diff options
| author | Simon Glass | 2016-05-01 11:36:07 -0600 |
|---|---|---|
| committer | Simon Glass | 2016-05-17 09:54:43 -0600 |
| commit | 663acabdc548216d61a9d2b1f789d4e6606f7a52 (patch) | |
| tree | ad678dd20e470fff69eb8aaabb0eb26b52a3c3dd /drivers/mmc/mmc.c | |
| parent | c0543bf6be4bac277d65c601f9150c7faf3d125e (diff) | |
dm: mmc: Add a legacy block interface for MMC
Add a legacy block interface for MMC.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index d3c22abfd5a..024368c7274 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1582,14 +1582,31 @@ void mmc_destroy(struct mmc *mmc) free(mmc); } +static int mmc_get_devp(int dev, struct blk_desc **descp) +{ + struct mmc *mmc = find_mmc_device(dev); + int ret; + + if (!mmc) + return -ENODEV; + ret = mmc_init(mmc); + if (ret) + return ret; + + *descp = &mmc->block_dev; + + return 0; +} + #ifdef CONFIG_PARTITIONS struct blk_desc *mmc_get_dev(int dev) { - struct mmc *mmc = find_mmc_device(dev); - if (!mmc || mmc_init(mmc)) + struct blk_desc *desc; + + if (mmc_get_devp(dev, &desc)) return NULL; - return &mmc->block_dev; + return desc; } #endif @@ -1965,3 +1982,10 @@ int mmc_set_rst_n_function(struct mmc *mmc, u8 enable) enable); } #endif + +U_BOOT_LEGACY_BLK(mmc) = { + .if_typename = "mmc", + .if_type = IF_TYPE_MMC, + .max_devs = -1, + .get_dev = mmc_get_devp, +}; |