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 19:33:33 +0200 |
| commit | e6c69099f63c84e1825c0f742a76ff4a8afeaa9b (patch) | |
| tree | f205e87c86859469c6bc4193704221206df7c5b1 | |
| parent | 89234d155665290f6e84bba9be37c8536a594d32 (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>
| -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 94f54d2772e8..b3b0a3e4fca1 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -618,6 +618,7 @@ 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, }; |