Re: [U-Boot] [PATCH] UEC PHY: Speed up initial PHY neg.

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 TjernlundJoakim.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