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@xxxxxx> --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel