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From: CK Hu <ck.hu@mediatek.com>
To: Bibby Hsieh <bibby.hsieh@mediatek.com>
Cc: linux-kernel@vger.kernel.org,
	Sascha Hauer <kernel@pengutronix.de>,
	David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Cawa Cheng <cawa.cheng@mediatek.com>,
	dri-devel@lists.freedesktop.org,
	Mao Huang <littlecvr@chromium.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Yingjoe Chen <yingjoe.chen@mediatek.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1 6/7] drm/mediatek: add a error return value when clock driver has been prepared
Date: Mon, 28 May 2018 17:12:42 +0800	[thread overview]
Message-ID: <1527498762.14913.6.camel@mtksdaap41> (raw)
In-Reply-To: <20180514075243.5442-7-bibby.hsieh@mediatek.com>

Hi, Bibby:

On Mon, 2018-05-14 at 15:52 +0800, Bibby Hsieh wrote:
> DRM driver get the comp->clk by of_clk_get(), we only
> assign NULL to comp->clk when error happened, but do
> not return the error number.
> 

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 4672317e3ad1..d38a5303f8fc 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -283,7 +283,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
>  	comp->irq = of_irq_get(node, 0);
>  	comp->clk = of_clk_get(node, 0);
>  	if (IS_ERR(comp->clk))
> -		comp->clk = NULL;
> +		return PTR_ERR(comp->clk);
>  
>  	/* Only DMA capable components need the LARB property */
>  	comp->larb_dev = NULL;


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  reply	other threads:[~2018-05-28  9:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-14  7:52 [PATCH v1 0/7] drm/mediatek: support hdmi output for mt2701 and mt7623 Bibby Hsieh
2018-05-14  7:52 ` [PATCH v1 1/7] drm/mediatek: move dpi private data to device Bibby Hsieh
2018-05-28  8:25   ` CK Hu
2018-05-14  7:52 ` [PATCH v1 2/7] drm/mediatek: fix to get right bridge for dpi encoder Bibby Hsieh
2018-05-28  8:30   ` CK Hu
2018-05-14  7:52 ` [PATCH v1 3/7] drm/mediatek: add dpi driver for mt2701 and mt7623 Bibby Hsieh
2018-05-28  9:11   ` CK Hu
2018-05-14  7:52 ` [PATCH v1 4/7] drm/mediatek: add hdmi driver for different hardware Bibby Hsieh
2018-05-28  8:32   ` CK Hu
2018-05-14  7:52 ` [PATCH v1 5/7] drm/mediatek: implement connection from BLS to DPI0 Bibby Hsieh
2018-05-28  9:05   ` CK Hu
2018-05-14  7:52 ` [PATCH v1 6/7] drm/mediatek: add a error return value when clock driver has been prepared Bibby Hsieh
2018-05-28  9:12   ` CK Hu [this message]
2018-05-14  7:52 ` [PATCH v1 7/7] drm/mediatek: config component output by device node port Bibby Hsieh
2018-05-28  8:38   ` CK Hu

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