linux-kernel - Re: [PATCH 1/3] crypto: caam: fix some compile warnings

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Date:	Tue, 3 Mar 2015 12:59:53 -0600
From:	Kim Phillips <kim.phillips@...escale.com>
To:	<yanjiang.jin@...driver.com>
CC:	<horia.geanta@...escale.com>, <herbert@...dor.apana.org.au>,
	<davem@...emloft.net>, <ruchika.gupta@...escale.com>,
	<cristian.stoica@...escale.com>, <NiteshNarayanLal@...escale.com>,
	<linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<jinyanjiang@...il.com>
Subject: Re: [PATCH 1/3] crypto: caam: fix some compile warnings

On Tue, 3 Mar 2015 14:50:51 +0800
<yanjiang.jin@...driver.com> wrote:

> This commit is to avoid the below warnings:
> 
> drivers/crypto/caam/sg_sw_sec4.h:88:12: warning:
> 'dma_map_sg_chained' defined but not used [-Wunused-function]
>  static int dma_map_sg_chained(struct device *dev, struct scatterlist *sg,
>             ^
> drivers/crypto/caam/sg_sw_sec4.h:104:12: warning:
> 'dma_unmap_sg_chained' defined but not used [-Wunused-function]
>  static int dma_unmap_sg_chained(struct device *dev,
>             ^

I'm not seeing these warnings - both caamalg.c and caamhash.c use
those functions fine.

> -static int dma_map_sg_chained(struct device *dev, struct scatterlist *sg,
> +static inline int dma_map_sg_chained(struct device *dev, struct scatterlist *sg,
>  			      unsigned int nents, enum dma_data_direction dir,
>  			      bool chained)

not to mention this isn't how to fix a defined but not used warning:
marking the functions inline results in different compiler output.

NACK from me.

Kim
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