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-rw-r--r--include/linux/mmc/sdio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index 9b1ec76cac37..47ba464f5170 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -132,6 +132,8 @@
* Function Basic Registers (FBR)
*/
+#define SDIO_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */
+
#define SDIO_FBR_STD_IF 0x00
#define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */