From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "pawel.moll@arm.com" <pawel.moll@arm.com>,
        "mark.rutland@arm.com" <mark.rutland@arm.com>,
        "ijc+devicetree@hellion.org.uk" <ijc+devicetree@hellion.org.uk>,
        "galak@codeaurora.org" <galak@codeaurora.org>
CC: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>
Subject: RE: [PATCH v5 1/4] phy: rcar-gen3-usb2: Add R-Car Gen3 USB2 PHY
 driver
Thread-Topic: [PATCH v5 1/4] phy: rcar-gen3-usb2: Add R-Car Gen3 USB2 PHY
 driver
Thread-Index: AQHRCxVugsTrC+OVrUOJE0PqXxaXop6vkLYAgAAIBlA=
Date: Fri, 27 Nov 2015 05:53:26 +0000
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 <5657E84C.5010800@ti.com>
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Hi,

Thank you for the review!

> From: Kishon Vijay Abraham I [mailto:kishon@ti.com]
> Sent: Friday, November 27, 2015 2:21 PM
> 
> Hi,
> 
> On Tuesday 20 October 2015 02:27 PM, Yoshihiro Shimoda wrote:
> > This patch adds support for R-Car generation 3 USB2 PHY driver.
> > This SoC has 3 EHCI/OHCI channels, and the channel 0 is shared
> > with the HSUSB (USB2.0 peripheral) device. And each channel has
> > independent registers about the PHYs.
> >
> > So, the purpose of this driver is:
> >  1) initializes some registers of SoC specific to use the
> >     {ehci,ohci}-platform driver.
> >
> >  2) detects id pin to select host or peripheral on the channel 0.
> >
> > For now, this driver only supports 1) above.
> 
> When you do 2), make sure to use the extcon framework.

Thank you for your proposal! I will use the extcon framework for it.

> One minor comment below and then I can queue it for 4.5.

Thank you!

< snip >
> > +	provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
> > +	if (IS_ERR(provider)) {
> > +		dev_err(dev, "Failed to register PHY provider\n");
> > +		return PTR_ERR(provider);
> > +	}
> > +
> > +	return 0;
> 
> This can simply be replaced with return PTR_ERR_OR_ZERO(provider);

Yes, I tested that this could simply be replaced with "return PTR_ERR_OR_ZERO(provider);".
So, should I send v6 patch?

Best regards,
Yoshihiro Shimoda

> Thanks
> Kishon
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