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SubjectRe: [PATCH] ARM: davinci: fix the GPIO lookup for omapl138-hawk
2018-02-28 7:38 GMT+01:00 Sekhar Nori <nsekhar@ti.com>:
> On Tuesday 27 February 2018 05:44 PM, Bartosz Golaszewski wrote:
>> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>>
>> The GPIO chip is called davinci_gpio.0 in legacy mode. Fix it, so that
>> mmc can correctly lookup the wp and cp gpios.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>> arch/arm/mach-davinci/board-omapl138-hawk.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
>> index a3e78074be70..62eb7d668890 100644
>> --- a/arch/arm/mach-davinci/board-omapl138-hawk.c
>> +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
>> @@ -127,8 +127,8 @@ static struct gpiod_lookup_table mmc_gpios_table = {
>> .dev_id = "da830-mmc.0",
>> .table = {
>> /* CD: gpio3_12: gpio60: chip 1 contains gpio range 32-63*/
>> - GPIO_LOOKUP("davinci_gpio.1", 28, "cd", GPIO_ACTIVE_LOW),
>> - GPIO_LOOKUP("davinci_gpio.1", 29, "wp", GPIO_ACTIVE_LOW),
>> + GPIO_LOOKUP("davinci_gpio.0", 28, "cd", GPIO_ACTIVE_LOW),
>> + GPIO_LOOKUP("davinci_gpio.0", 29, "wp", GPIO_ACTIVE_LOW),
>
> Hmm, shouldn't this just be "davinci_gpio" since we use .id = -1 in
> da8xx_gpio_device?
>

The gpio-davinci driver sets the gpiochip label to davinci_gpio.0 and
gpiolib sets the device name to chip's label.

> Also:
>
> Fixes: c69f43fb4f26 ("ARM: davinci: hawk: use gpio descriptor for mmc pins")
>
> Thanks,
> Sekhar

Sending v2.

Thanks,
Bartosz

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