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linux/drivers/mmc
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Matthew Schwartz c1c758ecd6 mmc: rtsx_pci_sdmmc: implement sdmmc_card_busy function 
commit 1226102201 upstream.

rtsx_pci_sdmmc does not have an sdmmc_card_busy function, so any voltage
switches cause a kernel warning, "mmc0: cannot verify signal voltage
switch."

Copy the sdmmc_card_busy function from rtsx_pci_usb to rtsx_pci_sdmmc to
fix this.

Fixes: ff984e57d3 ("mmc: Add realtek pcie sdmmc host driver")
Signed-off-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Tested-by: Ricky WU <ricky_wu@realtek.com>
Reviewed-by: Ricky WU <ricky_wu@realtek.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-02-06 16:41:56 +01:00
..
core mmc: core: use sysfs_emit() instead of sprintf() 2026-01-19 13:10:11 +01:00
host mmc: rtsx_pci_sdmmc: implement sdmmc_card_busy function 2026-02-06 16:41:56 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00