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| author | Robert Lee <rob.lee@linaro.org> | 2012-05-21 17:50:25 -0500 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-06-05 08:48:35 +0200 |
| commit | eee4f4003824b0887251a3ba4493217371816a57 (patch) | |
| tree | 250e0df59c0ed758a52cf5d0b0fb7b9da20fa83c /arch/arm/plat-mxc/tzic.c | |
| parent | 2ce2e4b2b56dd564d27e7aadb92ed0c2342a9c57 (diff) | |
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 <rob.lee@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/tzic.c')
| -rw-r--r-- | arch/arm/plat-mxc/tzic.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) { |