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From: Ben Warren <biggerbadderben@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] UEC PHY: Speed up initial PHY neg.
Date: Sun, 12 Sep 2010 21:18:48 -0700	[thread overview]
Message-ID: <4C8DA628.3080708@gmail.com> (raw)
In-Reply-To: <1281451009-26015-1-git-send-email-Joakim.Tjernlund@transmode.se>

  Hi Jocke,

On 8/10/2010 7:36 AM, Joakim Tjernlund wrote:
> Instead of always performing an autoneg, check if the PHY
> already has a link and if it matches one of the requested
> modes. Initially only 100MbFD is optimized this way.
>
> Signed-off-by: Joakim Tjernlund<Joakim.Tjernlund@transmode.se>
> ---
>   drivers/qe/uec_phy.c |    9 +++++++++
>   1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/qe/uec_phy.c b/drivers/qe/uec_phy.c
> index 3baffe4..5237960 100644
> --- a/drivers/qe/uec_phy.c
> +++ b/drivers/qe/uec_phy.c
> @@ -351,6 +351,15 @@ static int marvell_config_aneg (struct uec_mii_info *mii_info)
>   static int genmii_config_aneg (struct uec_mii_info *mii_info)
>   {
>   	if (mii_info->autoneg) {
> +		/* Speed up the common case, if link is already up, speed and
> +		   duplex match, skip auto neg as it already matches */
> +		if (!genmii_read_status(mii_info)&&  mii_info->link)
> +			if (mii_info->duplex == DUPLEX_FULL&&
> +			    mii_info->speed == SPEED_100)
> +				if (mii_info->advertising&
> +				    ADVERTISED_100baseT_Full)
> +					return 0;
> +
>   		config_genmii_advert (mii_info);
>   		genmii_restart_aneg (mii_info);
>   	} else
Applied to net/next

regards,
Ben

      parent reply	other threads:[~2010-09-13  4:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-10 14:36 [U-Boot] [PATCH] UEC PHY: Speed up initial PHY neg Joakim Tjernlund
2010-08-10 20:23 ` Mike Frysinger
2010-08-11  6:20   ` Joakim Tjernlund
2010-08-12 12:58 ` Detlev Zundel
2010-08-12 14:09   ` Joakim Tjernlund
2010-08-13  8:20     ` Detlev Zundel
2010-08-13 13:18       ` Joakim Tjernlund
2010-08-23  7:08       ` Ben Warren
2010-08-23  7:53         ` Joakim Tjernlund
2010-08-23 14:12           ` Ben Warren
2010-08-23 14:53             ` Joakim Tjernlund
2010-08-23 15:19         ` [U-Boot] Start/stop of network devices (was: Re: [PATCH] UEC PHY: Speed up initial PHY neg.) Detlev Zundel
2010-08-24 18:35           ` Joakim Tjernlund
2010-09-13  4:18 ` Ben Warren [this message]

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