req)(struct mmc_host *host, struct mmc_request *req,
+			    int err);
+	void	(*pre_req)(struct mmc_host *host, struct mmc_request *req,
+			   bool is_first_req);
 	void	(*request)(struct mmc_host *host, struct mmc_request *req);
 	/*
 	 * Avoid calling these three functions too often or in a "fast path",
@@ -139,11 +148,22 @@ struct mmc_host_ops {
 	int	(*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);
 	int	(*execute_tuning)(struct mmc_host *host);
 	void	(*enable_preset_value)(struct mmc_host *host, bool enable);
+	int	(*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
 };
 
 struct mmc_card;
 struct device;
 
+struct mmc_async_req {
+	/* active mmc request */
+	struct mmc_request	*mrq;
+	/*
+	 * Check error status of completed mmc request.
+	 * Returns 0 if success otherwise non zero.
+	 */
+	int (*err_check) (struct mmc_card *, struct mmc_async_req *);
+};
+
 struct mmc_host {
 	struct device		*parent;
 	struct device		class_dev;
@@ -231,6 +251,7 @@ struct mmc_host {
 	unsigned int		max_req_size;	/* maximum number of bytes in one req */
 	unsigned int		max_blk_size;	/* maximum size of one mmc block */
 	unsigned int		max_blk_count;	/* maximum number of blocks in one req */
+	unsigned int		max_discard_to;	/* max. discard timeout in ms */
 
 	/* private data */
 	spinlock_t		lock;		/* lock for claim and bus ops */
@@ -281,6 +302,8 @@ struct mmc_host {
 
 	struct dentry		*debugfs_root;
 
+	struct mmc_async_req	*areq;		/* active async req */
+
 	unsigned long		private[0] ____cacheline_aligned;
 };
 
@@ -373,5 +396,4 @@ static inline int mmc_host_cmd23(struct mmc_host *host)
 {
 	return host->caps & MMC_CAP_CMD23;
 }
-#endif
-
+#endif /* LINUX_MMC_HOST_H */
diff --git a/include/linux/mmc/ioctl.h b/include/linux/mmc/ioctl.h
index 5baf2983a12..8fa5bc5f805 100644
--- a/include/linux/mmc/ioctl.h
+++ b/include/linux/mmc/ioctl.h
@@ -51,4 +51,4 @@ struct mmc_ioc_cmd {
  * block device operations.
  */
 #define MMC_IOC_MAX_BYTES  (512L * 256)
-#endif  /* LINUX_MMC_IOCTL_H */
+#endif /* LINUX_MMC_IOCTL_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index ac26a685cca..5a794cb503e 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -21,8 +21,8 @@
  *          15 May 2002
  */
 
-#ifndef MMC_MMC_H
-#define MMC_MMC_H
+#ifndef LINUX_MMC_MMC_H
+#define LINUX_MMC_MMC_H
 
 /* Standard MMC commands (4.1)           type  argument     response */
    /* class 1 */
@@ -140,6 +140,16 @@ static inline bool mmc_op_multi(u32 opcode)
 #define R1_SWITCH_ERROR		(1 << 7)	/* sx, c */
 #define R1_APP_CMD		(1 << 5)	/* sr, c */
 
+#define R1_STATE_IDLE	0
+#define R1_STATE_READY	1
+#define R1_STATE_IDENT	2
+#define R1_STATE_STBY	3
+#define R1_STATE_TRAN	4
+#define R1_STATE_DATA	5
+#define R1_STATE_RCV	6
+#define R1_STATE_PRG	7
+#define R1_STATE_DIS	8
+
 /*
  * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
  * R1 is the low order byte; R2 is the next highest byte, when present.
@@ -327,5 +337,4 @@ struct _mmc_csd {
 #define MMC_SWITCH_MODE_CLEAR_BITS	0x02	/* Clear bits which are 1 in value */
 #define MMC_SWITCH_MODE_WRITE_BYTE	0x03	/* Set target to value */
 
