mmc: detect SDIO cards

Really basic init sequence for SDIO cards.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index badf702fcff..43480ebebf9 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -67,6 +67,7 @@ struct mmc_card {
         unsigned int            type;           /* card type */
 #define MMC_TYPE_MMC            0               /* MMC card */
 #define MMC_TYPE_SD             1               /* SD card */
+#define MMC_TYPE_SDIO           2               /* SDIO card */
         unsigned int            state;          /* (our) card state */
 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
 #define MMC_STATE_READONLY      (1<<1)          /* card is read-only */
@@ -84,6 +85,7 @@ struct mmc_card {
 
 #define mmc_card_mmc(c)         ((c)->type == MMC_TYPE_MMC)
 #define mmc_card_sd(c)          ((c)->type == MMC_TYPE_SD)
+#define mmc_card_sdio(c)        ((c)->type == MMC_TYPE_SDIO)
 
 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)