diff options
| author | Faiz Abbas <faiz_abbas@ti.com> | 2020-02-26 13:44:30 +0530 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2020-03-09 08:33:15 +0800 |
| commit | 32860bdbc1f2d4133c1ef38685c6b02368136fbb (patch) | |
| tree | 19a1f95a352def35d79a151c6c8577cc3e361af4 | |
| parent | 0d3c8584885a7c76929bfa59fa34e44a2134ae1f (diff) | |
| download | u-boot-32860bdbc1f2d4133c1ef38685c6b02368136fbb.tar.gz | |
mmc: Add a deferred_probe() API
Add a deferred_probe() API for platforms that want to do some
configurations just before starting to enumerate the device.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
| -rw-r--r-- | drivers/mmc/mmc-uclass.c | 15 | ||||
| -rw-r--r-- | drivers/mmc/mmc.c | 4 | ||||
| -rw-r--r-- | include/mmc.h | 10 |
3 files changed, 28 insertions, 1 deletions
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 0b90a97650..c75892a72c 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -138,6 +138,21 @@ int mmc_host_power_cycle(struct mmc *mmc) return dm_mmc_host_power_cycle(mmc->dev); } +int dm_mmc_deferred_probe(struct udevice *dev) +{ + struct dm_mmc_ops *ops = mmc_get_ops(dev); + + if (ops->deferred_probe) + return ops->deferred_probe(dev); + + return 0; +} + +int mmc_deferred_probe(struct mmc *mmc) +{ + return dm_mmc_deferred_probe(mmc->dev); +} + int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg) { int val; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index b50fcbf6cf..a347308976 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -2845,7 +2845,9 @@ int mmc_start_init(struct mmc *mmc) */ mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) | MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; - +#if CONFIG_IS_ENABLED(DM_MMC) + mmc_deferred_probe(mmc); +#endif #if !defined(CONFIG_MMC_BROKEN_CD) no_card = mmc_getcd(mmc) == 0; #else diff --git a/include/mmc.h b/include/mmc.h index 8a9ea0bf98..be59ee742b 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -410,6 +410,14 @@ struct mmc; #if CONFIG_IS_ENABLED(DM_MMC) struct dm_mmc_ops { /** + * deferred_probe() - Some configurations that need to be deferred + * to just before enumerating the device + * + * @dev: Device to init + * @return 0 if Ok, -ve if error + */ + int (*deferred_probe)(struct udevice *dev); + /** * send_cmd() - Send a command to the MMC device * * @dev: Device to receive the command @@ -492,6 +500,7 @@ int dm_mmc_get_wp(struct udevice *dev); int dm_mmc_execute_tuning(struct udevice *dev, uint opcode); int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us); int dm_mmc_host_power_cycle(struct udevice *dev); +int dm_mmc_deferred_probe(struct udevice *dev); /* Transition functions for compatibility */ int mmc_set_ios(struct mmc *mmc); @@ -501,6 +510,7 @@ int mmc_execute_tuning(struct mmc *mmc, uint opcode); int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us); int mmc_set_enhanced_strobe(struct mmc *mmc); int mmc_host_power_cycle(struct mmc *mmc); +int mmc_deferred_probe(struct mmc *mmc); #else struct mmc_ops { |