Messages in this thread Patch in this message | | | From | Rajeev Kumar <> | Subject | [PATCH] dmaengine/dw_dmac: Hibernation support in dw_dmac | Date | Wed, 11 Jan 2012 11:53:09 +0530 |
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The suspend and resume implementation is through dev_pm_ops in dmac. So in order to support hibernation, freeze, thaw and restore features are required.
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com> --- drivers/dma/dw_dmac.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index d2e1c25..cb346d6 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1568,6 +1568,9 @@ 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, }; static struct platform_driver dw_driver = { -- 1.6.0.2
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