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| Started by | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| First post | 2015-09-26 23:40 +0200 |
| Last post | 2015-09-26 23:40 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 4.1 082/159] mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-26 23:40 +0200
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2015-09-26 23:40 +0200 |
| Subject | [PATCH 4.1 082/159] mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro |
| Message-ID | <qd5ml-3GR-65@gated-at.bofh.it> |
4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Adam Lee <adam.lee@canonical.com>
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>
---
drivers/mmc/host/sdhci-pci.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -549,6 +549,7 @@ static int jmicron_resume(struct sdhci_p
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,
};
--
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