linux-kernel - Re: [PATCH] dma/Kconfig: Make TI_EDMA select TI_PRIV

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Date:	Wed, 4 Sep 2013 12:10:45 -0400
From:	Josh Boyer <jwboyer@...hat.com>
To:	Matt Porter <matt.porter@...aro.org>
Cc:	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma/Kconfig: Make TI_EDMA select TI_PRIV_EDMA

On Wed, Sep 04, 2013 at 09:32:03AM -0400, Josh Boyer wrote:
> The TI_EDMA driver unconditionally calls functions provided by the
> TI_PRIV_EDMA code, but it doesn't force that to be built-in.  If that isn't
> otherwise enabled somewhere, you can get build errors like:
> 
> linux-3.12.0-0.rc0.git1.1.fc21.armv7hl/drivers/dma/edma.c:593: undefined reference to `edma_free_slot'
> drivers/built-in.o: In function `edma_terminate_all':
> linux-3.12.0-0.rc0.git1.1.fc21.armv7hl/drivers/dma/edma.c:169: undefined reference to `edma_stop'
> drivers/built-in.o: In function `edma_execute':
> linux-3.12.0-0.rc0.git1.1.fc21.armv7hl/drivers/dma/edma.c:122: undefined reference to `edma_write_slot'
> linux-3.12.0-0.rc0.git1.1.fc21.armv7hl/drivers/dma/edma.c:149: undefined reference to `edma_link'
> linux-3.12.0-0.rc0.git1.1.fc21.armv7hl/drivers/dma/edma.c:152: undefined reference to `edma_start'
> 
> Make TI_EDMA select TI_PRIV_EDMA to avoid this.
> 
> Signed-off-by: Josh Boyer <jwboyer@...oraproject.org>

Just replying to Matt's new email address as the TI one bounced when I
originally sent this.

> ---
>  drivers/dma/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index daa4da2..825374b 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -198,6 +198,7 @@ config TI_EDMA
>  	depends on ARCH_DAVINCI || ARCH_OMAP
>  	select DMA_ENGINE
>  	select DMA_VIRTUAL_CHANNELS
> +	select TI_PRIV_EDMA
>  	default n
>  	help
>  	  Enable support for the TI EDMA controller. This DMA
> -- 
> 1.8.3.1
> 
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