4 files changed, 39 insertions, 16 deletions

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d0c3abed74c2..143cebf0586f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -135,6 +135,7 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
         struct mmc_command *, int);
 
 extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
+extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
 
 extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
 extern void mmc_release_host(struct mmc_host *host);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 7ab962fa1d73..10a2080086ca 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -51,8 +51,30 @@ struct mmc_ios {
 
 struct mmc_host_ops {
         void    (*request)(struct mmc_host *host, struct mmc_request *req);
+        /*
+         * Avoid calling these three functions too often or in a "fast path",
+         * since underlaying controller might implement them in an expensive
+         * and/or slow way.
+         *
+         * Also note that these functions might sleep, so don't call them
+         * in the atomic contexts!
+         *
+         * Return values for the get_ro callback should be:
+         *   0 for a read/write card
+         *   1 for a read-only card
+         *   -ENOSYS when not supported (equal to NULL callback)
+         *   or a negative errno value when something bad happened
+         *
+         * Return values for the get_ro callback should be:
+         *   0 for a absent card
+         *   1 for a present card
+         *   -ENOSYS when not supported (equal to NULL callback)
+         *   or a negative errno value when something bad happened
+         */
         void    (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
         int     (*get_ro)(struct mmc_host *host);
+        int     (*get_cd)(struct mmc_host *host);
+
         void    (*enable_sdio_irq)(struct mmc_host *host, int enable);
 };
 
@@ -89,11 +111,11 @@ struct mmc_host {
         unsigned long           caps;           /* Host capabilities */
 
 #define MMC_CAP_4_BIT_DATA      (1 << 0)        /* Can the host do 4 bit transfers */
-#define MMC_CAP_MULTIWRITE      (1 << 1)        /* Can accurately report bytes sent to card on error */
-#define MMC_CAP_MMC_HIGHSPEED   (1 << 2)        /* Can do MMC high-speed timing */
-#define MMC_CAP_SD_HIGHSPEED    (1 << 3)        /* Can do SD high-speed timing */
-#define MMC_CAP_SDIO_IRQ        (1 << 4)        /* Can signal pending SDIO IRQs */
-#define MMC_CAP_SPI             (1 << 5)        /* Talks only SPI protocols */
+#define MMC_CAP_MMC_HIGHSPEED   (1 << 1)        /* Can do MMC high-speed timing */
+#define MMC_CAP_SD_HIGHSPEED    (1 << 2)        /* Can do SD high-speed timing */
+#define MMC_CAP_SDIO_IRQ        (1 << 3)        /* Can signal pending SDIO IRQs */
+#define MMC_CAP_SPI             (1 << 4)        /* Talks only SPI protocols */
+#define MMC_CAP_NEEDS_POLL      (1 << 5)        /* Needs polling for card-detection */
 
         /* host specific block data */
         unsigned int            max_seg_size;   /* see blk_queue_max_segment_size */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 4236fbf0b6fb..14b81f3e5232 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -16,7 +16,6 @@
  * Based strongly on code by:
  *
  * Author: Yong-iL Joh <tolkien@mizi.com>
- * Date  : $Date: 2002/06/18 12:37:30 $
  *
  * Author:  Andrew Christian
  *          15 May 2002
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index b050f4d7b41f..07bee4a0d457 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -1,7 +1,7 @@
 /*
  *  include/linux/mmc/sdio_func.h
  *
- *  Copyright 2007 Pierre Ossman
+ *  Copyright 2007-2008 Pierre Ossman
  *
  * 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
@@ -46,6 +46,8 @@ struct sdio_func {
         unsigned                max_blksize;    /* maximum block size */
         unsigned                cur_blksize;    /* current block size */
 
+        unsigned                enable_timeout; /* max enable timeout in msec */
+
         unsigned int            state;          /* function state */
 #define SDIO_STATE_PRESENT      (1<<0)          /* present in sysfs */
 
@@ -120,23 +122,22 @@ extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz);
 extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
 extern int sdio_release_irq(struct sdio_func *func);
 
-extern unsigned char sdio_readb(struct sdio_func *func,
-        unsigned int addr, int *err_ret);
-extern unsigned short sdio_readw(struct sdio_func *func,
-        unsigned int addr, int *err_ret);
-extern unsigned long sdio_readl(struct sdio_func *func,
-        unsigned int addr, int *err_ret);
+extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);
+
+extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);
 
 extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst,
         unsigned int addr, int count);
 extern int sdio_readsb(struct sdio_func *func, void *dst,
         unsigned int addr, int count);
 
-extern void sdio_writeb(struct sdio_func *func, unsigned char b,
+extern void sdio_writeb(struct sdio_func *func, u8 b,
         unsigned int addr, int *err_ret);
-extern void sdio_writew(struct sdio_func *func, unsigned short b,
+extern void sdio_writew(struct sdio_func *func, u16 b,
         unsigned int addr, int *err_ret);
-extern void sdio_writel(struct sdio_func *func, unsigned long b,
+extern void sdio_writel(struct sdio_func *func, u32 b,
         unsigned int addr, int *err_ret);
 
 extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,