diff options
| author | Haibo Chen | 2020-06-15 17:18:12 +0800 |
|---|---|---|
| committer | Peng Fan | 2020-06-24 14:05:30 +0800 |
| commit | fe95905ffed57d617cad81a71ac419d53aaa1ebf (patch) | |
| tree | 17704f7ef36ce51f9b1c8adb869de5e6fb0a3a06 /drivers/mmc/bcm2835_sdhost.c | |
| parent | ba61676ff9f8225ebc0ea33ad9f48862e718fd01 (diff) | |
mmc: retry CMD1 in mmc_send_op_cond() until the eMMC is ready
According to eMMC specification v5.1 section 6.4.3, we should issue
CMD1 repeatedly in the idle state until the eMMC is ready even if
mmc_send_op_cond() send CMD1 with argument = 0. Otherwise some eMMC
devices seems to enter the inactive mode after mmc_complete_op_cond()
issued CMD0 when the eMMC device is busy.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/mmc/bcm2835_sdhost.c')
0 files changed, 0 insertions, 0 deletions