[RFT/RFC/PATCH,12/31] arm: omap: irq: add suspend/resume methods

Commit Message

Felipe Balbi Nov. 20, 2013, 6:08 p.m. UTC

there is a generic way to suspend/resume irqchips,
let's use that instead of our homebrew version.

Signed-off-by: Felipe Balbi <[e-mail]>
---
 arch/arm/mach-omap2/irq.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Patch

diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 45c5acc..6dfa6cf 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -150,6 +150,18 @@  static void omap_mask_ack_irq(struct irq_data *d)
 	omap_ack_irq(d);
 }
 
+static void omap_suspend_irq(struct irq_data *d)
+{
+	omap3_intc_prepare_idle();
+	omap_intc_save_context();
+}
+
+static void omap_resume_irq(struct irq_data *d)
+{
+	omap_intc_restore_context();
+	omap3_intc_resume_idle();
+}
+
 static void __init omap_irq_soft_reset(void)
 {
 	unsigned long tmp;
@@ -199,6 +211,8 @@  omap_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
 	ct->chip.irq_ack = omap_mask_ack_irq;
 	ct->chip.irq_mask = irq_gc_mask_disable_reg;
 	ct->chip.irq_unmask = irq_gc_unmask_enable_reg;
+	ct->chip.irq_suspend = omap_suspend_irq;
+	ct->chip.irq_resume = omap_resume_irq;
 	ct->chip.flags |= IRQCHIP_SKIP_SET_WAKE;
 
 	ct->regs.enable = INTC_MIR_CLEAR0;