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kernel_a52xq/drivers/mmc
Repository files (latest commit first)
Filename Latest commit message Latest commit date
Veerabhadrarao Badiganti 2c1b05138f mmc: sdhci-msm: Enable host capabilities pertains to R1b response
commit 9d8cb58691f85cef687512262acb2c7109ee4868 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: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1587363626-20413-2-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-06 08:13:34 +02:00
..
core mmc: core: Respect MMC_CAP_NEED_RSP_BUSY for eMMC sleep command 2020-04-02 15:28:09 +02:00
host mmc: sdhci-msm: Enable host capabilities pertains to R1b response 2020-05-06 08:13:34 +02:00
Kconfig mmc: core: Remove option not to use blk-mq 2017-12-11 12:55:02 +01:00
Makefile mmc: Kconfig: downgrade CONFIG_MMC_DEBUG for host drivers only 2017-08-30 14:01:34 +02:00