[PATCH 11/16] ARM: mxc: Switch over to gpiolib ->to_irq() and __gpio_to_irq().

Shawn Guo shawn.gsc at gmail.com
Thu Dec 16 04:00:01 EST 2010


Hi Uwe,

Do I need to pick this up in my v7 of mxs patch-set?

On Wed, Dec 15, 2010 at 10:22 PM, Sascha Hauer <s.hauer at pengutronix.de> wrote:
> Hi Lennert,
>
> [added Eric Bénard to Cc]
>
> On Wed, Dec 15, 2010 at 03:03:45AM +0100, Lennert Buytenhek wrote:
>> Signed-off-by: Lennert Buytenhek <buytenh at secretlab.ca>
>
> Generally Acked-by: Sascha Hauer <s.hauer at pengutronix.de>
>
> We have some static initializers in the tree though which do not work
> with this patch:
>
> arch/arm/mach-mx3/mach-cpuimx35.c:71:           .irq            = gpio_to_irq(TSC2007_IRQGPIO),
> arch/arm/mach-mx5/board-cpuimx51sd.c:139:               .irq = gpio_to_irq(TSC2007_IRQGPIO),
> arch/arm/mach-mx5/board-cpuimx51sd.c:250:               .irq = gpio_to_irq(CAN_IRQGPIO)
>
> Sascha
>
>> ---
>>  arch/arm/plat-mxc/gpio.c              |    9 +++++++++
>>  arch/arm/plat-mxc/include/mach/gpio.h |    2 +-
>>  2 files changed, 10 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
>> index 9c3e362..8e97976 100644
>> --- a/arch/arm/plat-mxc/gpio.c
>> +++ b/arch/arm/plat-mxc/gpio.c
>> @@ -272,6 +272,14 @@ static void mxc_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
>>       spin_unlock_irqrestore(&port->lock, flags);
>>  }
>>
>> +static int mxc_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
>> +{
>> +     struct mxc_gpio_port *port =
>> +             container_of(chip, struct mxc_gpio_port, chip);
>> +
>> +     return port->virtual_irq_start + offset;
>> +}
>> +
>>  static int mxc_gpio_get(struct gpio_chip *chip, unsigned offset)
>>  {
>>       struct mxc_gpio_port *port =
>> @@ -320,6 +328,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
>>               port[i].chip.direction_output = mxc_gpio_direction_output;
>>               port[i].chip.get = mxc_gpio_get;
>>               port[i].chip.set = mxc_gpio_set;
>> +             port[i].chip.to_irq = mxc_gpio_to_irq;
>>               port[i].chip.base = i * 32;
>>               port[i].chip.ngpio = 32;
>>
>> diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h
>> index af33b74..9062fe3 100644
>> --- a/arch/arm/plat-mxc/include/mach/gpio.h
>> +++ b/arch/arm/plat-mxc/include/mach/gpio.h
>> @@ -27,8 +27,8 @@
>>  #define gpio_get_value               __gpio_get_value
>>  #define gpio_set_value               __gpio_set_value
>>  #define gpio_cansleep                __gpio_cansleep
>> +#define gpio_to_irq          __gpio_to_irq
>>
>> -#define gpio_to_irq(gpio)    (MXC_GPIO_IRQ_START + (gpio))
>>  #define irq_to_gpio(irq)     ((irq) - MXC_GPIO_IRQ_START)
>>
>>  struct mxc_gpio_port {
>> --
>> 1.7.1
>>
>>
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>>
>
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-- 
Regards,
Shawn



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