[PATCH v7 04/11] ARM: pxa: rename gpio_to_irq and irq_to_gpio

Haojian Zhuang haojian.zhuang at gmail.com
Mon Nov 14 05:34:06 EST 2011


On Mon, Nov 14, 2011 at 6:32 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Mon, Nov 14, 2011 at 06:28:23PM +0800, Haojian Zhuang wrote:
>> On Mon, Nov 14, 2011 at 6:09 PM, Russell King - ARM Linux
>> <linux at arm.linux.org.uk> wrote:
>> > On Wed, Nov 09, 2011 at 10:47:24AM +0800, Haojian Zhuang wrote:
>> >> diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c
>> >> index ebd9259..e79e081 100644
>> >> --- a/arch/arm/mach-pxa/cm-x2xx-pci.c
>> >> +++ b/arch/arm/mach-pxa/cm-x2xx-pci.c
>> >> @@ -43,9 +43,9 @@ void __cmx2xx_pci_init_irq(int irq_gpio)
>> >>
>> >>       cmx2xx_it8152_irq_gpio = irq_gpio;
>> >>
>> >> -     irq_set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_RISING);
>> >> +     irq_set_irq_type(PXA_GPIO_TO_IRQ(irq_gpio), IRQ_TYPE_EDGE_RISING);
>> >>
>> >> -     irq_set_chained_handler(gpio_to_irq(irq_gpio),
>> >> +     irq_set_chained_handler(PXA_GPIO_TO_IRQ(irq_gpio),
>> >>                               cmx2xx_it8152_irq_demux);
>> >
>> > The only comment remaining from the previous review of these patches is
>> > that these changes to the runtime usage of gpio_to_irq() should not be
>> > necessary.
>> >
>> > If gpiolib is implemented correctly, when running on PXA,
>> > PXA_GPIO_TO_IRQ(gpio) should be the same as gpio_to_irq(gpio).
>> >
>>
>> Yes, it seems that this patch is unnecessary. So will you merge rest
>> of those gpio patches into your git tree?
>
> Some of this patch is required - all the places where gpio_to_irq() is
> used as an initializer need to be fixed.  Those places where it is used
> at run-time should not be fixed up though.
>

OK. I'll submit a new patch series again.

Thanks
Haojian



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