target/linux/layerscape/patches-5.4/701-net-0037-Added-MII-IOCTL-support-for-SIOCGMIIREG.patch

   1 From 7f87217ebf1ca84ad63d995d88eda45341273fad Mon Sep 17 00:00:00 2001
   2 From: Vicentiu Galanopulo <vicentiu.galanopulo@nxp.com>
   3 Date: Tue, 7 Nov 2017 16:15:03 +0200
   4 Subject: [PATCH] Added MII IOCTL support for SIOCGMIIREG
   5
   6 Signed-off-by: Vicentiu Galanopulo <vicentiu.galanopulo@nxp.com>
   7 ---
   8  drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c | 12 ++++++++----
   9  1 file changed, 8 insertions(+), 4 deletions(-)
  10
  11 --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
  12 +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.c
  13 @@ -444,14 +444,18 @@ int dpa_ioctl(struct net_device *dev, st
  14  #ifdef CONFIG_FSL_DPAA_1588
  15         struct dpa_priv_s *priv = netdev_priv(dev);
  16  #endif
  17 -       int ret = 0;
  18 +       int ret = -EINVAL;
  19
  20 -       /* at least one timestamping feature must be enabled */
  21 -#ifdef CONFIG_FSL_DPAA_TS
  22         if (!netif_running(dev))
  23 -#endif
  24                 return -EINVAL;
  25
  26 +       if (cmd == SIOCGMIIREG) {
  27 +               if (!dev->phydev)
  28 +                       ret = -EINVAL;
  29 +               else
  30 +                       ret = phy_mii_ioctl(dev->phydev, rq, cmd);
  31 +       }
  32 +
  33  #ifdef CONFIG_FSL_DPAA_TS
  34         if (cmd == SIOCSHWTSTAMP)
  35                 return dpa_ts_ioctl(dev, rq, cmd);