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

Felipe Balbi
2013-11-20T18:10:28Z

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

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
arch/arm/mach-omap2/irq.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

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;
--
1.8.4.GIT