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arm: omap: irq: add a global omap_nr_irqs variable

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this will cache number of irqs. Also in preparation
for removal of irq_banks array.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Felipe Balbi 2014-09-08 17:54:34 -07:00 committed by Tony Lindgren
parent 71be00c90a
commit 421b090c83
1 changed files with 3 additions and 0 deletions
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3
arch/arm/mach-omap2/irq.c
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@ -70,6 +70,7 @@ static struct omap_irq_bank {
static struct irq_domain *domain; static struct irq_domain *domain;
static void __iomem *omap_irq_base; static void __iomem *omap_irq_base;
static int omap_nr_irqs = 96;
/* Structure to save interrupt controller context */ /* Structure to save interrupt controller context */
struct omap3_intc_regs { struct omap3_intc_regs {
@ -170,6 +171,8 @@ static void __init omap_init_irq(u32 base, int nr_irqs,
if (WARN_ON(!omap_irq_base)) if (WARN_ON(!omap_irq_base))
return; return;
omap_nr_irqs = nr_irqs;
irq_base = irq_alloc_descs(-1, 0, nr_irqs, 0); irq_base = irq_alloc_descs(-1, 0, nr_irqs, 0);
if (irq_base < 0) { if (irq_base < 0) {
pr_warn("Couldn't allocate IRQ numbers\n"); pr_warn("Couldn't allocate IRQ numbers\n");