RE: [PATCH 3/7] usb: phy: tegra: Get PHY mode using DT

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> -----Original Message-----
> From: Stephen Warren [mailto:swarren@xxxxxxxxxxxxx]
> Sent: Wednesday, March 20, 2013 1:29 AM
> To: Venu Byravarasu
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; stern@xxxxxxxxxxxxxxxxxxx;
> balbi@xxxxxx; linux-usb@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-tegra@xxxxxxxxxxxxxxx; devicetree-discuss@xxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 3/7] usb: phy: tegra: Get PHY mode using DT
> 
> On 03/18/2013 06:29 AM, Venu Byravarasu wrote:
> > Added a new PHY mode to support OTG.
> > Obtained Tegra USB PHY mode using DT property.
> 
> > diff --git a/drivers/usb/phy/tegra_usb_phy.c
> b/drivers/usb/phy/tegra_usb_phy.c
> 
> > @@ -713,6 +712,16 @@ struct tegra_usb_phy
> *tegra_usb_phy_open(struct device *dev, int instance,
> >  	else
> >  		phy->is_ulpi_phy = true;
> >
> > +	err = of_property_match_string(np, "dr_mode", "otg");
> > +	if (err < 0) {
> > +		err = of_property_match_string(np, "dr_mode", "gadget");
> > +		if (err < 0)
> 
> The binding says the 3 legal values for this property are "host",
> "peripheral", or "otg". This agrees with the usage in
> Documentation/devicetree/bindings/usb/fsl-usb.txt and
> drivers/usb/host/fsl-mph-dr-of.c. So, "gadget" is not something the code
> should be checking for.

Agree, will correct it. 

> 
> I'm sure I pointed this out before.
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