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

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Message-ID: <CAFp+6iGXLKhtGaHm=dFDGCpN38G=w6mX0PuatskBhvcL_HA=Bg@mail.gmail.com>
Date:	Mon, 22 Sep 2014 11:04:36 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCH v4 1/2] usb: host: ehci-exynos: Remove unnecessary usb-phy support

On Thu, Sep 18, 2014 at 8:20 PM, Alan Stern <stern@...land.harvard.edu> wrote:
> 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?

sure, will update this.

>
> With or without that change, for both these two patches:
>
> Acked-by: Alan Stern <stern@...land.harvard.edu>
>
> --
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-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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