1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index ad7413854f79..adb4888248be 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -124,6 +124,7 @@ struct mmc_card {
                                                 /* for byte mode */
 #define MMC_QUIRK_NONSTD_SDIO   (1<<2)          /* non-standard SDIO card attached */
                                                 /* (missing CIA registers) */
+#define MMC_QUIRK_BROKEN_CLK_GATING (1<<3)      /* clock gating the sdio bus will make card fail */
 
         unsigned int            erase_size;     /* erase size in sectors */
         unsigned int            erase_shift;    /* if erase unit is power 2 */