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-rw-r--r--include/linux/mmc/sdio_func.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index c6c0cceba5f..31baaf82f45 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -145,6 +145,9 @@ extern void sdio_writew(struct sdio_func *func, u16 b,
extern void sdio_writel(struct sdio_func *func, u32 b,
unsigned int addr, int *err_ret);
+extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
+ unsigned int addr, int *err_ret);
+
extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
void *src, int count);
extern int sdio_writesb(struct sdio_func *func, unsigned int addr,