From eee4f4003824b0887251a3ba4493217371816a57 Mon Sep 17 00:00:00 2001 From: Robert Lee Date: Mon, 21 May 2012 17:50:25 -0500 Subject: ARM: imx: Add comments to tzic_enable_waker() Add additional comments to the tzic_enable_wake() funciton to clarify its intended usage. Signed-off-by: Robert Lee Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/tzic.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index 98308ec1f321..a45dbea5e176 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -190,6 +190,10 @@ void __init tzic_init_irq(void __iomem *irqbase) * tzic_enable_wake() - enable wakeup interrupt * * @return 0 if successful; non-zero otherwise + * + * This function provides an interrupt synchronization point that is required + * by tzic enabled platforms before entering imx specific low power modes (ie, + * those low power modes beyond the WAIT_CLOCKED basic ARM WFI only mode). */ int tzic_enable_wake(void) { -- cgit v1.2.3-59-g8ed1b