linux-kernel - Re: [PATCH 3/7] phy: usb: sunxi: Introduce Allwinner A31 USB PHY support

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Date:	Wed, 7 May 2014 16:57:39 -0500
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Kishon Vijay Abraham I <kishon@...com>
Cc:	Emilio Lopez <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>,
	stern@...land.harvard.edu, hdegoede@...hat.com,
	Boris Brezillon <boris@...e-electrons.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-usb@...r.kernel.org, kevin.z.m.zh@...il.com,
	sunny@...winnertech.com, shuge@...winnertech.com,
	zhuzhenhua@...winnertech.com, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 3/7] phy: usb: sunxi: Introduce Allwinner A31 USB PHY
 support

On Wed, May 07, 2014 at 07:05:30PM +0530, Kishon Vijay Abraham I wrote:
> Hi,
> 
> On Wednesday 07 May 2014 09:20 AM, Maxime Ripard wrote:
> > The USB phy controller in the A31 differs mostly from the older controllers
> > because it has a clock dedicated for each phy, while the older ones were having
> > a single clock for all the phys.
> > 
> > Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > ---
> >  drivers/phy/phy-sun4i-usb.c | 35 ++++++++++++++++++++++++++---------
> >  1 file changed, 26 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
> > index e6e6c4ba7145..1d83abe07a29 100644
> > --- a/drivers/phy/phy-sun4i-usb.c
> > +++ b/drivers/phy/phy-sun4i-usb.c
> > @@ -61,16 +61,17 @@
> >  #define MAX_PHYS			3
> >  
> >  struct sun4i_usb_phy_data {
> > -	struct clk *clk;
> >  	void __iomem *base;
> >  	struct mutex mutex;
> >  	int num_phys;
> >  	u32 disc_thresh;
> > +	bool dedicated_clocks;
> 
> Don't think we need this structure member as it's been used only in probe.

Ah, right.

I'll change this in the next version.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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