summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/irq.c
diff options
context:
space:
mode:
authorJean Pihet <jean.pihet@newoldbits.com>2010-11-17 17:52:11 (GMT)
committerTony Lindgren <tony@atomide.com>2010-12-18 00:48:20 (GMT)
commit447b8da5d78ac8f2815a7824c0eb4ad66ba3e11e (patch)
tree95dfa4da0fc5f3b7ba2e85d82a3d62031d16f8de /arch/arm/mach-omap2/irq.c
parentfea83f6a9b0a90fefca16ac3534e308f6c34144b (diff)
downloadlinux-447b8da5d78ac8f2815a7824c0eb4ad66ba3e11e.tar.xz
OMAP3: add comments for erratas i540 and i478 workarounds
Add comments and IDs for the following erratas: - i540: MPU cannot exit from Standby, - i478: Unexpected Cold-Reset is generated when device is coming back from OFF mode Signed-off-by: Jean Pihet <j-pihet@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/irq.c')
-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 32eeabe..85bf8ca 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);
}