mirror of https://gitee.com/openkylin/linux.git
ARM: dts: Fix wrong clock binding for sysmmu_fimd1_1 on exynos5420
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: b700451678
("ARM: dts: add sysmmu nodes for exynos5420")
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: <stable@vger.kernel.org> # v4.2
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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@ -1117,7 +1117,7 @@ sysmmu_fimd1_1: sysmmu@0x14680000 {
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interrupt-parent = <&combiner>;
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interrupts = <3 0>;
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clock-names = "sysmmu", "master";
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clocks = <&clock CLK_SMMU_FIMD1M0>, <&clock CLK_FIMD1>;
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clocks = <&clock CLK_SMMU_FIMD1M1>, <&clock CLK_FIMD1>;
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power-domains = <&disp_pd>;
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#iommu-cells = <0>;
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};
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