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Subject[PATCH v5 2/7] ARM: imx: Add comments to tzic_enable_waker()
Date
Add additional comments to the tzic_enable_wake() funciton to
clarify its intended usage.

Signed-off-by: Robert Lee <rob.lee@linaro.org>
---
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 98308ec..a45dbea 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)
{
--
1.7.10


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