[RFC PATCH] gpio/omap: Fix IRQ handling for SPARSE_IRQ

[DebBarma, Tarun Kanti]

On Fri, Feb 24, 2012 at 3:41 PM, Cousson, Benoit <b-cousson at ti.com> wrote:
> + Tarun
>
>
> On 2/24/2012 12:08 AM, Tony Lindgren wrote:
>>
>> * Cousson, Benoit<b-cousson at ti.com>  [120223 14:14]:
>>>
>>> The GPIO driver is still relying on internal OMAP IRQ defines that
>>> are not relevant anymore if OMAP is built with SPARSE_IRQ.
>>
>>
>> Great :)
>>
>>> Please note that this patch is still RFC, because I do not know
>>> how to fix properly the ugly cpu_class_is_omap1 and the dependency
>>> with IH_MPUIO_BASE to detect a MPUIO.
>>
>>
>> Sounds like gpio_to_irq() needs to be set in the
>> arch/arm/*omap*/gpio*.c then.
>
>
> In fact, after a second thought, that might even work for OMAP1 because I'm
> using the proper base (IRQ and GPIO) to convert the IRQ number.
>
>
> static int irq_to_gpio(struct gpio_bank *bank, unsigned int gpio_irq)
> {
>
>        return gpio_irq - bank->irq_base + bank->chip.base;
> }
>
> But it might be good to test it on OMAP1 platform.
>
>
> Tarun,
>
> Do you have an OMAP1 board to test that.
Yes, I will test on OMAP1 board.
--
Tarun
>
> Regards,
> Benoit