From d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d Mon Sep 17 00:00:00 2001 From: Nikita Kiryanov Date: Mon, 3 Dec 2012 02:19:46 +0000 Subject: mmc: add support for write protection Add generic mmc write protection functionality. Signed-off-by: Nikita Kiryanov Signed-off-by: Igor Grinberg --- drivers/mmc/mmc.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/mmc/mmc.c') diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72e8ce6da..7b5fdd9f6 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -40,6 +40,23 @@ static struct list_head mmc_devices; static int cur_dev_num = -1; +int __weak board_mmc_getwp(struct mmc *mmc) +{ + return -1; +} + +int mmc_getwp(struct mmc *mmc) +{ + int wp; + + wp = board_mmc_getwp(mmc); + + if ((wp < 0) && mmc->getwp) + wp = mmc->getwp(mmc); + + return wp; +} + int __board_mmc_getcd(struct mmc *mmc) { return -1; } -- cgit v1.2.3-70-g09d2