1 files changed, 30 insertions, 29 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bfcef8a1ad8b..b1350dfd3e91 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -10,36 +10,13 @@
 #ifndef LINUX_MMC_HOST_H
 #define LINUX_MMC_HOST_H
 
-#include <linux/mmc/mmc.h>
+#include <linux/mmc/core.h>
 
 struct mmc_ios {
         unsigned int    clock;                  /* clock rate */
         unsigned short  vdd;
 
-#define MMC_VDD_150     0
-#define MMC_VDD_155     1
-#define MMC_VDD_160     2
-#define MMC_VDD_165     3
-#define MMC_VDD_170     4
-#define MMC_VDD_180     5
-#define MMC_VDD_190     6
-#define MMC_VDD_200     7
-#define MMC_VDD_210     8
-#define MMC_VDD_220     9
-#define MMC_VDD_230     10
-#define MMC_VDD_240     11
-#define MMC_VDD_250     12
-#define MMC_VDD_260     13
-#define MMC_VDD_270     14
-#define MMC_VDD_280     15
-#define MMC_VDD_290     16
-#define MMC_VDD_300     17
-#define MMC_VDD_310     18
-#define MMC_VDD_320     19
-#define MMC_VDD_330     20
-#define MMC_VDD_340     21
-#define MMC_VDD_350     22
-#define MMC_VDD_360     23
+/* vdd stores the bit number of the selected voltage range from below. */
 
         unsigned char   bus_mode;               /* command output mode */
 
@@ -88,6 +65,24 @@ struct mmc_host {
         unsigned int            f_max;
         u32                     ocr_avail;
 
+#define MMC_VDD_165_195         0x00000080      /* VDD voltage 1.65 - 1.95 */
+#define MMC_VDD_20_21           0x00000100      /* VDD voltage 2.0 ~ 2.1 */
+#define MMC_VDD_21_22           0x00000200      /* VDD voltage 2.1 ~ 2.2 */
+#define MMC_VDD_22_23           0x00000400      /* VDD voltage 2.2 ~ 2.3 */
+#define MMC_VDD_23_24           0x00000800      /* VDD voltage 2.3 ~ 2.4 */
+#define MMC_VDD_24_25           0x00001000      /* VDD voltage 2.4 ~ 2.5 */
+#define MMC_VDD_25_26           0x00002000      /* VDD voltage 2.5 ~ 2.6 */
+#define MMC_VDD_26_27           0x00004000      /* VDD voltage 2.6 ~ 2.7 */
+#define MMC_VDD_27_28           0x00008000      /* VDD voltage 2.7 ~ 2.8 */
+#define MMC_VDD_28_29           0x00010000      /* VDD voltage 2.8 ~ 2.9 */
+#define MMC_VDD_29_30           0x00020000      /* VDD voltage 2.9 ~ 3.0 */
+#define MMC_VDD_30_31           0x00040000      /* VDD voltage 3.0 ~ 3.1 */
+#define MMC_VDD_31_32           0x00080000      /* VDD voltage 3.1 ~ 3.2 */
+#define MMC_VDD_32_33           0x00100000      /* VDD voltage 3.2 ~ 3.3 */
+#define MMC_VDD_33_34           0x00200000      /* VDD voltage 3.3 ~ 3.4 */
+#define MMC_VDD_34_35           0x00400000      /* VDD voltage 3.4 ~ 3.5 */
+#define MMC_VDD_35_36           0x00800000      /* VDD voltage 3.5 ~ 3.6 */
+
         unsigned long           caps;           /* Host capabilities */
 
 #define MMC_CAP_4_BIT_DATA      (1 << 0)        /* Can the host do 4 bit transfers */
@@ -106,6 +101,8 @@ struct mmc_host {
         unsigned int            max_blk_count;  /* maximum number of blocks in one req */
 
         /* private data */
+        spinlock_t              lock;           /* lock for claim and bus ops */
+
         struct mmc_ios          ios;            /* current io bus settings */
         u32                     ocr;            /* the current OCR setting */
 
@@ -113,15 +110,19 @@ struct mmc_host {
 #define MMC_MODE_MMC            0
 #define MMC_MODE_SD             1
 
-        struct list_head        cards;          /* devices attached to this host */
+        struct mmc_card         *card;          /* device attached to this host */
 
         wait_queue_head_t       wq;
-        spinlock_t              lock;           /* claimed lock */
         unsigned int            claimed:1;      /* host exclusively claimed */
 
-        struct mmc_card         *card_selected; /* the selected MMC card */
-
         struct delayed_work     detect;
+#ifdef CONFIG_MMC_DEBUG
+        unsigned int            removed:1;      /* host is being removed */
+#endif
+
+        const struct mmc_bus_ops *bus_ops;      /* current bus driver */
+        unsigned int            bus_refs;       /* reference counter */
+        unsigned int            bus_dead:1;     /* bus has been released */
 
         unsigned long           private[0] ____cacheline_aligned;
 };