2015-09-23 16:41 GMT+09:00 Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>:
>
> The sysmmu_fimd1_1 should bind the clock CLK_SMMU_FIMD1M1, not the clock
> CLK_SMMU_FIMD1M0. CLK_SMMU_FIMD1M0 is a clock for the sysmmu_fimd1_0.
>
> This wrong clock binding causes the problem that is blocked in iommu_map
> function when IOMMU is enabled and exynos-drm driver tries to allocate
> buffer via DMA mapping API on Odroid-XU3 board.
>
> Fixes: b70045167815 ("ARM: dts: add sysmmu nodes for exynos5420")
> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.2
> Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> ---
> Changes for v2:
> - Update the commit message
> - Add Fixes: and Reviewed-by: tags
>
> arch/arm/boot/dts/exynos5420.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Best regards,
Krzysztof
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