1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 913e5752569..bfcef8a1ad8 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -62,6 +62,12 @@ struct mmc_ios {
 
 #define MMC_BUS_WIDTH_1         0
 #define MMC_BUS_WIDTH_4         2
+
+        unsigned char   timing;                 /* timing specification used */
+
+#define MMC_TIMING_LEGACY       0
+#define MMC_TIMING_MMC_HS       1
+#define MMC_TIMING_SD_HS        2
 };
 
 struct mmc_host_ops {
@@ -87,6 +93,8 @@ struct mmc_host {
 #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_BYTEBLOCK       (1 << 2)        /* Can do non-log2 block sizes */
+#define MMC_CAP_MMC_HIGHSPEED   (1 << 3)        /* Can do MMC high-speed timing */
+#define MMC_CAP_SD_HIGHSPEED    (1 << 4)        /* Can do SD high-speed timing */
 
         /* host specific block data */
         unsigned int            max_seg_size;   /* see blk_queue_max_segment_size */