-#endif  /* MMC_MMC_PROTOCOL_H */
-
+#endif /* LINUX_MMC_MMC_H */
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h
index d37aac49cf9..4a139204c20 100644
--- a/include/linux/mmc/pm.h
+++ b/include/linux/mmc/pm.h
@@ -27,4 +27,4 @@ typedef unsigned int mmc_pm_flag_t;
 #define MMC_PM_KEEP_POWER	(1 << 0)	/* preserve card power during suspend */
 #define MMC_PM_WAKE_SDIO_IRQ	(1 << 1)	/* wake up host system on SDIO IRQ assertion */
 
-#endif
+#endif /* LINUX_MMC_PM_H */
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 7d35d52c3df..1ebcf9ba125 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -9,8 +9,8 @@
  * your option) any later version.
  */
 
-#ifndef MMC_SD_H
-#define MMC_SD_H
+#ifndef LINUX_MMC_SD_H
+#define LINUX_MMC_SD_H
 
 /* SD commands                           type  argument     response */
   /* class 0 */
@@ -91,5 +91,4 @@
 #define SD_SWITCH_ACCESS_DEF	0
 #define SD_SWITCH_ACCESS_HS	1
 
-#endif
-
+#endif /* LINUX_MMC_SD_H */
diff --git a/include/linux/mmc/sdhci-pltfm.h b/include/linux/mmc/sdhci-pltfm.h
deleted file mode 100644
index 548d59d404c..00000000000
--- a/include/linux/mmc/sdhci-pltfm.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Platform data declarations for the sdhci-pltfm driver.
- *
- * Copyright (c) 2010 MontaVista Software, LLC.
- *
- * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- */
-
-#ifndef _SDHCI_PLTFM_H
-#define _SDHCI_PLTFM_H
-
-struct sdhci_ops;
-struct sdhci_host;
-
-/**
- * struct sdhci_pltfm_data - SDHCI platform-specific information & hooks
- * @ops: optional pointer to the platform-provided SDHCI ops
- * @quirks: optional SDHCI quirks
- * @init: optional hook that is called during device probe, before the
- *        driver tries to access any SDHCI registers
- * @exit: optional hook that is called during device removal
- */
-struct sdhci_pltfm_data {
-	struct sdhci_ops *ops;
-	unsigned int quirks;
-	int (*init)(struct sdhci_host *host, struct sdhci_pltfm_data *pdata);
-	void (*exit)(struct sdhci_host *host);
-};
-
-#endif /* _SDHCI_PLTFM_H */
diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h
index 9188c973f3e..5cdc96da9dd 100644
--- a/include/linux/mmc/sdhci-spear.h
+++ b/include/linux/mmc/sdhci-spear.h
@@ -11,8 +11,8 @@
  * warranty of any kind, whether express or implied.
  */
 
-#ifndef MMC_SDHCI_SPEAR_H
-#define MMC_SDHCI_SPEAR_H
+#ifndef LINUX_MMC_SDHCI_SPEAR_H
+#define LINUX_MMC_SDHCI_SPEAR_H
 
 #include <linux/platform_device.h>
 /*
@@ -39,4 +39,4 @@ sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data)
 	pdev->dev.platform_data = data;
 }
 
-#endif /* MMC_SDHCI_SPEAR_H */
+#endif /* LINUX_MMC_SDHCI_SPEAR_H */
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 6a68c4eb4e4..5666f3abfab 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -8,8 +8,8 @@
  * the Free Software Foundation; either version 2 of the License, or (at
  * your option) any later version.
  */
-#ifndef __SDHCI_H
-#define __SDHCI_H
+#ifndef LINUX_MMC_SDHCI_H
+#define LINUX_MMC_SDHCI_H
 
