linux-kernel - Re: [PATCH] staging: fbtft: force cast to non-_

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Message-ID: <CAAUC4VKSAejfm35KDmed=2fXez8h+ZB3+thQr+yvVU4mu4g+og@mail.gmail.com>
Date:	Wed, 6 May 2015 14:34:49 -0700
From:	Garret Kelly <gdk@...gle.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Noralf Trønnes <noralf@...nnes.org>,
	"open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: fbtft: force cast to non-__iomem pointer

> Can't we fix this properly, to use the correct type of pointer instead
> for non-__iomem allocations?

You mean making an alternate screen_base pointer inside fb_info that
isn't __iomem?  There are already a bunch of framebuffer drivers that
(ab)use screen_base to store non-__iomem pointers, so this didn't
strike me as too far out of line.

Garret
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