diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index bb9014d..8b53ead 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -552,6 +552,32 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num) return 0; } +int mmc_select_hwpart(int dev_num, int hwpart) +{ + struct mmc *mmc = find_mmc_device(dev_num); + int ret; + + if (!mmc) + return -1; + + if (mmc->part_num == hwpart) + return 0; + + if (mmc->part_config == MMCPART_NOAVAILABLE) { + printf("Card doesn't support part_switch\n"); + return -1; + } + + ret = mmc_switch_part(dev_num, hwpart); + if (ret) + return -1; + + mmc->part_num = hwpart; + + return 0; +} + + int mmc_switch_part(int dev_num, unsigned int part_num) { struct mmc *mmc = find_mmc_device(dev_num); |