[PATCH V3 01/12] dmaengine/dw_dmac: Hibernation support in dw_dmac
Viresh Kumar
viresh.kumar at st.com
Wed Feb 1 05:42:17 EST 2012
From: Rajeev KUMAR <rajeev-dlh.kumar at st.com>
The suspend and resume implementation is through dev_pm_ops in dmac. So
in order to support hibernation, freeze, thaw, restore and poweroff
features are required.
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar at st.com>
Acked-by: Viresh Kumar <viresh.kumar at st.com>
---
drivers/dma/dw_dmac.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 9b592b0..3a3d7ed 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1562,6 +1562,10 @@ static int dw_resume_noirq(struct device *dev)
static const struct dev_pm_ops dw_dev_pm_ops = {
.suspend_noirq = dw_suspend_noirq,
.resume_noirq = dw_resume_noirq,
+ .freeze_noirq = dw_suspend_noirq,
+ .thaw_noirq = dw_resume_noirq,
+ .restore_noirq = dw_resume_noirq,
+ .poweroff_noirq = dw_suspend_noirq,
};
static struct platform_driver dw_driver = {
--
1.7.8.110.g4cb5d
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