diff options
| author | Chaotian Jing <chaotian.jing@mediatek.com> | 2019-09-05 15:53:18 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-11-13 16:10:16 +0100 |
| commit | a0d4c7eb71dd08a89ad631177bb0cbbabd598f84 (patch) | |
| tree | 796a36d5e61b457359323cf45026bdb9db8e1814 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 3869468e0c4800af52bfe1e0b72b338dcdae2cfc (diff) | |
mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response
MMC IOCTLS with R1B responses may cause the card to enter the busy state,
which means it's not ready to receive a new request. To prevent new
requests from being sent to the card, use a CMD13 polling loop to verify
that the card returns to the transfer state, before completing the request.
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions