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 <[email protected]> Signed-off-by: Tushar Behera <[email protected]> --- 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(); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
