linux-kernel - Re: [PATCH v4 03/15] drm: rockchip/dw_hdmi

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Date:	Thu, 12 Mar 2015 11:24:32 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	djkurtz@...omium.org, dianders@...omium.org,
	linux-rockchip@...ts.infradead.org,
	David Airlie <airlied@...ux.ie>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Andy Yan <andy.yan@...k-chips.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	mmind00@...glemail.com, marcheu@...omium.org,
	mark.yao@...k-chips.com
Subject: Re: [PATCH v4 03/15] drm: rockchip/dw_hdmi_rockchip: add
 resume/suspend support

Am Samstag, den 28.02.2015, 21:32 -0500 schrieb Yakir Yang:
> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
> ---
> Changes in v4: None
> Changes in v3:
> - Setting the .pm member instead of suspend/resume
> 
> Changes in v2:
> - Add suspend/resume support for dw_hdmi_rockchip driver
> 
>  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> index d236faa..fc1d02e 100644
> --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> @@ -323,11 +323,27 @@ static int dw_hdmi_rockchip_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> +static int dw_hdmi_rockchip_suspend(struct device *dev)
> +{
> +	return dw_hdmi_suspend(dev);
> +}
> +
> +static int dw_hdmi_rockchip_resume(struct device *dev)
> +{
> +	return dw_hdmi_resume(dev);
> +}

You could just skip dw_hdmi_rockchip_suspend/resume and
set .suspend/.resume in dw_hdmi_rockchip_pm directly to
dw_hdmi_suspend/resume.

> +static const struct dev_pm_ops dw_hdmi_rockchip_pm = {
> +	.resume = dw_hdmi_rockchip_resume,
> +	.suspend = dw_hdmi_rockchip_suspend,
> +};
> +
>  static struct platform_driver dw_hdmi_rockchip_pltfm_driver = {
>  	.probe  = dw_hdmi_rockchip_probe,
>  	.remove = dw_hdmi_rockchip_remove,
>  	.driver = {
>  		.name = "dwhdmi-rockchip",
> +		.pm = &dw_hdmi_rockchip_pm,
>  		.of_match_table = dw_hdmi_rockchip_dt_ids,
>  	},
>  };

regards
Philipp

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