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mmc: add a reinit() API

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For DM_MMC, the controller re-initialization is needed to
clear old configuration for mmc rescan.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Yangbo Lu
2020-09-01 16:57:59 +08:00
committed by Peng Fan
parent 726561a941
commit 390f9bddb9
3 changed files with 31 additions and 2 deletions
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10
include/mmc.h
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@@ -421,6 +421,14 @@ struct dm_mmc_ops {
* @return 0 if Ok, -ve if error
*/
int (*deferred_probe)(struct udevice *dev);
/**
* reinit() - Re-initialization to clear old configuration for
* mmc rescan.
*
* @dev: Device to reinit
* @return 0 if Ok, -ve if error
*/
int (*reinit)(struct udevice *dev);
/**
* send_cmd() - Send a command to the MMC device
*
@@ -518,6 +526,7 @@ 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);
int dm_mmc_reinit(struct udevice *dev);
int dm_mmc_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt);
/* Transition functions for compatibility */
@@ -529,6 +538,7 @@ 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);
int mmc_reinit(struct mmc *mmc);
int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt);
#else