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Date: Thu, 12 Jan 2012 14:28:33 +0530
From: Viresh Kumar <viresh.kumar@st.com>
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To: Rajeev KUMAR <rajeev-dlh.kumar@st.com>
Cc: "vinod.koul@intel.com" <vinod.koul@intel.com>,
        "linus.walleij@linaro.org" <linus.walleij@linaro.org>,
        Mirko GARDI <mirko.gardi@st.com>,
        Bhupesh SHARMA <bhupesh.sharma@st.com>,
        Deepak SIKRI <deepak.sikri@st.com>,
        Shiraz HASHIM <shiraz.hashim@st.com>, Vipin KUMAR <vipin.kumar@st.com>,
        Vipul Kumar SAMAR <vipulkumar.samar@st.com>,
        Pratyush ANAND <pratyush.anand@st.com>,
        Armando VISCONTI <armando.visconti@st.com>,
        "dan.j.williams@intel.com" <dan.j.williams@intel.com>,
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	<linux-arm-kernel@lists.infradead.org>,
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Subject: Re: [PATCH V2] dmaengine/dw_dmac: Hibernation support in dw_dmac
References: <1326358055-6576-1-git-send-email-rajeev-dlh.kumar@st.com>
In-Reply-To: <1326358055-6576-1-git-send-email-rajeev-dlh.kumar@st.com>
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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@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@st.com>

-- 
viresh