diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.9/0094-net-affinity.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.9/0094-net-affinity.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.9/0094-net-affinity.patch b/target/linux/mediatek/patches-4.9/0094-net-affinity.patch new file mode 100644 index 0000000000..8e51bdd623 --- /dev/null +++ b/target/linux/mediatek/patches-4.9/0094-net-affinity.patch @@ -0,0 +1,40 @@ +Index: linux-4.9.17/drivers/net/ethernet/mediatek/mtk_eth_soc.c +=================================================================== +--- linux-4.9.17.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ linux-4.9.17/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -2459,15 +2459,23 @@ static int mtk_probe(struct platform_dev + goto err_deinit_hw; + } + ++ for (i = 0; i < 3; i++) { ++ int cpu = i % num_online_cpus(); ++ ++ cpumask_set_cpu(cpu, ð->affinity_mask[i]); ++ } ++ + err = devm_request_irq(eth->dev, eth->irq[1], mtk_handle_irq_tx, 0, + dev_name(eth->dev), eth); + if (err) + goto err_free_dev; ++ irq_set_affinity_hint(eth->irq[1], ð->affinity_mask[1]); + + err = devm_request_irq(eth->dev, eth->irq[2], mtk_handle_irq_rx, 0, + dev_name(eth->dev), eth); + if (err) + goto err_free_dev; ++ irq_set_affinity_hint(eth->irq[2], ð->affinity_mask[2]); + + err = mtk_mdio_init(eth); + if (err) +Index: linux-4.9.17/drivers/net/ethernet/mediatek/mtk_eth_soc.h +=================================================================== +--- linux-4.9.17.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ linux-4.9.17/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -539,6 +539,7 @@ struct mtk_eth { + struct net_device *netdev[MTK_MAX_DEVS]; + struct mtk_mac *mac[MTK_MAX_DEVS]; + int irq[3]; ++ cpumask_t affinity_mask[3]; + u32 msg_enable; + unsigned long sysclk; + struct regmap *ethsys; |