Re: [PATCH] drivers: staging: android: ion: Kconfig: Let it also depend on HAS_DMA

From: Colin Cross
Date: Wed Jul 09 2014 - 14:23:40 EST


On Mon, Jul 7, 2014 at 1:49 AM, Chen Gang <gang.chen.5i5j@xxxxxxxxx> wrote:
> ION need HAS_DMA (e.g. need DMA_SHARED_BUFFER), so it has to depend on
> HAS_DMA, or can not pass compiling with allmodconfig under score which
> NO_DMA. And the related error:
>
> CC drivers/staging/android/ion/ion_cma_heap.o
> drivers/staging/android/ion/ion_cma_heap.c: In function 'ion_cma_mmap':
> drivers/staging/android/ion/ion_cma_heap.c:168:2: error: implicit declaration of function 'dma_mmap_coherent' [-Werror=implicit-function-declaration]
> return dma_mmap_coherent(dev, vma, info->cpu_addr, info->handle,
> ^
> cc1: some warnings being treated as errors
> make[4]: *** [drivers/staging/android/ion/ion_cma_heap.o] Error 1
> make[3]: *** [drivers/staging/android/ion] Error 2
> make[2]: *** [drivers/staging/android] Error 2
> make[1]: *** [drivers/staging] Error 2
> make: *** [drivers] Error 2
>
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
> ---
> drivers/staging/android/ion/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/android/ion/Kconfig b/drivers/staging/android/ion/Kconfig
> index 0f8fec1..0a6e4d0 100644
> --- a/drivers/staging/android/ion/Kconfig
> +++ b/drivers/staging/android/ion/Kconfig
> @@ -1,6 +1,6 @@
> menuconfig ION
> bool "Ion Memory Manager"
> - depends on HAVE_MEMBLOCK
> + depends on HAVE_MEMBLOCK && HAS_DMA
> select GENERIC_ALLOCATOR
> select DMA_SHARED_BUFFER
> ---help---
> --
> 1.9.2.459.g68773ac

Acked-by: Colin Cross <ccross@xxxxxxxxxxx>
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