[PATCH V2] dmaengine/dw_dmac: Hibernation support in dw_dmac

Viresh Kumar viresh.kumar at st.com
Thu Jan 12 03:58:33 EST 2012


On 1/12/2012 2:17 PM, Rajeev KUMAR wrote:
> 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 at st.com>
> ---
>  drivers/dma/dw_dmac.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index 9b592b0..3a3d7ed 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,

Acked-by: Viresh Kumar <viresh.kumar at st.com>

-- 
viresh



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