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[PATCH] mmc: wbsd Secure Digital support

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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>
This commit is contained in:
Pierre Ossman
2005-09-06 15:18:57 -07:00
committed by Linus Torvalds
parent e619524fe5
commit 65ae2118e8
2 changed files with 57 additions and 6 deletions
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3
drivers/mmc/wbsd.h
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@@ -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 @@ struct wbsd_host
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 */