linux-kernel - Re: [PATCH] dma/edma.c: fix sparse warnings

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Date:	Thu, 12 Feb 2015 15:03:05 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Lad Prabhakar <prabhakar.csengg@...il.com>
Cc:	Dan Williams <dan.j.williams@...el.com>, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma/edma.c: fix sparse warnings

On Wed, Feb 04, 2015 at 01:03:27PM +0000, Lad Prabhakar wrote:
> From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
> 
> this patch fixes following sparse warnings:
> 
> edma.c:537:32: warning: symbol 'edma_prep_dma_memcpy' was not declared. Should it be static?
> edma.c:1070:6: warning: symbol 'edma_filter_fn' was not declared. Should it be static?
> 
Applied, thanks.

Please ensure you use the right subsystem name and format

-- 
~Vinod

> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
> ---
>   Found this issue on linux-next (arm-cortex-a8-gcc  version 4.7.3,
>   sparse version  0.4.5-rc1)and applies on top linux-next.
> 
>  drivers/dma/edma.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
> index e95fa7d..276157f 100644
> --- a/drivers/dma/edma.c
> +++ b/drivers/dma/edma.c
> @@ -15,6 +15,7 @@
>  
>  #include <linux/dmaengine.h>
>  #include <linux/dma-mapping.h>
> +#include <linux/edma.h>
>  #include <linux/err.h>
>  #include <linux/init.h>
>  #include <linux/interrupt.h>
> @@ -534,7 +535,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
>  	return vchan_tx_prep(&echan->vchan, &edesc->vdesc, tx_flags);
>  }
>  
> -struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
> +static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
>  	struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
>  	size_t len, unsigned long tx_flags)
>  {
> -- 
> 1.9.1
> 
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