[PATCH] mmc: wbsd Secure Digital support
Add support for Secure Digital specific features in the wbsd driver. Adds
support for read-only switch and wide bus transfers.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h
index 8af4354..9005b52 100644
--- a/drivers/mmc/wbsd.h
+++ b/drivers/mmc/wbsd.h
@@ -106,6 +106,8 @@
#define WBSD_CLK_16M 0x02
#define WBSD_CLK_24M 0x03
+#define WBSD_DATA_WIDTH 0x01
+
#define WBSD_DAT3_H 0x08
#define WBSD_FIFO_RESET 0x04
#define WBSD_SOFT_RESET 0x02
@@ -164,6 +166,7 @@
int firsterr; /* See fifo functions */
u8 clk; /* Current clock speed */
+ unsigned char bus_width; /* Current bus width */
int config; /* Config port */
u8 unlock_code; /* Code to unlock config */
