linux-kernel - Re: [PATCH 04/12] usb: phy: ab8500-usb: fix eye diagram for ab8500 v2.0

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Message-ID: <20130403085858.GK25837@arwen.pp.htv.fi>
Date:	Wed, 3 Apr 2013 11:58:58 +0300
From:	Felipe Balbi <balbi@...com>
To:	Felipe Balbi <balbi@...com>
CC:	Fabio Baltieri <fabio.baltieri@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Praveena Nadahally <praveen.nadahally@...ricsson.com>,
	<linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	Sakethram Bommisetti <sakethram.bommisetti@...ricsson.com>
Subject: Re: [PATCH 04/12] usb: phy: ab8500-usb: fix eye diagram for ab8500
 v2.0

On Wed, Apr 03, 2013 at 11:53:36AM +0300, Felipe Balbi wrote:
> On Wed, Apr 03, 2013 at 10:45:05AM +0200, Fabio Baltieri wrote:
> > From: Sakethram Bommisetti <sakethram.bommisetti@...ricsson.com>
> > 
> > AB8500 v2.0 has eye diagram issues when drawing more than 100mA from
> > VBUS.  Force charging current to 100mA in case of standard host.
> > 
> > Signed-off-by: Sakethram Bommisetti <sakethram.bommisetti@...ricsson.com>
> > Acked-by: Linus Walleij <linus.walleij@...aro.org>
> > Signed-off-by: Fabio Baltieri <fabio.baltieri@...aro.org>
> > ---
> >  drivers/usb/phy/phy-ab8500-usb.c | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> > 
> > diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c
> > index 5b92a59..1fd0780 100644
> > --- a/drivers/usb/phy/phy-ab8500-usb.c
> > +++ b/drivers/usb/phy/phy-ab8500-usb.c
> > @@ -485,6 +485,18 @@ static void ab8500_usb_phy_disable_work(struct work_struct *work)
> >  		ab8500_usb_peri_phy_dis(ab);
> >  }
> >  
> > +static unsigned ab8500_eyediagram_workaroud(struct ab8500_usb *ab, unsigned mA)
> > +{
> > +	/* AB8500 V2 has eye diagram issues when drawing more than 100mA from
> 
> wrong comment style. Please run *all* patches through checkpatch.pl
> --strict and sparse. I can wait 2 more hours before closing my tree for
> v3.10.

you know what ? this is simple enough, I'll fix it myself.

-- 
balbi

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