sdhci: Add support for hosts that are only capable of 1-bit transfers

[pandora-kernel.git] / drivers / mmc / host / sdhci-of.c

diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index 128c614..d79fa55 100644 (file)
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -250,6 +250,9 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
                host->ops = &sdhci_of_data->ops;
        }
 
+       if (of_get_property(np, "sdhci,1-bit-only", NULL))
+               host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
+
        clk = of_get_property(np, "clock-frequency", &size);
        if (clk && size == sizeof(*clk) && *clk)
                of_host->clock = *clk;