target/linux/mediatek/patches-4.9/0063-atomic-sleep.patch

   1 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   2 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
   3 @@ -1533,7 +1533,10 @@ static void mtk_hwlro_rx_uninit(struct m
   4         for (i = 0; i < 10; i++) {
   5                 val = mtk_r32(eth, MTK_PDMA_LRO_CTRL_DW0);
   6                 if (val & MTK_LRO_RING_RELINQUISH_DONE) {
   7 -                       msleep(20);
   8 +                       if (in_atomic())
   9 +                               mdelay(20);
  10 +                       else
  11 +                               msleep(20);
  12                         continue;
  13                 }
  14                 break;
  15 @@ -1951,7 +1954,10 @@ static void mtk_stop_dma(struct mtk_eth
  16         for (i = 0; i < 10; i++) {
  17                 val = mtk_r32(eth, glo_cfg);
  18                 if (val & (MTK_TX_DMA_BUSY | MTK_RX_DMA_BUSY)) {
  19 -                       msleep(20);
  20 +                       if (in_atomic())
  21 +                               mdelay(20);
  22 +                       else
  23 +                               msleep(20);
  24                         continue;
  25                 }
  26                 break;
  27 @@ -1996,7 +2002,10 @@ static void ethsys_reset(struct mtk_eth
  28                            reset_bits,
  29                            reset_bits);
  30
  31 -       usleep_range(1000, 1100);
  32 +       if (in_atomic())
  33 +               udelay(1000);
  34 +       else
  35 +               usleep_range(1000, 1100);
  36         regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL,
  37                            reset_bits,
  38                            ~reset_bits);