Skip to content
Commit 80e99f42 authored by Veerabhadrarao Badiganti's avatar Veerabhadrarao Badiganti Committed by Greg Kroah-Hartman
Browse files

mmc: sdhci-msm: Enable host capabilities pertains to R1b response

commit 9d8cb586

 upstream.

MSM sd host controller is capable of HW busy detection of device busy
signaling over DAT0 line. And it requires the R1B response for commands
that have this response associated with them.

So set the below two host capabilities for qcom SDHC.
 - MMC_CAP_WAIT_WHILE_BUSY
 - MMC_CAP_NEED_RSP_BUSY

Recent development of the mmc core in regards to this, revealed this as
being a potential bug, hence the stable tag.

Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: default avatarVeerabhadrarao Badiganti <vbadigan@codeaurora.org>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1587363626-20413-2-git-send-email-vbadigan@codeaurora.org
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d8f7e15a
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment