target/linux/mediatek/patches-4.9/0062-mdio-atomic.patch

   1 Index: linux-4.9.47/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   2 ===================================================================
   3 --- linux-4.9.47.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   4 +++ linux-4.9.47/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   5 @@ -97,7 +97,10 @@ static int mtk_mdio_busy_wait(struct mtk
   6                         return 0;
   7                 if (time_after(jiffies, t_start + PHY_IAC_TIMEOUT))
   8                         break;
   9 -               usleep_range(10, 20);
  10 +               if (in_atomic())
  11 +                       udelay(10);
  12 +               else
  13 +                       usleep_range(10, 20);
  14         }
  15
  16         dev_err(eth->dev, "mdio: MDIO timeout\n");