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| author | Subash Patel <subash.rp@samsung.com> | 2012-12-05 10:34:19 +0530 |
|---|---|---|
| committer | Tushar Behera <tushar.behera@linaro.org> | 2013-01-22 11:41:38 +0530 |
| commit | 9f52de08c36ae7216416198e6f71a2be77268b52 (patch) | |
| tree | c0aaa378edd430b6d978ef682f9d9435d5457eba | |
| parent | 54eb64ff5d211e3d43c634cbac4cc62ec66004c0 (diff) | |
| download | linux-topics-9f52de08c36ae7216416198e6f71a2be77268b52.tar.gz | |
ARM: exynos: add coherent_dma_mask
This patch adds the coherent_dma_mask for the dw_mmc device.
This is needed as check is now done in dma-mapping framework before
allocating the buffers.
Note: Find a better place to add this
Signed-off-by: Subash Patel <subash.rp@samsung.com>
| -rw-r--r-- | drivers/mmc/host/dw_mmc-exynos.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 4d50da61816..8f46292fe49 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -16,6 +16,7 @@ #include <linux/mmc/dw_mmc.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/dma-mapping.h> #include "dw_mmc.h" #include "dw_mmc-pltfm.h" @@ -232,6 +233,8 @@ int dw_mci_exynos_probe(struct platform_device *pdev) match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node); drv_data = match->data; + /* set the dma coherent mask */ + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); return dw_mci_pltfm_register(pdev, drv_data); } |