diff options
| author | Vishal Bhoj <vishal.bhoj@linaro.org> | 2014-05-22 13:53:12 +0530 |
|---|---|---|
| committer | Vishal Bhoj <vishal.bhoj@linaro.org> | 2014-05-22 15:54:53 +0530 |
| commit | 3fa3bdcfdcb724087762c9dcf6b48e2525bbd6ff (patch) | |
| tree | 3594b467eb8528ccebe24c31d029a9cadf2ccf37 | |
| parent | 7c1e7c4c398c3d18eaaaf99a4db0892ea3d1ba71 (diff) | |
Avoid calling MMC_SEND_OP_COND in READY state
There is a probable bug(I am not an mmc expert) in u-boot code calling
MMC_SEND_OP_COND in READY state which is forbidden on the models. Forcing
the MMC controller to idle state before invoking the MMC_SEND_OP_COND
command seems to fix the issue.
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
| -rw-r--r-- | drivers/mmc/mmc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 16051e52f..0d7d7522e 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1294,8 +1294,11 @@ static int mmc_complete_init(struct mmc *mmc) { int err = 0; - if (mmc->op_cond_pending) + if (mmc->op_cond_pending) { + /* Some cards seem to need this */ + mmc_go_idle(mmc); err = mmc_complete_op_cond(mmc); + } if (!err) err = mmc_startup(mmc); |