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| author | Nikita Kiryanov <nikita@compulab.co.il> | 2012-12-03 02:19:46 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-03-08 16:41:13 -0500 |
| commit | d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d (patch) | |
| tree | 936923cdc7450422639747e99a83e5ce9843198a /drivers/mmc/mmc.c | |
| parent | 5c1214de8c7b8b3e807ec09508e653580872e599 (diff) | |
| download | u-boot-imx-d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d.zip u-boot-imx-d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d.tar.gz u-boot-imx-d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d.tar.bz2 | |
mmc: add support for write protection
Add generic mmc write protection functionality.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72e8ce6..7b5fdd9 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; } |