From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/5] device: introduce resource structure to simplify resource delaration
Date: Tue, 23 Nov 2010 08:36:23 +0100 [thread overview]
Message-ID: <20101123073623.GG6017@pengutronix.de> (raw)
In-Reply-To: <20101121042854.GI4216@game.jcrosoft.org>
On Sun, Nov 21, 2010 at 05:28:54AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 14:58 Sat 20 Nov , Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 14:40 Sat 20 Nov , Sascha Hauer wrote:
> > > On Fri, Nov 19, 2010 at 12:30:09PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > On 09:00 Fri 19 Nov , Sascha Hauer wrote:
> > > > > Hi J,
> > > > >
> > > > > On Fri, Nov 12, 2010 at 07:18:54PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > > > introdude also some helper to manager them
> > > > > >
> > > > > > and add multi resource per device support
> > > > > >
> > > > > > ram device: use resource structure instead of memory_platform_data
> > > > > >
> > > > > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> > > > >
> > > > >
> > > > > You shouldn't use a resource_size_t type to access registers. This will
> > > > > lead to problems when we start to support 64bit resource sizes
> > > > no as resource_size_t is 64 bit aware
> > >
> > > And exactly this is the problem. void * is usually only 32bit on arm.
> > > This will lead to compiler warnings and sparse isn't happy about
> > > unsigned long in readl/writel anyway.
> > IIRC on arm resource_size_t is never 64bit at least on the current ARMvx
Think of MMC/SD cards > 4G.
Sascha
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next prev parent reply other threads:[~2010-11-23 7:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 18:02 [To test] [PATCH 0/5] device: introduce resource structure Jean-Christophe PLAGNIOL-VILLARD
2010-11-12 18:18 ` [PATCH 1/5] device: introduce resource structure to simplify resource delaration Jean-Christophe PLAGNIOL-VILLARD
2010-11-19 8:00 ` Sascha Hauer
2010-11-19 11:30 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-20 13:40 ` Sascha Hauer
2010-11-20 13:58 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-21 4:28 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-21 6:46 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-23 7:36 ` Sascha Hauer [this message]
2010-11-23 8:25 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-23 11:34 ` Sascha Hauer
2011-01-27 8:20 ` Sascha Hauer
2010-11-12 18:18 ` [PATCH 2/5] mem: add multiple resource support Jean-Christophe PLAGNIOL-VILLARD
2010-11-12 18:18 ` [PATCH 3/5] arm/setup_memory_tags: " Jean-Christophe PLAGNIOL-VILLARD
2010-11-12 18:18 ` [PATCH 4/5] edb93xx: convert to multiple mem resources Jean-Christophe PLAGNIOL-VILLARD
2010-11-12 18:18 ` [PATCH 5/5] pcm037: " Jean-Christophe PLAGNIOL-VILLARD
2010-11-17 13:59 ` [PATCH 1/2] mem: multiple resource support allow exclude a resource Jean-Christophe PLAGNIOL-VILLARD
2010-11-19 8:24 ` Sascha Hauer
2010-11-19 11:31 ` Jean-Christophe PLAGNIOL-VILLARD
2010-11-17 13:59 ` [PATCH 2/2] mem: convert to DEVFS_MEM_BAREBOX_ONLY for freescale-mx25-3-stack/pcm037/pvm038 Jean-Christophe PLAGNIOL-VILLARD
2010-11-17 14:09 ` Baruch Siach
2010-11-17 14:02 ` [To test] [PATCH 0/5] device: introduce resource structure Jean-Christophe PLAGNIOL-VILLARD
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