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| author |   Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2019-04-09 20:05:06 +0900 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2019-04-29 12:37:11 +0200 |
| commit | 4c94cb651f478e0b53f10b77033b91a5c7702740 (patch) | |
| tree | 30fd6c0cfb7f7a8fc60f0c53691b75f5005ae862 /tools/perf/scripts/python/stackcollapse.py | |
| parent | mmc: tegra: add sdhci tegra suspend and resume (diff) | |
| download | wireguard-linux-4c94cb651f478e0b53f10b77033b91a5c7702740.tar.xz wireguard-linux-4c94cb651f478e0b53f10b77033b91a5c7702740.zip | |
mmc: core: retry CMD1 in mmc_send_op_cond() even if the ocr = 0
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
the mmc_attach_mmc() calls this function with ocr = 0. Otherwise
some eMMC devices seems to enter the inactive mode after
mmc_init_card() issued CMD0 when the eMMC device is busy.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions