mmc: sdhci-pci-o2micro: Fix a warm reboot issue that disk can't be detected by BIOS

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commit 58aeb5623c upstream.

Driver shall switch clock source from DLL clock to
OPE clock when power off card to ensure that card
can be identified with OPE clock by BIOS.

Signed-off-by: Fred Ai <fred.ai@bayhubtech.com>
Fixes:4be33cf18703 ("mmc: sdhci-pci-o2micro: Improve card input timing at SDR104/HS200 mode")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240203102908.4683-1-fredaibayhubtech@126.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Fred Ai 2024-02-03 02:29:08 -08:00 • committed by Greg Kroah-Hartman

parent 09fad23a1a

commit 00f9fcc0a1

1 changed files with 30 additions and 0 deletions

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drivers/mmc/host/sdhci-pci-o2micro.c

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