From: ben-linux@fluff.org (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: mxc: i2c register mapped twice?
Date: Fri, 07 Jan 2011 01:31:32 +0000 [thread overview]
Message-ID: <4D266CF4.9030009@fluff.org> (raw)
In-Reply-To: <20110106122611.GA31718@shlinux1.ap.freescale.net>
On 06/01/11 12:26, Richard Zhao wrote:
> Hi Sascha,
>
> I just realized i2c registers are mapped twice. It's first static mapped at
> mx5x_io_desc and second mapped in driver.
> Drivers always feel happy to receive physical address in resource, and ioremap
> it itself. We might static map too many register regions in machine level?
> I'm sure it's not just i2c.
either cleanup the mapping, or add a custom ioremap() to return this
region for the drivers.
prev parent reply other threads:[~2011-01-07 1:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 12:26 mxc: i2c register mapped twice? Richard Zhao
2011-01-06 13:40 ` Sascha Hauer
2011-01-07 1:31 ` Ben Dooks [this message]
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