From 6abaa0c9fec563538f2a28a682af8c89bb9b125c Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Tue, 1 May 2007 16:00:02 +0200 Subject: mmc: support unsafe resume of cards Since many have the system root on MMC/SD we must allow some foot shooting when it comes to resume. We cannot detect if a card is removed and reinserted during suspend, so the safe approach would be to assume it was, avoiding potential filesystem corruption. This will of course not work if you cannot release the card before suspend. This commit adds a compile time option that makes the MMC layer assume the card wasn't touched if it is redetected upon resume. Signed-off-by: Pierre Ossman --- drivers/mmc/core/core.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/mmc/core/core.h') diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index fad8edc38099..177264d090ac 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -18,6 +18,8 @@ struct mmc_bus_ops { void (*remove)(struct mmc_host *); void (*detect)(struct mmc_host *); + void (*suspend)(struct mmc_host *); + void (*resume)(struct mmc_host *); }; void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); -- cgit v1.2.3