linux-kernel - Re: [PATCH 3/3] xgifb: checkpatch cleanup, printk() KERN

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Date:	Sat, 21 Jan 2012 09:18:43 -0800
From:	sam hansen <solid.se7en@...il.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Arnaud Patard <arnaud.patard@...-net.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] xgifb: checkpatch cleanup, printk() KERN_*

> These last two should be KERN_CONT
> though the block could be rewritten as
>
>        if (XGIInitNew(pdev))
>                printk(KERN_INFO "XGIfb: XGIInitNew() ... OK\n");
>        else
>                printk(KERN_ERR "XGIfb: XGIInitNew() ... Fail\n");
>
> Emitting any dmesg output like "XGIInitNew() ... OK\n"
> is almost always low value.
>
> Perhaps just emitting on the error case is better:
>        if (!XGIInitNew(pdev))
>                printk(KERN_ERR "XGIfb: XBIInitNew() failed\n");

Cool.  See Re: Dan.  I will fold the printk logic up.

> One other thing.  It would be better to add
> #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> before any #include and convert all the
> printks(KERN_<LEVEL> to pr_<level>(
> stripping all the leading XGIfb: too.

I might take a stab at eliminating explicit calls to printk and use a macro.
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