mmc: sdhci: Remove unneeded quirk2 flag of O2 SD host controller
authorErnest Zhang(WH) <ernest.zhang@bayhubtech.com>
Fri, 18 Jan 2019 06:04:53 +0000 (06:04 +0000)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 25 Feb 2019 07:40:58 +0000 (08:40 +0100)
O2 SD host controller only need set the quirk2 flag
SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD when
work on force 1.8v emmc mode but not normal mode

Signed-off-by: Ernest Zhang <ernest.zhang@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-pci-o2micro.c

index 7f11cee71db1af6ae6c32c1e8c668e23f0408280..05a012a694b2c6875a6189e5452b55af07fca04d 100644 (file)
@@ -428,6 +428,7 @@ int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot)
                                        mmc_hostname(host->mmc));
                                host->flags &= ~SDHCI_SIGNALING_330;
                                host->flags |= SDHCI_SIGNALING_180;
+                               host->quirks2 |= SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD;
                                host->mmc->caps2 |= MMC_CAP2_NO_SD;
                                host->mmc->caps2 |= MMC_CAP2_NO_SDIO;
                                pci_write_config_dword(chip->pdev,
@@ -677,7 +678,6 @@ static const struct sdhci_ops sdhci_pci_o2_ops = {
 const struct sdhci_pci_fixes sdhci_o2 = {
        .probe = sdhci_pci_o2_probe,
        .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
-       .quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD,
        .probe_slot = sdhci_pci_o2_probe_slot,
 #ifdef CONFIG_PM_SLEEP
        .resume = sdhci_pci_o2_resume,