[PATCH] ARM: EXYNOS4: Setup consistent dma size at boot time

[Tushar Behera]

Hi Kukjin,

On Monday 12 September 2011 11:25 AM, Tushar Behera wrote:
> Some of the boards under mach-exynos4 initialize frame-buffers
> for which the memory requirement is more than 2MB (Nuri board requires
> around 4MB, Origen requires around 2.6MB), hence the default dma pool
> allocation size of 2MB is not sufficient. The consistent dma size is
> hence increased to successfully allocate memory for those boards.
>
> Depends on "ARM: Add init_consistent_dma_size()"
> by Jon Medhurst (99d1717dd7fecf2b10195b0d864323b952b4eba0).
>
> CC: Jon Medhurst<tixy at yxit.co.uk>
> Signed-off-by: Tushar Behera<tushar.behera at linaro.org>
> ---
>   arch/arm/mach-exynos4/cpu.c |    2 ++
>   1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
> index 2d8a40c..45d8bfa 100644
> --- a/arch/arm/mach-exynos4/cpu.c
> +++ b/arch/arm/mach-exynos4/cpu.c
> @@ -10,6 +10,7 @@
>
>   #include<linux/sched.h>
>   #include<linux/sysdev.h>
> +#include<linux/dma-mapping.h>
>
>   #include<asm/mach/map.h>
>   #include<asm/mach/irq.h>
> @@ -136,6 +137,7 @@ static void exynos4_idle(void)
>   void __init exynos4_map_io(void)
>   {
>   	iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
> +	init_consistent_dma_size(SZ_8M);
>
>   	/* initialize device information early */
>   	exynos4_default_sdhci0();

Would you please consider this patch for 3.2?

-- 
Tushar Behera