[PATCH 1/2] ARM: EXYNOS: add support GPIO for EXYNOS5250

[grant.likely@secretlab.ca (Grant Likely)]

On Tue, Jan 31, 2012 at 10:40:43PM +0000, Russell King - ARM Linux wrote:
> On Wed, Feb 01, 2012 at 12:50:39AM +0900, Kukjin Kim wrote:
> > From: Sangsu Park <sangsu4u.park@samsung.com>
> > 
> > This patch adds follwing.
> > - IO-map for EXYNOS5250 GPIO support
> > - EXYNOS5250 GPIO bank size/number definitions
> > - memory map definition for S5P GPIO4
> > 
> > Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
> > Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
> 
> Do you actually need these static mapping definitions?  The samsung
> gpiolib initialization is called from a core_initcall(), and at this
> time ioremap() is fully capable of working.

Indeed.  Please get rid of the S5P_VA_GPIO* macros and use ioremap to
set up the registers mappings.  I understand that the existing code
already does that, but I don't want to see any more added.  Also, it
is easy to fix by adding the ioremap calls to samsung_gpio_init()

g.