linux-kernel - Re: [PATCH] watchdog: davinci: convert to ioremap() + io[read|write]

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Message-ID: <20090205173810.GE10567@scadufax.research.nokia.com>
Date:	Thu, 5 Feb 2009 19:38:10 +0200
From:	Felipe Balbi <felipe.balbi@...ia.com>
To:	ext Kevin Hilman <khilman@...prootsystems.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"wim@...ana.be" <wim@...ana.be>
Subject: Re: [PATCH] watchdog: davinci: convert to ioremap() +
	io[read|write]

On Thu, Feb 05, 2009 at 06:26:22PM +0100, Kevin Hilman wrote:
> +       wdt_base = ioremap(res->start, res->end);

second argument should be size right ??

ioremap(res->start, res->end - res->start + 1);

in fact you have a size variable in this driver used for
request_mem_region() just be sure the value is still valid and use it
;-)

> +       if (!wdt_base) {
> +               printk(KERN_ERR MODULE_NAME "failed to map memory region\n");

you have a dev pointer in platform_device would be cool
to use dev_err() here

-- 
balbi
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