openwrt/target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch

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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -409,6 +409,7 @@ static int mtk_mdio_init(struct mtk_eth
snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
ret = of_mdiobus_register(eth->mii_bus, mii_np);
+printk("%s:%s[%d]%d %p\n", __FILE__, __func__, __LINE__, ret, eth->mii_bus);
err_put_node:
of_node_put(mii_np);
@@ -1472,7 +1473,10 @@ static void mtk_hwlro_rx_uninit(struct m
for (i = 0; i < 10; i++) {
val = mtk_r32(eth, MTK_PDMA_LRO_CTRL_DW0);
if (val & MTK_LRO_RING_RELINQUISH_DONE) {
- msleep(20);
+ if (in_atomic())
+ mdelay(20);
+ else
+ msleep(20);
continue;
}
break;
@@ -1868,7 +1872,10 @@ static void mtk_stop_dma(struct mtk_eth
for (i = 0; i < 10; i++) {
val = mtk_r32(eth, glo_cfg);
if (val & (MTK_TX_DMA_BUSY | MTK_RX_DMA_BUSY)) {
- msleep(20);
+ if (in_atomic())
+ mdelay(20);
+ else
+ msleep(20);
continue;
}
break;
@@ -1906,7 +1913,10 @@ static void ethsys_reset(struct mtk_eth
reset_bits,
reset_bits);
- usleep_range(1000, 1100);
+ if (in_atomic())
+ udelay(1000);
+ else
+ usleep_range(1000, 1100);
regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL,
reset_bits,
~reset_bits);