Re: [PATCH v6 02/10] drm/rockchip: analogix_dp: Remove unnecessary init code

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On Fri, Oct 20, 2017 at 09:48:35AM +0800, Mark yao wrote:
> On 2017年10月19日 11:48, Jeffy Chen wrote:
> > Remove unnecessary init code, since we would do it in the power_on()
> > callback.
> > 
> > Also move of parse code to probe().
> > 
> > Fixes: 9e32e16e9e98 ("drm: rockchip: dp: add rockchip platform dp driver")
> > Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
> 
> Looks good for me
> Acked-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>

Pushed to -misc-next

Thanks,

Sean

> 
> > ---
> > 
> > Changes in v6: None
> > Changes in v5: None
> > 
> >   drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 27 ++++++-------------------
> >   1 file changed, 6 insertions(+), 21 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> > index 4d3f6ad0abdd..8cae5ad926cd 100644
> > --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> > +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> > @@ -269,7 +269,7 @@ static struct drm_encoder_funcs rockchip_dp_encoder_funcs = {
> >   	.destroy = rockchip_dp_drm_encoder_destroy,
> >   };
> > -static int rockchip_dp_init(struct rockchip_dp_device *dp)
> > +static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
> >   {
> >   	struct device *dev = dp->dev;
> >   	struct device_node *np = dev->of_node;
> > @@ -303,19 +303,6 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp)
> >   		return PTR_ERR(dp->rst);
> >   	}
> > -	ret = clk_prepare_enable(dp->pclk);
> > -	if (ret < 0) {
> > -		DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);
> > -		return ret;
> > -	}
> > -
> > -	ret = rockchip_dp_pre_init(dp);
> > -	if (ret < 0) {
> > -		DRM_DEV_ERROR(dp->dev, "failed to pre init %d\n", ret);
> > -		clk_disable_unprepare(dp->pclk);
> > -		return ret;
> > -	}
> > -
> >   	return 0;
> >   }
> > @@ -361,10 +348,6 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
> >   	if (!dp_data)
> >   		return -ENODEV;
> > -	ret = rockchip_dp_init(dp);
> > -	if (ret < 0)
> > -		return ret;
> > -
> >   	dp->data = dp_data;
> >   	dp->drm_dev = drm_dev;
> > @@ -398,7 +381,6 @@ static void rockchip_dp_unbind(struct device *dev, struct device *master,
> >   	rockchip_drm_psr_unregister(&dp->encoder);
> >   	analogix_dp_unbind(dev, master, data);
> > -	clk_disable_unprepare(dp->pclk);
> >   }
> >   static const struct component_ops rockchip_dp_component_ops = {
> > @@ -414,7 +396,7 @@ static int rockchip_dp_probe(struct platform_device *pdev)
> >   	int ret;
> >   	ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL);
> > -	if (ret)
> > +	if (ret < 0)
> >   		return ret;
> >   	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
> > @@ -422,9 +404,12 @@ static int rockchip_dp_probe(struct platform_device *pdev)
> >   		return -ENOMEM;
> >   	dp->dev = dev;
> > -
> >   	dp->plat_data.panel = panel;
> > +	ret = rockchip_dp_of_probe(dp);
> > +	if (ret < 0)
> > +		return ret;
> > +
> >   	/*
> >   	 * We just use the drvdata until driver run into component
> >   	 * add function, and then we would set drvdata to null, so
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS
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