Re: [PATCH] dmaengine: mmp_tdma: select GENERIC_ALLOCATOR

From: Vinod Koul
Date: Tue Oct 18 2016 - 10:57:01 EST


On Mon, Oct 10, 2016 at 02:07:35PM +0200, Arnd Bergmann wrote:
> build testing on x86 revealed a missing dependency that leads to a link error:
>
> drivers/dma/built-in.o: In function `mmp_tdma_prep_dma_cyclic':
> mmp_tdma.c:(.text+0x9564): undefined reference to `gen_pool_dma_alloc'
> drivers/dma/built-in.o: In function `mmp_tdma_free_chan_resources':
> mmp_tdma.c:(.text+0x9675): undefined reference to `gen_pool_free'
> drivers/dma/built-in.o: In function `mmp_tdma_probe':
> mmp_tdma.c:(.text+0x9854): undefined reference to `of_gen_pool_get'
>
> This adds a 'select' statement to the driver to get it to build cleanly.

Hi Arnd,

I have already applied same change from Jérémy.

>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/dma/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index af63a6bcf564..d882eb0fa551 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -305,6 +305,7 @@ config MMP_TDMA
> bool "MMP Two-Channel DMA support"
> depends on ARCH_MMP || COMPILE_TEST
> select DMA_ENGINE
> + select GENERIC_ALLOCATOR
> select MMP_SRAM if ARCH_MMP
> help
> Support the MMP Two-Channel DMA engine.
> --
> 2.9.0
>

--
~Vinod