linux-kernel - Re: [PATCH v4 1/2] usb: host: ehci-exynos: Remove unnecessary usb-phy support

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Message-ID: <Pine.LNX.4.44L0.1409181048290.894-100000@iolanthe.rowland.org>
Date:	Thu, 18 Sep 2014 10:50:26 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Vivek Gautam <gautam.vivek@...sung.com>
cc:	linux-usb@...r.kernel.org, <linux-samsung-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <gregkh@...uxfoundation.org>,
	<kgene.kim@...sung.com>, <jg1.han@...sung.com>
Subject: Re: [PATCH v4 1/2] usb: host: ehci-exynos: Remove unnecessary usb-phy
 support

On Thu, 18 Sep 2014, Vivek Gautam wrote:

> Now that we have completely moved from older USB-PHY drivers
> to newer GENERIC-PHY drivers for PHYs available with USB controllers
> on Exynos series of SoCs, we can remove the support for the same
> in our host drivers too.
> 
> We also defer the probe for our host in case we end up getting
> EPROBE_DEFER error when getting PHYs.

Better now.  But I didn't notice this the first time:

> +		if (IS_ERR(phy)) {
> +			ret = PTR_ERR(phy);
> +			if (ret == -EPROBE_DEFER) {
> +				return ret;
> +			} else if (ret != -ENOSYS && ret != -ENODEV) {
> +				dev_err(dev,
> +					"Error retrieving usb2 phy: %d\n", ret);
> +				return PTR_ERR(phy);

It doesn't make any real difference, but wouldn't you prefer to say
"return ret" here?

With or without that change, for both these two patches:

Acked-by: Alan Stern <stern@...land.harvard.edu>

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