From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Wed, 4 Apr 2012 13:56:24 +0100 Subject: [PATCH] ARM: fix __io macro for PCMCIA In-Reply-To: <201204041027.30353.arnd@arndb.de> References: <1333509112-1555-1-git-send-email-robherring2@gmail.com> <20120404090335.GQ24211@n2100.arm.linux.org.uk> <201204041027.30353.arnd@arndb.de> Message-ID: <20120404125624.GT24211@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Apr 04, 2012 at 10:27:30AM +0000, Arnd Bergmann wrote: > On Wednesday 04 April 2012, Russell King - ARM Linux wrote: > > On Tue, Apr 03, 2012 at 10:11:52PM -0500, Rob Herring wrote: > > > With commit c334bc1 (ARM: make mach/io.h include optional), PCMCIA was > > > broken as PCMCIA depends on __io() being just a cast. This needs a better > > > fix with a fixed i/o address mapping, but for now we just restore things > > > to the previous behavior. > > > > And what about systems with PCI IO at non-zero offsets with cardbus/pcmcia? > > This is broken and your assumption above is wrong. > > I would think they all still use their own mach/io.h. Which ones are you > thinking of? But they don't need the IO_SPACE_LIMIT messed around with - it should remain at 64K not 4GB.