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authorMicky Ching <micky_ching@realsil.com.cn>2014-02-21 18:40:35 +0800
committerChris Ball <chris@printf.net>2014-02-22 13:19:40 -0500
commit9107ebbf9652c033eb5dd10a6ea34a132db3cde1 (patch)
tree7e5769085be6b0097bb4fde9d9fdbe4dd9bbf3a1 /drivers/mmc/host/sdhci.c
parentb13d1f0f9ad64bc498ced07344495ba27321419e (diff)
mmc: sdhci: add support for realtek rts5250
Add support for realtek rts5250 pci card reader. The card reader has some problems with DDR50 mode, so add a new quirks2 for broken ddr50. Signed-off-by: Micky Ching <micky_ching@realsil.com.cn> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r--drivers/mmc/host/sdhci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 9ddef4763541..8958edc03e04 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3020,7 +3020,8 @@ int sdhci_add_host(struct sdhci_host *host)
} else if (caps[1] & SDHCI_SUPPORT_SDR50)
mmc->caps |= MMC_CAP_UHS_SDR50;
- if (caps[1] & SDHCI_SUPPORT_DDR50)
+ if ((caps[1] & SDHCI_SUPPORT_DDR50) &&
+ !(host->quirks2 & SDHCI_QUIRK2_BROKEN_DDR50))
mmc->caps |= MMC_CAP_UHS_DDR50;
/* Does the host need tuning for SDR50? */