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mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro

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This patch fixes MMC not working issue on O2Micro/BayHub Host, which
requires transfer mode register to be cleared when sending no DMA
command.

Signed-off-by: Peter Guo <peter.guo@bayhubtech.com>
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adam Lee 2015-08-03 14:33:28 +08:00 committed by Ulf Hansson
parent 22d7e85ff8
commit 143b648ddf
1 changed files with 1 additions and 0 deletions
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1
drivers/mmc/host/sdhci-pci.c
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@ -618,6 +618,7 @@ static int jmicron_resume(struct sdhci_pci_chip *chip)
static const struct sdhci_pci_fixes sdhci_o2 = { static const struct sdhci_pci_fixes sdhci_o2 = {
.probe = sdhci_pci_o2_probe, .probe = sdhci_pci_o2_probe,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD,
.probe_slot = sdhci_pci_o2_probe_slot, .probe_slot = sdhci_pci_o2_probe_slot,
.resume = sdhci_pci_o2_resume, .resume = sdhci_pci_o2_resume,
}; };