linux-kernel - Re: [PATCH 1/2] drivers: dma: Mark functions as static in dma

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Date:	Mon, 16 Dec 2013 02:21:06 -0800
From:	Josh Triplett <josh@...htriplett.org>
To:	Rashika Kheria <rashika.kheria@...il.com>
Cc:	linux-kernel@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	dmaengine@...r.kernel.org
Subject: Re: [PATCH 1/2] drivers: dma: Mark functions as static in dma_v3.c

On Mon, Dec 16, 2013 at 03:40:40PM +0530, Rashika Kheria wrote:
> Mark the functions ioat3_prep_xor_val(), ioat3_prep_pq_val() and
> ioat3_prep_pqxor_val() as static in dma_v3.c because they are not used
> outside this file.
> 
> This eliminates the following warnings in dma_v3.c:
> drivers/dma/ioat/dma_v3.c:741:1: warning: no previous prototype for ‘ioat3_prep_xor_val’ [-Wmissing-prototypes]
> drivers/dma/ioat/dma_v3.c:1092:1: warning: no previous prototype for ‘ioat3_prep_pq_val’ [-Wmissing-prototypes]
> drivers/dma/ioat/dma_v3.c:1134:1: warning: no previous prototype for ‘ioat3_prep_pqxor_val’ [-Wmissing-prototypes]
> 
> Signed-off-by: Rashika Kheria <rashika.kheria@...il.com>

Reviewed-by: Josh Triplett <josh@...htriplett.org>

>  drivers/dma/ioat/dma_v3.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
> index 820817e9..07038ca 100644
> --- a/drivers/dma/ioat/dma_v3.c
> +++ b/drivers/dma/ioat/dma_v3.c
> @@ -737,7 +737,7 @@ ioat3_prep_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src,
>  	return __ioat3_prep_xor_lock(chan, NULL, dest, src, src_cnt, len, flags);
>  }
>  
> -struct dma_async_tx_descriptor *
> +static struct dma_async_tx_descriptor *
>  ioat3_prep_xor_val(struct dma_chan *chan, dma_addr_t *src,
>  		    unsigned int src_cnt, size_t len,
>  		    enum sum_check_flags *result, unsigned long flags)
> @@ -1088,7 +1088,7 @@ ioat3_prep_pq(struct dma_chan *chan, dma_addr_t *dst, dma_addr_t *src,
>  	}
>  }
>  
> -struct dma_async_tx_descriptor *
> +static struct dma_async_tx_descriptor *
>  ioat3_prep_pq_val(struct dma_chan *chan, dma_addr_t *pq, dma_addr_t *src,
>  		  unsigned int src_cnt, const unsigned char *scf, size_t len,
>  		  enum sum_check_flags *pqres, unsigned long flags)
> @@ -1130,7 +1130,7 @@ ioat3_prep_pqxor(struct dma_chan *chan, dma_addr_t dst, dma_addr_t *src,
>  				     flags);
>  }
>  
> -struct dma_async_tx_descriptor *
> +static struct dma_async_tx_descriptor *
>  ioat3_prep_pqxor_val(struct dma_chan *chan, dma_addr_t *src,
>  		     unsigned int src_cnt, size_t len,
>  		     enum sum_check_flags *result, unsigned long flags)
> -- 
> 1.7.9.5
> 
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