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-rw-r--r--drivers/mmc/host/sdhci-pci-o2micro.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index 0d4d343dbb77..ad457cd9cbaa 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -317,11 +317,12 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode)
u32 reg_val;
/*
- * This handler only implements the eMMC tuning that is specific to
+ * This handler implements the hardware tuning that is specific to
* this controller. Fall back to the standard method for other TIMING.
*/
if ((host->timing != MMC_TIMING_MMC_HS200) &&
- (host->timing != MMC_TIMING_UHS_SDR104))
+ (host->timing != MMC_TIMING_UHS_SDR104) &&
+ (host->timing != MMC_TIMING_UHS_SDR50))
return sdhci_execute_tuning(mmc, opcode);
if (WARN_ON((opcode != MMC_SEND_TUNING_BLOCK_HS200) &&
@@ -631,6 +632,8 @@ static int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot)
if (reg & 0x1)
host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
+ host->quirks2 |= SDHCI_QUIRK2_BROKEN_DDR50;
+
sdhci_pci_o2_enable_msi(chip, host);
if (chip->pdev->device == PCI_DEVICE_ID_O2_SEABIRD0) {