1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
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;
|