diff options
| author | Ben Chuang <ben.chuang@genesyslogic.com.tw> | 2024-10-25 14:00:17 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2024-10-28 12:30:27 +0100 |
| commit | c4dedaaeb3f78d3718e9c1b1e4d972a6b99073cd (patch) | |
| tree | 4ff2166aa11bae1f7e3cd540175b9b065350b322 /drivers | |
| parent | 8c68b5656e55e9324875881f1000eb4ee3603a87 (diff) | |
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: 0e92aec2efa0 ("mmc: sdhci-pci-gli: Add support SD Express card for GL9767")
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Cc: stable@vger.kernel.org
Message-ID: <20241025060017.1663697-2-benchuanggli@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-gli.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index 22a927ce2c88..68ce4920e01e 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -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; |