Commit c4dedaae authored by Ben Chuang's avatar Ben Chuang Committed by Ulf Hansson
Browse files

mmc: sdhci-pci-gli: GL9767: Fix low power mode in the SD Express process 



When starting the SD Express process, the low power negotiation mode will
be disabled, so we need to re-enable it after switching back to SD mode.

Fixes: 0e92aec2 ("mmc: sdhci-pci-gli: Add support SD Express card for GL9767")
Signed-off-by: default avatarBen Chuang <ben.chuang@genesyslogic.com.tw>
Cc: stable@vger.kernel.org
Message-ID: <20241025060017.1663697-2-benchuanggli@gmail.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 8c68b565

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

+3 −0
Original line number Diff line number Diff line
@@ -1068,6 +1068,9 @@ static int gl9767_init_sd_express(struct mmc_host *mmc, struct mmc_ios *ios) 
		sdhci_writew(host, value, SDHCI_CLOCK_CONTROL);

	}



	pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value);

	value &= ~PCIE_GLI_9767_CFG_LOW_PWR_OFF;

	pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value);

	gl9767_vhs_read(pdev);



	return 0;