[PATCH] pxa/hx4700: Fix PXA_GPIO_IRQ_BASE/IRQ_NUM values

[Russell King - ARM Linux]

On Wed, Jan 04, 2012 at 02:41:47PM +0800, Haojian Zhuang wrote:
> On Fri, Dec 23, 2011 at 3:49 AM, Dmitry Artamonow <mad_soft at inbox.ru> wrote:
> > On 13:58 Thu 22 Dec     , Haojian Zhuang wrote:
> >> On Thu, Dec 22, 2011 at 3:19 AM, Dmitry Artamonow <mad_soft at inbox.ru> wrote:
> >> >
> >> > Yes, I also think increasing ARCH_NR_GPIO is the way to go.
> >> > BTW, there's a patchset floating around which moves such custom
> >> > settings of ARCH_NR_GPIO from mach/gpio.h into Kconfig variable:
> >> > http://lkml.indiana.edu/hypermail/linux/kernel/1111.0/01433.html
> >> >
> >> > I'm not sure though if it's going to be merged into 3.3
> >> >
> >> I think configuring ARCH_NR_GPIO is not a good solution. Since
> >> building one image
> >> is a target. While multiple archs are built together, what will happen?
> >
> > Setting custom ARCH_NR_GPIO in mach/gpio.h does scale only inside one
> > sub-arch, but the patch from the set above which migrates ARCH_NR_GPIO to
> > arch/arm/include/asm/gpio.h and converts it into Kconfig variable should
> > help to select proper ARCH_NR_GPIO even for multi-arch kernels
> > (Kconfig's magic will ensure that proper maximal value of ARCH_NR_GPIO
> > is selected for each combination of platforms)
> >
> > See the patch here:
> > http://lkml.indiana.edu/hypermail/linux/kernel/1111.0/01431.html
> >
> > and Russell's explanation of Kconfig magic here:
> > http://lkml.indiana.edu/hypermail/linux/kernel/1111.0/01577.html
> >
> 
> Excuse me to response so late.
> 
> Russell,
> 
> Since I failed to access your git tree, I can't verity whether the ARCH_NR_GPIO
> patch set is merged into your tree. Could you help to confirm this?

commit 44986ab056076e9dc9fb9f8b4729afef7fa72616
Author: Peter De Schrijver (NVIDIA) <pdeschrijver at nvidia.com>
Date:   Wed Dec 21 10:48:45 2011 +0100

    ARM: 7240/1: Make ARCH_NR_GPIO a Kconfig variable

    Change ARCH_NR_GPIO into a Kconfig variable as suggested by Russel King.
    This makes ARCH_NR_GPIO single zImage friendly. The default value for
    tegra is defined as well.

    Signed-off-by: Peter De Schrijver <pdeschrijver at nvidia.com>
    Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

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