diff options
| author | Adam Lee <adam.lee@canonical.com> | 2015-08-03 14:33:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-29 19:26:12 +0200 |
| commit | 2b1e7d58a82a911fae3dcb762590a68e78806434 (patch) | |
| tree | c0acabd087d12ed80f9f603a7e1deb258ddd4a0c /drivers/mmc | |
| parent | 2be9c8262419a2db45e7461b1eb26ead770a4438 (diff) | |
mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro
commit 143b648ddf1583905fa15d32be27a31442fc7933 upstream.
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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 7a3fc16d0a6c..53cfc7cedefe 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -549,6 +549,7 @@ static int jmicron_resume(struct sdhci_pci_chip *chip) static 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, .resume = sdhci_pci_o2_resume, }; |