linux-kernel - Re: [RESEND PATCH v2 6/7] usb: xhci: plat: add generic PHY support

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Message-ID: <20160427075751.GA3540@kuha.fi.intel.com>
Date:	Wed, 27 Apr 2016 10:57:51 +0300
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Jisheng Zhang <jszhang@...vell.com>
Cc:	mathias.nyman@...el.com, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	yendapally.reddy@...adcom.com,
	Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: Re: [RESEND PATCH v2 6/7] usb: xhci: plat: add generic PHY support

Hi,

On Tue, Apr 26, 2016 at 08:57:39PM +0800, Jisheng Zhang wrote:
> @@ -232,22 +265,44 @@ static int xhci_plat_probe(struct platform_device *pdev)
>  	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
>  		xhci->shared_hcd->can_do_streams = 1;
>  
> +	hcd->phy = devm_phy_get(&pdev->dev, "usb2-phy");
> +	if (IS_ERR(hcd->phy)) {
> +		ret = PTR_ERR(hcd->phy);
> +		if (ret == -EPROBE_DEFER)
> +			goto put_usb3_hcd;
> +		hcd->phy = NULL;
> +	}
> +
> +	phy = devm_phy_get(&pdev->dev, "usb-phy");

"usb-phy" for what I understand is the USB3 PHY right?

I was unable to find any definition for the phy names for example from
Documentation/devicetree/bindings/usb/usb-xhci.txt, so I would say
this needs to be "usb3-phy" and the phy names need to be defined
somewhere.


Thanks,

-- 
heikki