netdev - RE: [PATCH] net/phy: micrel: Add OF configuration support

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Message-ID: <9848F2DB572E5649BA045B288BE08FBE015E3F06@039-SN2MPN1-023.039d.mgd.msft.net>
Date:	Thu, 1 Aug 2013 05:31:48 +0000
From:	Duan Fugang-B38611 <B38611@...escale.com>
To:	Sean Cross <xobs@...agi.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
CC:	David Miller <davem@...emloft.net>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: RE: [PATCH] net/phy: micrel: Add OF configuration support

On Thu, Aug 01, 2013 at 12:17 PM, Sean Cross wrote:

> +/* Write/read to/from extended registers */
> +#define MII_KSZPHY_EXTREG                       0x0b
> +#define KSZPHY_EXTREG_WRITE                     0x8000
> +
> +#define MII_KSZPHY_EXTREG_WRITE                 0x0c
> +#define MII_KSZPHY_EXTREG_READ                  0x0d
> +
> +/* Write/read to/from extended registers */
> +#define MII_KSZPHY_EXTREG                       0x0b
> +#define KSZPHY_EXTREG_WRITE                     0x8000
> +
> +#define MII_KSZPHY_EXTREG_WRITE                 0x0c
> +#define MII_KSZPHY_EXTREG_READ                  0x0d
> +

Pls don't re-define the registers address and field.

> +		if (!of_property_read_u32(of_node,
> +					  "micrel,clk-control-pad-skew",
> +					  &val))
> +			kszphy_extended_write(phydev,
> +					      MII_KSZPHY_CLK_CONTROL_PAD_SKEW,
> +					      val);

When re-set rx/tx clock delay, rx/tx control delay, it is better to do dummy read the extended MII_KSZPHY_CLK_CONTROL_PAD_SKEW register one time.

Thanks,
Andy


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