[PATCH] ARM: relax conditions required for enabling Contiguous Memory Allocator
Prabhakar Lad
prabhakar.lad at ti.com
Mon Aug 20 07:29:57 EDT 2012
Hi Marek,
Thanks for the patch.
On Monday 20 August 2012 11:46 AM, Marek Szyprowski wrote:
> Contiguous Memory Allocator requires only paging and MMU enabled not
> particular CPU architectures, so there is no need for strict dependency
> on CPU type. This enables to use CMA on some older ARM v5 systems which
> also might need large contiguous blocks for the multimedia processing hw
> modules.
>
> Reported-by: Prabhakar Lad <prabhakar.csengg at gmail.com>
Reported-by: Prabhakar Lad <prabhakar.lad at ti.com>
Tested-by: Prabhakar Lad <prabhakar.lad at ti.com>
Thx,
--Prabhakar
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---
> arch/arm/Kconfig | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index e91c7cd..6ef75e2 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -6,7 +6,7 @@ config ARM
> select HAVE_DMA_API_DEBUG
> select HAVE_IDE if PCI || ISA || PCMCIA
> select HAVE_DMA_ATTRS
> - select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7)
> + select HAVE_DMA_CONTIGUOUS if MMU
> select HAVE_MEMBLOCK
> select RTC_LIB
> select SYS_SUPPORTS_APM_EMULATION
>
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