2015-05-04 3:15 GMT+09:00 Vasily Khoruzhick <anarsoul@xxxxxxxxx>:
> Otherwise dma_alloc_coherent() fails.
Could you say few more words about the failure?
Also the patch looks like a candidate for CC-stable along with Fixes tag.
>
> Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
> ---
> arch/arm/mach-s3c24xx/common.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
> index bf50328..7ed0853 100644
> --- a/arch/arm/mach-s3c24xx/common.c
> +++ b/arch/arm/mach-s3c24xx/common.c
> @@ -355,6 +355,7 @@ struct platform_device s3c2410_device_dma = {
> .resource = s3c2410_dma_resource,
> .dev = {
> .platform_data = &s3c2410_dma_platdata,
> + .coherent_dma_mask = ~0,
DMA_BIT_MASK(32)?
> },
> };
> #endif
> @@ -452,6 +453,7 @@ struct platform_device s3c2440_device_dma = {
> .resource = s3c2410_dma_resource,
> .dev = {
> .platform_data = &s3c2440_dma_platdata,
> + .coherent_dma_mask = ~0,
Ditto.
Best regards,
Krzysztof
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