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

[Sachin Kamat]

Ping Kukjin.


On 15 July 2013 17:22, Sachin Kamat <sachin.kamat at linaro.org> wrote:
> On 24 June 2013 11:43, Sachin Kamat <sachin.kamat at linaro.org> 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 (285) than the default number of GPIOs (255).
>> Thus define this number in Kconfig file. 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>
>> ---
>> Based on Kukjin's for-next tree.
>> ---
>>  arch/arm/Kconfig |    1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index ddf2667..380a53b 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -1578,6 +1578,7 @@ config ARCH_NR_GPIO
>>         default 512 if SOC_OMAP5
>>         default 392 if ARCH_U8500
>>         default 352 if ARCH_VT8500
>> +       default 288 if ARCH_EXYNOS
>>         default 288 if ARCH_SUNXI
>>         default 264 if MACH_H4700
>>         default 0
>> --
>> 1.7.9.5
>>
>
> Kukjin,
>
> Now that 3.11-rc1 is out, can you please queue this up for 3.11-rc2 as
> without this patch
> gpio support on 4412 boards is broken.
>
>
> --
> With warm regards,
> Sachin



-- 
With warm regards,
Sachin