diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index c9685c6e4395..9cb7554a463d 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -22,6 +22,7 @@ #include <linux/sys_soc.h> #include <linux/clk.h> #include <linux/ktime.h> +#include <linux/dma-mapping.h> #include <linux/mmc/host.h> #include "sdhci-pltfm.h" #include "sdhci-esdhc.h" @@ -472,6 +473,11 @@ static void esdhc_of_adma_workaround(struct sdhci_host *host, u32 intmask) static int esdhc_of_enable_dma(struct sdhci_host *host) { u32 value; + struct device *dev = mmc_dev(host->mmc); + + if (of_device_is_compatible(dev->of_node, "fsl,ls1043a-esdhc") || + of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc")) + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); value = sdhci_readl(host, ESDHC_DMA_SYSCTL); value |= ESDHC_DMA_SNOOP; |