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authorRajeev KUMAR <rajeev-dlh.kumar@st.com>2012-02-01 16:12:17 +0530
committerVinod Koul <vinod.koul@linux.intel.com>2012-02-22 18:15:36 +0530
commit7414a1b8b2b99093d6a271a1220557e87dc1ae94 (patch)
treeb90b71cc10027e731a3ee2be091f6c62e3a8294f
parent91c1c9e36d9450974c9f04cf961d0b45aafca507 (diff)
dmaengine/dw_dmac: Hibernation support in dw_dmac
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@st.com> Acked-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
-rw-r--r--drivers/dma/dw_dmac.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 9b592b02b5f4..3a3d7edcd553 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 = {