On Thu, Jul 23, 2015 at 8:25 PM, Lars-Peter Clausen <lars@xxxxxxxxxx> wrote:
> On 07/22/2015 07:33 PM, Alban Bedel wrote:
>>
>> diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
>> index 54c80d4..3dc500c 100644
>> --- a/arch/mips/jz4740/gpio.c
>> +++ b/arch/mips/jz4740/gpio.c
>> @@ -262,18 +262,6 @@ uint32_t jz_gpio_port_get_value(int port, uint32_t
>> mask)
>> }
>> EXPORT_SYMBOL(jz_gpio_port_get_value);
>>
>> -int gpio_to_irq(unsigned gpio)
>> -{
>> - return JZ4740_IRQ_GPIO(0) + gpio;
>> -}
>> -EXPORT_SYMBOL_GPL(gpio_to_irq);
>
>
> This need to be hooked up the gpio_to_irq() callback of the gpio_chip struct
> of this driver rather than completely removing it. Otherwise this
> functionality will be broken.
>
> Similar for other platforms which implement the function.
Even better is to see if we can convert the driver to
GPIOLIB_IRQCHIP which moves the handling of IRQ mapping
to the gpiolib core. This works for all simple cascading GPIO-with-IRQ
controllers with a local mask register. (Not when the system intcon
and GPIO is mashed up though.)
But no hurry with that.
Yours,
Linus Walleij
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