[U-Boot] [PATCH] UEC PHY: Speed up initial PHY neg.
Ben Warren
biggerbadderben at gmail.com
Mon Sep 13 06:18:48 CEST 2010
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 at 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
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