linux-kernel - Re: [PATCH] Drivers: Base: Regmap: fix warnings, use %lu instead of %d for printf format

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Message-ID: <8761zybtdg.fsf@nemi.mork.no>
Date:	Sun, 07 Apr 2013 11:08:27 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Drivers: Base: Regmap: fix warnings, use %lu instead of %d for printf format

Chen Gang <gang.chen@...anux.com> writes:

>   fix warnings (with EXTRA_CFLAGS=-W):
>     format ‘%d’ expects argument of type ‘int’,
>     but argument 4 has type ‘size_t’ [-Wformat]
>
> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> ---
>  drivers/base/regmap/regcache.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
> index d81f605..275a2d2 100644
> --- a/drivers/base/regmap/regcache.c
> +++ b/drivers/base/regmap/regcache.c
> @@ -590,7 +590,7 @@ static int regcache_sync_block_raw_flush(struct regmap *map, const void **data,
>  
>  	count = cur - base;
>  
> -	dev_dbg(map->dev, "Writing %d bytes for %d registers from 0x%x-0x%x\n",
> +	dev_dbg(map->dev, "Writing %lu bytes for %d registers from 0x%x-0x%x\n",
>  		count * val_bytes, count, base, cur - 1);
>  
>  	map->cache_bypass = 1;


Please read Documentation/printk-formats.txt. Thanks.


Bjørn
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