linux-kernel - Re: [PATCH 1/3] drm: bridge: synopsys/dw-hdmi: Enable cec clock

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Message-ID: <20171020081203.GD20805@n2100.armlinux.org.uk>
Date:   Fri, 20 Oct 2017 09:12:04 +0100
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Pierre-Hugues Husson <phh@....me>
Cc:     linux-rockchip@...ts.infradead.org, linux-media@...r.kernel.org,
        heiko@...ech.de, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] drm: bridge: synopsys/dw-hdmi: Enable cec clock

On Sat, Oct 14, 2017 at 12:53:35AM +0200, Pierre-Hugues Husson wrote:
> @@ -2382,6 +2383,18 @@ __dw_hdmi_probe(struct platform_device *pdev,
>  		goto err_isfr;
>  	}
>  
> +	hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec");
> +	if (IS_ERR(hdmi->cec_clk)) {
> +		hdmi->cec_clk = NULL;

What if devm_clk_get() returns EPROBE_DEFER?  Does that really mean the
clock does not exist?

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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