mmc: rtsx_pci_sdmmc: increase power-on settling delay to 5ms

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[ Upstream commit aced969e9b ]

The existing 1ms delay in sd_power_on is insufficient and causes resume
errors around 4% of the time.

Increasing the delay to 5ms resolves this issue after testing 300
s2idle cycles.

Fixes: 1f311c94aa ("mmc: rtsx: add 74 Clocks in power on flow")
Signed-off-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Link: https://patch.msgid.link/20260105060236.400366-3-matthew.schwartz@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Matthew Schwartz 2026-01-04 22:02:36 -08:00 • committed by Sasha Levin

parent ef471e75c0

commit 75e166be21

1 changed files with 1 additions and 1 deletions

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drivers/mmc/host/rtsx_pci_sdmmc.c

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