[PATCH v3 1/1] ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos

[Kukjin Kim]

Sachin Kamat wrote:
> 
> On 24 July 2013 11:50, Kukjin Kim <kgene at kernel.org> wrote:
> > Sachin Kamat wrote:
> >>
> >> With the recent cleanup in Exynos platform code notably commits
> >> 17859bec ("ARM: EXYNOS: Do not select legacy Kconfig symbols any
> >> more") and b9222210 ("ARM: EXYNOS: Remove mach/gpio.h"), the definition
> >> of ARCH_NR_GPIOS got removed. This started causing problems on SoCs
> like
> >> Exynos4412 which have more than the default number of GPIOs. Thus
> define
> >> this number in KConfig file which takes care of current SoC
> requirements
> >> and provides scope for GPIO expanders. Without this patch we get the
> >> following
> >> errors during boot:
> >>
> >> gpiochip_add: gpios 251..258 (gpv0) failed to register
> >> samsung-pinctrl 106e0000.pinctrl: failed to register gpio_chip gpv0,
> >> error code: -22
> >> samsung-pinctrl: probe of 106e0000.pinctrl failed with error -22
> >>
> >> Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
> >> Cc: Tomasz Figa <t.figa at samsung.com>
> >> ---
> >> Changes since v2:
> >> Changed the default number to 512 to accomodate GPIO exapnders.
> >> ---
> >>  arch/arm/Kconfig |    1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> >> index ccc388d..b3c4fa4 100644
> >> --- a/arch/arm/Kconfig
> >> +++ b/arch/arm/Kconfig
> >> @@ -1601,6 +1601,7 @@ config ARCH_NR_GPIO
> >>       int
> >>       default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
> >>       default 512 if SOC_OMAP5
> >> +     default 512 if ARCH_EXYNOS
> >>       default 512 if ARCH_KEYSTONE
> >
> > +       default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 ?
> 
> Looks good. Do you want me to re-send this?
> 
Yes, please.

- Kukjin