diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index ac26a68..e10b278 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -211,6 +211,7 @@
  * OCR bits are mostly in host.h
  */
 #define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */
+#define MMC_CARD_SECTOR_ADDR 0x40000000 /* Card supports sectors */
 
 /*
  * Card Command Classes (CCC)