linux-kernel - Re: [PATCHv3 08/11] usb: dwc3: add hsphy

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Message-ID: <20150429080412.GA25288@kuha.fi.intel.com>
Date:	Wed, 29 Apr 2015 11:04:12 +0300
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Felipe Balbi <balbi@...com>
Cc:	David Cohen <david.a.cohen@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Baolu Lu <baolu.lu@...ux.intel.com>,
	Paul Bolle <pebolle@...cali.nl>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv3 08/11] usb: dwc3: add hsphy_interface property

> > +	/* Select the HS PHY interface */
> > +	switch (DWC3_GHWPARAMS3_HSPHY_IFC(dwc->hwparams.hwparams3)) {
> > +	case DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI:
> > +		if (!strncmp(dwc->hsphy_interface, "utmi", 4)) {
> > +			reg &= ~DWC3_GUSB2PHYCFG_ULPI_UTMI;
> > +		} else if (!strncmp(dwc->hsphy_interface, "ulpi", 4)) {
> > +			reg |= DWC3_GUSB2PHYCFG_ULPI_UTMI;
> > +		} else {
> > +			dev_err(dwc->dev, "HSPHY Interface not defined\n");
> > +			return -EINVAL;
> 
> instead of erroring out, just leave default value and convert this to a
> dev_warn() or something similar. That way, older DTS will continue to
> work.

OK, I'll change it.

Thanks,

-- 
heikki
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