netdev - Re: [PATCH 1/1] net/fec: add KSZ9021RN phy fixup

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Date:	Mon, 12 Dec 2011 21:51:19 +0800
From:	Richard Zhao <richard.zhao@...escale.com>
To:	Fabio Estevam <festevam@...il.com>
CC:	Richard Zhao <richard.zhao@...aro.org>, <patches@...aro.org>,
	<netdev@...r.kernel.org>, <jgq516@...il.com>,
	<eric.miao@...aro.org>, <shawn.guo@...aro.org>,
	<davem@...emloft.net>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/1] net/fec: add KSZ9021RN phy fixup

On Mon, Dec 12, 2011 at 10:56:48AM -0200, Fabio Estevam wrote:
> On Mon, Dec 12, 2011 at 8:09 AM, Richard Zhao <richard.zhao@...aro.org> wrote:
> > For imx6q sabrelite board, set phy RGMII pad skew.
> >
> > Signed-off-by: Richard Zhao <richard.zhao@...aro.org>
> > ---
> >  drivers/net/ethernet/freescale/fec.c |   19 +++++++++++++++++++
> >  1 files changed, 19 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
> > index 112af9b..d3b4463 100644
> > --- a/drivers/net/ethernet/freescale/fec.c
> > +++ b/drivers/net/ethernet/freescale/fec.c
> > @@ -1513,6 +1513,21 @@ static inline void fec_reset_phy(struct platform_device *pdev)
> >  }
> >  #endif /* CONFIG_OF */
> >
> > +/* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */
> > +static int ksz9021rn_phy_fixup(struct phy_device *phydev)
> > +{
> > +       /* min rx data delay */
> > +       phy_write(phydev, 0x0b, 0x8105);
> > +       phy_write(phydev, 0x0c, 0x0000);
> > +
> > +       /* max rx/tx clock delay, min rx/tx control delay */
> > +       phy_write(phydev, 0x0b, 0x8104);
> > +       phy_write(phydev, 0x0c, 0xf0f0);
> > +       phy_write(phydev, 0x0b, 0x104);
> > +
> > +       return 0;
> 
> This should go to drivers/net/phy/micrel.c.
Why? It's specific to fec.

Thanks
Richard
> 
> Regards,
> 
> Fabio Estevam
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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