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arm: omap: gpio: don't access irq_desc array directly

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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@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Felipe Balbi 2011-01-05 08:46:18 +02:00 committed by Kevin Hilman
parent b97c374d8a
commit 1a9b587867
1 changed files with 7 additions and 3 deletions
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10
arch/arm/plat-omap/gpio.c
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@ -756,8 +756,10 @@ 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);
@ -1671,7 +1673,9 @@ static void __init omap_gpio_chip_init(struct gpio_bank *bank)
for (j = bank->virtual_irq_start;
j < bank->virtual_irq_start + bank_width; 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);