Re: [PATCH 1/2] gpio: acpi: normalize use of gpiochip_get_desc()

From: Alexandre Courbot
Date: Tue Aug 19 2014 - 13:00:18 EST


On Tue, Aug 19, 2014 at 2:32 AM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> On Mon, Aug 18, 2014 at 09:50:56AM -0700, Alexandre Courbot wrote:
>> GPIO descriptors are changing from unique and permanent tokens to
>> allocated resources. Therefore gpiochip_get_desc() cannot be used as a
>> way to obtain a global GPIO descriptor anymore.
>>
>> This patch updates the gpiolib ACPI support code to keep and use the
>> descriptor returned by a centralized call to gpiochip_get_desc().
>>
>> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
>> ---
>> drivers/gpio/gpiolib-acpi.c | 22 ++++++++++++++--------
>> 1 file changed, 14 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
>> index d62eaaa75397..9596a1023579 100644
>> --- a/drivers/gpio/gpiolib-acpi.c
>> +++ b/drivers/gpio/gpiolib-acpi.c
>> @@ -25,10 +25,12 @@ struct acpi_gpio_event {
>> acpi_handle handle;
>> unsigned int pin;
>> unsigned int irq;
>> + gpio_desc *desc;
>
> This needs to be
> struct gpio_desc *desc;
>
>> };

Oops apologies for this, I should have least have compiled a tree with
this patch on... >_<;

>
> Tested on Asus T100TA and nothing seems to break, so:
>
> Tested-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

Thanks! Will send a v2 for Linus to merge, if he agrees with these two patches.
Alex.
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