 #include <linux/scatterlist.h>
 #include <linux/compiler.h>
@@ -162,4 +162,4 @@ struct sdhci_host {
 
 	unsigned long private[0] ____cacheline_aligned;
 };
-#endif /* __SDHCI_H */
+#endif /* LINUX_MMC_SDHCI_H */
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index 245cdacee54..2a2e9905a24 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -9,8 +9,8 @@
  * your option) any later version.
  */
 
-#ifndef MMC_SDIO_H
-#define MMC_SDIO_H
+#ifndef LINUX_MMC_SDIO_H
+#define LINUX_MMC_SDIO_H
 
 /* SDIO commands                         type  argument     response */
 #define SD_IO_SEND_OP_COND          5 /* bcr  [23:0] OCR         R4  */
@@ -161,5 +161,4 @@
 
 #define SDIO_FBR_BLKSIZE	0x10	/* block size (2 bytes) */
 
-#endif
-
+#endif /* LINUX_MMC_SDIO_H */
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 31baaf82f45..50f0bc95232 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -9,8 +9,8 @@
  * your option) any later version.
  */
 
-#ifndef MMC_SDIO_FUNC_H
-#define MMC_SDIO_FUNC_H
+#ifndef LINUX_MMC_SDIO_FUNC_H
+#define LINUX_MMC_SDIO_FUNC_H
 
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
@@ -161,5 +161,4 @@ extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
 extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
 extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
 
-#endif
-
+#endif /* LINUX_MMC_SDIO_FUNC_H */
diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index a36ab3bc7b0..9f03feedc8e 100644
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -2,8 +2,8 @@
  * SDIO Classes, Interface Types, Manufacturer IDs, etc.
  */
 
-#ifndef MMC_SDIO_IDS_H
-#define MMC_SDIO_IDS_H
+#ifndef LINUX_MMC_SDIO_IDS_H
+#define LINUX_MMC_SDIO_IDS_H
 
 /*
  * Standard SDIO Function Interfaces
@@ -44,4 +44,4 @@
 #define SDIO_DEVICE_ID_SIANO_NOVA_A0		0x1100
 #define SDIO_DEVICE_ID_SIANO_STELLAR 		0x5347
 
-#endif
+#endif /* LINUX_MMC_SDIO_IDS_H */
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index 9eb9b4b96f5..0222cd8ebe7 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -11,8 +11,8 @@
  *
  */
 
-#ifndef __SH_MMCIF_H__
-#define __SH_MMCIF_H__
+#ifndef LINUX_MMC_SH_MMCIF_H
+#define LINUX_MMC_SH_MMCIF_H
 
 #include <linux/io.h>
 #include <linux/platform_device.h>
@@ -220,4 +220,4 @@ static inline void sh_mmcif_boot_init(void __iomem *base)
 	sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000);
 }
 
-#endif /* __SH_MMCIF_H__ */
+#endif /* LINUX_MMC_SH_MMCIF_H */
diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h
index faf32b6ec18..bd50b365167 100644
--- a/include/linux/mmc/sh_mobile_sdhi.h
+++ b/include/linux/mmc/sh_mobile_sdhi.h
@@ -1,5 +1,5 @@
-#ifndef __SH_MOBILE_SDHI_H__
-#define __SH_MOBILE_SDHI_H__
+#ifndef LINUX_MMC_SH_MOBILE_SDHI_H
+#define LINUX_MMC_SH_MOBILE_SDHI_H
 
 #include <linux/types.h>
 
@@ -17,4 +17,4 @@ struct sh_mobile_sdhi_info {
 	int (*get_cd)(struct platform_device *pdev);
 };
 
-#endif /* __SH_MOBILE_SDHI_H__ */
+#endif /* LINUX_MMC_SH_MOBILE_SDHI_H */
diff --git a/include/linux/mmc/tmio.h b/include/linux/mmc/tmio.h
index 19490b942db..a1c1f321e51 100644
--- a/include/linux/mmc/tmio.h
+++ b/include/linux/mmc/tmio.h
@@ -12,8 +12,8 @@
  *
  * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
  */
-#ifndef _LINUX_MMC_TMIO_H_
-#define _LINUX_MMC_TMIO_H_
+#ifndef LINUX_MMC_TMIO_H
+#define LINUX_MMC_TMIO_H
 
 #define CTL_SD_CMD 0x00
 #define CTL_ARG_REG 0x04
@@ -21,6 +21,7 @@
 #define CTL_XFER_BLK_COUNT 0xa
 #define CTL_RESPONSE 0x0c
 #define CTL_STATUS 0x1c
+#define CTL_STATUS2 0x1e
 #define CTL_IRQ_MASK 0x20
 #define CTL_SD_CARD_CLK_CTL 0x24
 #define CTL_SD_XFER_LEN 0x26
@@ -30,6 +31,7 @@
 #define CTL_TRANSACTION_CTL 0x34
 #define CTL_SDIO_STATUS 0x36
 #define CTL_SDIO_IRQ_MASK 0x38
+#define CTL_DMA_ENABLE 0xd8
 #define CTL_RESET_SD 0xe0
 #define CTL_SDIO_REGS 0x100
 #define CTL_CLK_AND_WAIT_CTL 0x138
@@ -60,4 +62,4 @@
 
 #define TMIO_BBS		512		/* Boot block size */
 
-#endif /* _LINUX_MMC_TMIO_H_ */
+#endif /* LINUX_MMC_TMIO_H */
diff --git a/include/linux/platform_data/pxa_sdhci.h b/include/linux/platform_data/pxa_sdhci.h
new file mode 100644
index 00000000000..51ad0995aba
--- /dev/null
+++ b/include/linux/platform_data/pxa_sdhci.h
@@ -0,0 +1,60 @@
+/*
+ * include/linux/platform_data/pxa_sdhci.h
+ *
+ * Copyright 2010 Marvell
+ *	Zhangfei Gao <zhangfei.gao@marvell.com>
+ *
+ * PXA Platform - SDHCI platform data definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _PXA_SDHCI_H_
+#define _PXA_SDHCI_H_
+
+/* pxa specific flag */
+/* Require clock free running */
+#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0)
+/* card always wired to host, like on-chip emmc */
+#define PXA_FLAG_CARD_PERMANENT	(1<<1)
+/* Board design supports 8-bit data on SD/SDIO BUS */
+#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2)
+
+/*
+ * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI
+ * @flags: flags for platform requirement
+ * @clk_delay_cycles:
+ *	mmp2: each step is roughly 100ps, 5bits width
+ *	pxa910: each step is 1ns, 4bits width
+ * @clk_delay_sel: select clk_delay, used on pxa910
+ *	0: choose feedback clk
+ *	1: choose feedback clk + delay value
+ *	2: choose internal clk
+ * @clk_delay_enable: enable clk_delay or not, used on pxa910
+ * @ext_cd_gpio: gpio pin used for external CD line
+ * @ext_cd_gpio_invert: invert values for external CD gpio line
+ * @max_speed: the maximum speed supported
+ * @host_caps: Standard MMC host capabilities bit field.
+ * @quirks: quirks of platfrom
+ * @pm_caps: pm_caps of platfrom
+ */
+struct sdhci_pxa_platdata {
+	unsigned int	flags;
+	unsigned int	clk_delay_cycles;
+	unsigned int	clk_delay_sel;
+	bool		clk_delay_enable;
+	unsigned int	ext_cd_gpio;
+	bool		ext_cd_gpio_invert;
+	unsigned int	max_speed;
+	unsigned int	host_caps;
+	unsigned int	quirks;
+	unsigned int	pm_caps;
+};
+
+struct sdhci_pxa {
+	u8	clk_enable;
+	u8	power_mode;
+};
+#endif /* _PXA_SDHCI_H_ */