[PATCH] sd: read-only switch

Support for the read-only switch on SD cards which must be enforced by the
host.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 845020d90c60..8c5f71376e41 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -62,6 +62,7 @@ struct mmc_ios {
 struct mmc_host_ops {
         void    (*request)(struct mmc_host *host, struct mmc_request *req);
         void    (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
+        int     (*get_ro)(struct mmc_host *host);
 };
 
 struct mmc_card;