From 7414a1b8b2b99093d6a271a1220557e87dc1ae94 Mon Sep 17 00:00:00 2001 From: Rajeev KUMAR Date: Wed, 1 Feb 2012 16:12:17 +0530 Subject: [PATCH] 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 Acked-by: Viresh Kumar Signed-off-by: Vinod Koul --- drivers/dma/dw_dmac.c | 4 ++++ 1 file changed, 4 insertions(+) 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 = { -- 2.20.1