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: (66 commits)
  mmc: add new sdhci-pxa driver for Marvell SoCs
  mmc: make number of mmcblk minors configurable
  mmc_spi: Recover from CRC errors for r/w operation over SPI.
  mmc: sdhci-pltfm: add -pltfm driver for imx35/51
  mmc: sdhci-of-esdhc: factor out common stuff
  mmc: sdhci_pltfm: pass more data on custom init call
  mmc: sdhci: introduce get_ro private write-protect hook
  mmc: sdhci-pltfm: move .h file into appropriate subdir
  mmc: sdhci-pltfm: Add structure for host-specific data
  mmc: fix cb710 kconfig dependency warning
  mmc: cb710: remove debugging printk (info duplicated from mmc-core)
  mmc: cb710: clear irq handler on init() error path
  mmc: cb710: remove unnecessary msleep()
  mmc: cb710: implement get_cd() callback
  mmc: cb710: partially demystify clock selection
  mmc: add a file to debugfs for changing host clock at runtime
  mmc: sdhci: allow for eMMC 74 clock generation by controller
  mmc: sdhci: highspeed: check for mmc as well as sd cards
  mmc: sdhci: Add Moorestown device support
  mmc: sdhci: Intel Medfield support
  ...

1 files changed, 43 insertions, 5 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 1575b52c3bf..6d87f68ce4b 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -50,6 +50,12 @@ struct mmc_ios {
 #define MMC_TIMING_LEGACY	0
 #define MMC_TIMING_MMC_HS	1
 #define MMC_TIMING_SD_HS	2
+
+	unsigned char	ddr;			/* dual data rate used */
+
+#define MMC_SDR_MODE		0
+#define MMC_1_2V_DDR_MODE	1
+#define MMC_1_8V_DDR_MODE	2
 };
 
 struct mmc_host_ops {
@@ -123,6 +129,7 @@ struct mmc_host {
 	const struct mmc_host_ops *ops;
 	unsigned int		f_min;
 	unsigned int		f_max;
+	unsigned int		f_init;
 	u32			ocr_avail;
 	struct notifier_block	pm_notify;
 
@@ -157,13 +164,16 @@ struct mmc_host {
 #define MMC_CAP_NONREMOVABLE	(1 << 8)	/* Nonremovable e.g. eMMC */
 #define MMC_CAP_WAIT_WHILE_BUSY	(1 << 9)	/* Waits while card is busy */
 #define MMC_CAP_ERASE		(1 << 10)	/* Allow erase/trim commands */
+#define MMC_CAP_1_8V_DDR	(1 << 11)	/* can support */
+						/* DDR mode at 1.8V */
+#define MMC_CAP_1_2V_DDR	(1 << 12)	/* can support */
+						/* DDR mode at 1.2V */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
 
 	/* host specific block data */
 	unsigned int		max_seg_size;	/* see blk_queue_max_segment_size */
-	unsigned short		max_hw_segs;	/* see blk_queue_max_hw_segments */
-	unsigned short		max_phys_segs;	/* see blk_queue_max_phys_segments */
+	unsigned short		max_segs;	/* see blk_queue_max_segments */
 	unsigned short		unused;
 	unsigned int		max_req_size;	/* maximum number of bytes in one req */
 	unsigned int		max_blk_size;	/* maximum size of one mmc block */
@@ -212,6 +222,10 @@ struct mmc_host {
 	struct led_trigger	*led;		/* activity led */
 #endif
 
+#ifdef CONFIG_REGULATOR
+	bool			regulator_enabled; /* regulator state */
+#endif
+
 	struct dentry		*debugfs_root;
 
 	unsigned long		private[0] ____cacheline_aligned;
@@ -236,8 +250,8 @@ static inline void *mmc_priv(struct mmc_host *host)
 extern int mmc_suspend_host(struct mmc_host *);
 extern int mmc_resume_host(struct mmc_host *);
 
-extern void mmc_power_save_host(struct mmc_host *host);
-extern void mmc_power_restore_host(struct mmc_host *host);
+extern int mmc_power_save_host(struct mmc_host *host);
+extern int mmc_power_restore_host(struct mmc_host *host);
 
 extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
 extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
@@ -250,8 +264,24 @@ static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 
 struct regulator;
 
+#ifdef CONFIG_REGULATOR
 int mmc_regulator_get_ocrmask(struct regulator *supply);
-int mmc_regulator_set_ocr(struct regulator *supply, unsigned short vdd_bit);
+int mmc_regulator_set_ocr(struct mmc_host *mmc,
+			struct regulator *supply,
+			unsigned short vdd_bit);
+#else
+static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
+{
+	return 0;
+}
+
+static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
+				 struct regulator *supply,
+				 unsigned short vdd_bit)
+{
+	return 0;
+}
+#endif
 
 int mmc_card_awake(struct mmc_host *host);
 int mmc_card_sleep(struct mmc_host *host);
@@ -268,5 +298,13 @@ static inline void mmc_set_disable_delay(struct mmc_host *host,
 	host->disable_delay = disable_delay;
 }
 
+/* Module parameter */
+extern int mmc_assume_removable;
+
+static inline int mmc_card_is_removable(struct mmc_host *host)
+{
+	return !(host->caps & MMC_CAP_NONREMOVABLE) && mmc_assume_removable;
+}
+
 #endif