/* 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 */