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Diffstat (limited to 'arch/arm/mach-omap2/irq.c')
-rw-r--r--arch/arm/mach-omap2/irq.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index e9bc782fa41..26aeef560aa 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -194,7 +194,7 @@ void __init omap_init_irq(void)
int i;
for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
- unsigned long base;
+ unsigned long base = 0;
struct omap_irq_bank *bank = irq_banks + i;
if (cpu_is_omap24xx())
@@ -202,6 +202,8 @@ void __init omap_init_irq(void)
else if (cpu_is_omap34xx())
base = OMAP34XX_IC_BASE;
+ BUG_ON(!base);
+
/* Static mapping, never released */
bank->base_reg = ioremap(base, SZ_4K);
if (!bank->base_reg) {
@@ -274,4 +276,22 @@ void omap_intc_restore_context(void)
}
/* MIRs are saved and restore with other PRCM registers */
}
+
+void omap3_intc_suspend(void)
+{
+ /* A pending interrupt would prevent OMAP from entering suspend */
+ omap_ack_irq(0);
+}
+
+void omap3_intc_prepare_idle(void)
+{
+ /* Disable autoidle as it can stall interrupt controller */
+ intc_bank_write_reg(0, &irq_banks[0], INTC_SYSCONFIG);
+}
+
+void omap3_intc_resume_idle(void)
+{
+ /* Re-enable autoidle */
+ intc_bank_write_reg(1, &irq_banks[0], INTC_SYSCONFIG);
+}
#endif /* CONFIG_ARCH_OMAP3 */