linux-kernel - Re: [PATCH] staging/olpc_dcon: fix checkpatch warnings

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Date:	Thu, 26 Jul 2012 18:40:48 -0700
From:	Joe Perches <joe@...ches.com>
To:	Toshiaki Yamane <yamanetoshi@...il.com>
Cc:	Greg Kroah-Hartman <greg@...ah.com>,
	Andres Salomon <dilinger@...ued.net>,
	Chris Ball <cjb@...top.org>,
	Jon Nettleton <jon.nettleton@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging/olpc_dcon: fix checkpatch warnings

On Fri, 2012-07-27 at 08:49 +0900, Toshiaki Yamane wrote:
> Now checkpatch clean.
[]
> diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
[]
> @@ -11,6 +11,7 @@
[]
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
[]
> @@ -71,18 +72,18 @@ static int dcon_hw_init(struct dcon_priv *dcon, int is_init)
>  
>  	ver = dcon_read(dcon, DCON_REG_ID);
>  	if ((ver >> 8) != 0xDC) {
> -		printk(KERN_ERR "olpc-dcon:  DCON ID not 0xDCxx: 0x%04x instead.\n",
> -			ver);
> +		pr_err("olpc-dcon:  DCON ID not 0xDCxx: 0x%04x instead.\n",
> +		       ver);
>  		rc = -ENXIO;
>  		goto err;
>  	}
>  
>  	if (is_init) {
> -		printk(KERN_INFO "olpc-dcon:  Discovered DCON version %x\n",
> -				ver & 0xFF);
> +		pr_info("olpc-dcon:  Discovered DCON version %x\n",
> +			ver & 0xFF);

Hello.

Please remove all the embedded "olpc-dcon: " prefixes.
There is a pr_fmt define that adds "olpc_dcon" already.

You can use the strings program on the output .o files to
verify the formats that are produced.


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