linux-kernel - Re: [PATCH] dmaengine: mmp_tdma: select GENERIC

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Message-ID: <20161018150545.GE2467@localhost>
Date:   Tue, 18 Oct 2016 20:35:45 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Dan Williams <dan.j.williams@...el.com>, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: mmp_tdma: select GENERIC_ALLOCATOR

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@...db.de>
> ---
>  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