diff mbox

[1/4] mmc: sdhci-pci: Add SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC to BYT

Message ID 1417441879-28058-2-git-send-email-adrian.hunter@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Adrian Hunter Dec. 1, 2014, 1:51 p.m. UTC 
SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC actually causes
standard-compliant behaviour by causing the flagging
of the last DMA transfer descriptor as the end
instead of there being an additional nop descriptor
which is flagged as the end.  Consequently, it is
better to have the quirk.  Add it for BYT.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 drivers/mmc/host/sdhci-pci.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index c1ecd20..632e9d9 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -294,11 +294,13 @@  static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
 static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
 	.allow_runtime_pm = true,
 	.probe_slot	= byt_emmc_probe_slot,
+	.quirks		= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
 	.quirks2	= SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
 			  SDHCI_QUIRK2_STOP_WITH_TC,
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
+	.quirks		= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
 	.quirks2	= SDHCI_QUIRK2_HOST_OFF_CARD_ON |
 			SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 	.allow_runtime_pm = true,
@@ -306,6 +308,7 @@  static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
+	.quirks		= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
 	.quirks2	= SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
 			  SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
 			  SDHCI_QUIRK2_STOP_WITH_TC,