linux-kernel - Re: [PATCH 03/13] ARM: STi: DT: STiH416: Add DT nodes for the ehci and ohci usb controllers.

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Message-ID: <20141112134412.GA20187@griffinp-ThinkPad-X1-Carbon-2nd>
Date:	Wed, 12 Nov 2014 13:44:12 +0000
From:	Peter Griffin <peter.griffin@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	srinivas.kandagatla@...il.com, maxime.coquelin@...com,
	patrice.chotard@...com, devicetree@...r.kernel.org,
	lee.jones@...aro.org
Subject: Re: [PATCH 03/13] ARM: STi: DT: STiH416: Add DT nodes for the ehci
 and ohci usb controllers.

Hi Arnd,

Thanks for reviewing.

On Fri, 07 Nov 2014, Arnd Bergmann wrote:

> > +               ehci0: usb@...e1ffe00 {
> 
> Please drop the '0x' from the unit address in all instances.

Ok, fixed in v2

> 
> > +                       compatible = "st,st-ehci-300x";
> > +                       reg = <0xfe1ffe00 0x100>;
> > +                       interrupts = <GIC_SPI 148 IRQ_TYPE_NONE>;
> > +                       pinctrl-names = "default";
> > +                       pinctrl-0 = <&pinctrl_usb0>;
> > +                       clocks = <&clk_s_a1_ls 0>,
> > +                                <&clockgen_b0 0>;
> > +                       clock-names = "ic", "clk48";
> > +
> > +                       phys = <&usb2_phy>;
> > +                       phy-names = "usb";
> > +                       status = "okay";
> 
> No need to list 'status="okay"', it's the default. It might
> make sense to change this to 'status="disabled"' though, if the ports
> might be unused on some boards.

ok, removed in v2

> 
> >                 mmc0: sdhci@...1e000 {
> >                         bus-width = <8>;
> >                 };
> > +
> > +               usb0: usb@...00000 {
> > +                       status = "okay";
> > +               };
> > +
> > +               usb1: usb@...00000 {
> > +                       status = "okay";
> > +               };
> > +
> > +               usb2: usb@...00000 {
> > +                       status = "okay";
> > +               };
> 
> I don't understand this part: why do you add extra nodes here that only
> contain a status property?

Good spot, this is a bit of legacy code which I should have removed before submitting.
It's removed in v2.

regards,

Peter.
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