queue-4.19/net-phy-dp83867-set-up-rgmii-tx-delay.patch

   1 From 4873fe40194cf6f9748e16e7edfe12463735a7d8 Mon Sep 17 00:00:00 2001
   2 From: Max Uvarov <muvarov@gmail.com>
   3 Date: Tue, 28 May 2019 13:00:52 +0300
   4 Subject: net: phy: dp83867: Set up RGMII TX delay
   5
   6 [ Upstream commit 2b892649254fec01678c64f16427622b41fa27f4 ]
   7
   8 PHY_INTERFACE_MODE_RGMII_RXID is less then TXID
   9 so code to set tx delay is never called.
  10
  11 Fixes: 2a10154abcb75 ("net: phy: dp83867: Add TI dp83867 phy")
  12 Signed-off-by: Max Uvarov <muvarov@gmail.com>
  13 Cc: Florian Fainelli <f.fainelli@gmail.com>
  14 Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
  15 Signed-off-by: David S. Miller <davem@davemloft.net>
  16 Signed-off-by: Sasha Levin <sashal@kernel.org>
  17 ---
  18  drivers/net/phy/dp83867.c | 4 +---
  19  1 file changed, 1 insertion(+), 3 deletions(-)
  20
  21 diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
  22 index b3935778b19f..e4bf9e7d7583 100644
  23 --- a/drivers/net/phy/dp83867.c
  24 +++ b/drivers/net/phy/dp83867.c
  25 @@ -260,10 +260,8 @@ static int dp83867_config_init(struct phy_device *phydev)
  26                 ret = phy_write(phydev, MII_DP83867_PHYCTRL, val);
  27                 if (ret)
  28                         return ret;
  29 -       }
  30
  31 -       if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) &&
  32 -           (phydev->interface <= PHY_INTERFACE_MODE_RGMII_RXID)) {
  33 +               /* Set up RGMII delays */
  34                 val = phy_read_mmd(phydev, DP83867_DEVADDR, DP83867_RGMIICTL);
  35
  36                 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
  37 --
  38 2.20.1
  39