diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch b/target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch new file mode 100644 index 0000000000..de49dacd5f --- /dev/null +++ b/target/linux/mediatek/patches-4.14/0063-atomic-sleep.patch @@ -0,0 +1,48 @@ +Index: linux-4.14.12/drivers/net/ethernet/mediatek/mtk_eth_soc.c +=================================================================== +--- linux-4.14.12.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ linux-4.14.12/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); |