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SubjectRE: [PATCH v4 0/2] Do not flush cache when it is disabled
Date
Ulf - Would you consider picking this sires up now?
I was hoping to close this bug.

Thanks,
Avri

> -----Original Message-----
> From: Avri Altman <avri.altman@wdc.com>
> Sent: Tuesday, 20 April 2021 16:47
> To: Ulf Hansson <ulf.hansson@linaro.org>; linux-mmc@vger.kernel.org; Adrian
> Hunter <adrian.hunter@intel.com>
> Cc: linux-kernel@vger.kernel.org; Avri Altman <Avri.Altman@wdc.com>
> Subject: [PATCH v4 0/2] Do not flush cache when it is disabled
>
> v3 -> v4
> - Attend Adrian's comments
> - Add Acked-by tag
>
> v2 -> v3:
> - rebase onto recent cache changes
>
> v1 -> v2:
> - Attend Adrian's comments
>
> Cache is a temporary storage space in an eMMC device. Volatile by
> nature, the cache should in typical case reduce the access time compared
> to an access to the main nonvolatile storage.
>
> The cache function can be turned ON and OFF. Once OFF, the host is not
> expected to issue a flush-cache command to the device.
>
> Avri Altman (2):
> mmc: block: Issue flush only if allowed
> mmc: block: Update ext_csd.cache_ctrl if it was written
>
> drivers/mmc/core/block.c | 21 +++++++++++++++++++++
> drivers/mmc/core/mmc.c | 2 +-
> drivers/mmc/core/mmc_ops.h | 5 +++++
> 3 files changed, 27 insertions(+), 1 deletion(-)
>
> --
> 2.25.1

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