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(parent: d379172) | patch
mmc: mtk-sd: fix hang when data read quickly
authormingming lee <mingming.lee@mediatek.com>
Tue, 31 Dec 2019 03:29:25 +0000 (11:29 +0800)
committerTom Rini <trini@konsulko.com>
Thu, 16 Jan 2020 14:39:45 +0000 (09:39 -0500)
commit48e7c0d8aaa57dcc7a44cec59c2add2168a2217c
tree11c1d25420b670de25701ec41bdecf0b49bb944atree | snapshot
parentd379172e675c0fdcedacf8a89367854cfa0c91f2commit | diff
mmc: mtk-sd: fix hang when data read quickly

For CMD21 tuning data, the 128/64 bytes data may coming in very
short time, before msdc_start_data(), the read data has already
come, in this case, clear MSDC_INT will cause the interrupt disappear
and lead to the thread hang.

the solution is just clear all interrupts before command was sent.

Signed-off-by: mingming lee <mingming.lee@mediatek.com>
drivers/mmc/mtk-sd.c diff | blob | history
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