linux-kernel - Re: [PATCH v8 10/17] phy: Add driver for rockchip Display Port PHY

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Date:	Thu, 29 Oct 2015 09:14:44 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>
Cc:	Inki Dae <inki.dae@...sung.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Yao <mark.yao@...k-chips.com>,
	Russell King <linux@....linux.org.uk>, djkurtz@...omium.org,
	dianders@...omium.org, Sean Paul <seanpaul@...omium.org>,
	Kukjin Kim <kgene@...nel.org>,
	Kumar Gala <galak@...eaurora.org>, emil.l.velikov@...il.com,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Kishon Vijay Abraham I <kishon@...com>,
	Pawel Moll <pawel.moll@....com>, ajaynumb@...il.com,
	robherring2@...il.com, javier@....samsung.com,
	Andy Yan <andy.yan@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kern,
	el.org@...L.NULL, linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v8 10/17] phy: Add driver for rockchip Display Port PHY

Hi Heiko,

On 10/29/2015 04:36 AM, Heiko Stuebner wrote:
> Hi Yakir,
>
> Am Mittwoch, 28. Oktober 2015, 16:30:33 schrieb Yakir Yang:
>> +static int rockchip_dp_phy_probe(struct platform_device *pdev)
>> +{
>> +	struct device *dev = &pdev->dev;
>> +	struct device_node *np = dev->of_node;
>> +	struct phy_provider *phy_provider;
>> +	struct rockchip_dp_phy *dp;
>> +	struct resource *res;
> drivers/phy/phy-rockchip-dp.c: In function 'rockchip_dp_phy_probe':
> drivers/phy/phy-rockchip-dp.c:86:19: warning: unused variable 'res' [-Wunused-variable]

Oh, thanks, would send v9 of this one alone.

- Yakir

>> +	struct phy *phy;
>> +	int ret;
>> +
>> +	if (!np)
>> +		return -ENODEV;
>> +
>> +	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
>> +	if (IS_ERR(dp))
>> +		return -ENOMEM;
>> +
>> +	dp->dev = dev;
>> +
>> +	dp->phy_24m = devm_clk_get(dev, "24m");
>> +	if (IS_ERR(dp->phy_24m)) {
>> +		dev_err(dev, "cannot get clock 24m\n");
>> +		return PTR_ERR(dp->phy_24m);
>> +	}
>> +
>> +	ret = clk_set_rate(dp->phy_24m, 24000000);
>> +	if (ret < 0) {
>> +		dev_err(dp->dev, "cannot set clock phy_24m %d\n", ret);
>> +		return ret;
>> +	}
>> +
>
>
>


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