RE: [PATCH V1] mmc: core: fix still flush cache when eMMC cache off
From: Bean Huo (beanhuo)
Date: Wed Mar 22 2017 - 13:31:34 EST
Ping Linux-mmc maintainer...
Tested-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Reviewed-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
>On Sunday, March 19, 2017 12:45:40 AM Bean Huo wrote:
>> This patch fixes the issue that mmc_blk_issue_rq still flushes cache
>> when eMMC cache has already been off through user space tool, such as
>> mmc-utils.
>> The reason is that card->ext_csd.cache_ctrl isn't reset.
>>
>> Signed-off-by: beanhuo <beanhuo@xxxxxxxxxx>
>
>
>Best regards,
>--
>Bartlomiej Zolnierkiewicz
>Samsung R&D Institute Poland
>Samsung Electronics
>
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//beanhuo