Felipe Balbi <balbi@xxxxxx> writes:
> Instead of accessing the irq_desc array directly
> we can use irq_to_desc(irq). That will allow us to,
> if wanted, select SPARSE_IRQ and irq_descs will be
> added to a radix tree, instead of a array.
>
> Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Can you refresh this one against Tony's omap-for-linus branch. The GPIO
omap_device/hwmod conversion changed things around a bit and this patch
doesn't apply.
After that, you can send separately, and I'll queue this one along with
some other GPIO core fixes for the 2.6.38-rc series after -rc1 comes
out.
Kevin
> ---
> arch/arm/plat-omap/gpio.c | 10 +++++++---
> 1 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
> index c05c653..c351758 100644
> --- a/arch/arm/plat-omap/gpio.c
> +++ b/arch/arm/plat-omap/gpio.c
> @@ -905,8 +905,10 @@ static int gpio_irq_type(unsigned irq, unsigned type)
> spin_lock_irqsave(&bank->lock, flags);
> retval = _set_gpio_triggering(bank, get_gpio_index(gpio), type);
> if (retval == 0) {
> - irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK;
> - irq_desc[irq].status |= type;
> + struct irq_desc *d = irq_to_desc(irq);
> +
> + d->status &= ~IRQ_TYPE_SENSE_MASK;
> + d->status |= type;
> }
> spin_unlock_irqrestore(&bank->lock, flags);
>
> @@ -1925,7 +1927,9 @@ static int __init _omap_gpio_init(void)
>
> for (j = bank->virtual_irq_start;
> j < bank->virtual_irq_start + gpio_count; j++) {
> - lockdep_set_class(&irq_desc[j].lock, &gpio_lock_class);
> + struct irq_desc *d = irq_to_desc(j);
> +
> + lockdep_set_class(&d->lock, &gpio_lock_class);
> set_irq_chip_data(j, bank);
> if (bank_is_mpuio(bank))
> set_irq_chip(j, &mpuio_irq_chip);
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