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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-12-16 22:16:07 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-16 03:31:40 +0400 |
| commit | 1cd20d2d05cb47557ce001f2f3f3ae2d06fdd1ab (patch) | |
| tree | 44484e5caebaced582a0a27e418cc795d1d833f2 /arch/arm/mach-shmobile | |
| parent | ecfe0d23f7b70fd4b00ce646d1da7c1185c545ba (diff) | |
| download | linux-1cd20d2d05cb47557ce001f2f3f3ae2d06fdd1ab.tar.xz | |
ARM: shmobile: armadillo: Fix coherent DMA mask
commit dcd740b645003b866d7eb30d13d34d0729cce9db upstream.
Commit 4dcfa60071b3d23f0181f27d8519f12e37cefbb9 ("ARM: DMA-API: better
handing of DMA masks for coherent allocations") added an additional
check to the coherent DMA mask that results in an error when the mask is
larger than what dma_addr_t can address.
Set the LCDC coherent DMA mask to DMA_BIT_MASK(32) instead of ~0 to fix
the problem.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/board-armadillo800eva.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 7f8f6076d360..07b91832bd2c 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -482,7 +482,7 @@ static struct platform_device lcdc0_device = { .id = 0, .dev = { .platform_data = &lcdc0_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; @@ -579,7 +579,7 @@ static struct platform_device hdmi_lcdc_device = { .id = 1, .dev = { .platform_data = &hdmi_lcdc_info, - .coherent_dma_mask = ~0, + .coherent_dma_mask = DMA_BIT_MASK(32), }, }; |