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-rw-r--r--arch/arm/mach-omap2/irq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 32eeabe9d2ab..85bf8ca95fd3 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -284,7 +284,10 @@ void omap3_intc_suspend(void)
void omap3_intc_prepare_idle(void)
{
- /* Disable autoidle as it can stall interrupt controller */
+ /*
+ * Disable autoidle as it can stall interrupt controller,
+ * cf. errata ID i540 for 3430 (all revisions up to 3.1.x)
+ */
intc_bank_write_reg(0, &irq_banks[0], INTC_SYSCONFIG);
}