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dmaengine/dw_dmac: Hibernation support in dw_dmac

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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>
This commit is contained in:
Rajeev KUMAR 2012-02-01 16:12:17 +05:30 committed by Vinod Koul
parent 91c1c9e36d
commit 7414a1b8b2
1 changed files with 4 additions and 0 deletions
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4
drivers/dma/dw_dmac.c
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@ -1562,6 +1562,10 @@ static int dw_resume_noirq(struct device *dev)
static const struct dev_pm_ops dw_dev_pm_ops = { static const struct dev_pm_ops dw_dev_pm_ops = {
.suspend_noirq = dw_suspend_noirq, .suspend_noirq = dw_suspend_noirq,
.resume_noirq = dw_resume_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 = { static struct platform_driver dw_driver = {