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

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Message-ID: <87tz784uqs.fsf@deeprootsystems.com>
Date:	Thu, 05 Feb 2009 10:13:47 -0800
From:	Kevin Hilman <khilman@...prootsystems.com>
To:	felipe.balbi@...ia.com
Cc:	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"wim\@iguana.be" <wim@...ana.be>
Subject: Re: [PATCH] watchdog: davinci: convert to ioremap() + io[read|write]

Felipe Balbi <felipe.balbi@...ia.com> writes:

> 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
> ;-)

doh.

>> +       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

sounds good, I'll convert the rest of the printk(KERN_* into dev_* as well.

Kevin
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