linux-kernel - Re: [PATCH v3 1/6] usb: host: usb-st-common: Add common code required by ohci-st and ehci-st

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Message-ID: <20140807141457.GB12137@griffinp-ThinkPad-X1-Carbon-2nd>
Date:	Thu, 7 Aug 2014 15:14:57 +0100
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,
	gregkh@...uxfoundation.org, stern@...land.harvard.edu,
	srinivas.kandagatla@...il.com, maxime.coquelin@...com,
	patrice.chotard@...com, lee.jones@...aro.org,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v3 1/6] usb: host: usb-st-common: Add common code
 required by ohci-st and ehci-st

Hi Arnd,

Thanks for reviewing, see my comments below: -

> > +	if (priv->rst) {
> > +		ret = 
> > (priv->rst);
> > +		if (ret)
> > +			goto err_assert_power;
> > +	}
> 
> I wouldn't make these optional, just call the functions
> unconditionally and fail the probe function if they are
> not available.
> 
> I'm not sure if it's worth keeping these functions in a
> common file. You are adding complexity this way and I don't
> think you are even saving a significant number of code lines
> compared to just having two copies of them.

I've unabstracted these common functions back into ehci-st.c and 
ohci-st,c in V4.

regards,

Peter.

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