diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/610-v5.13-41-net-ethernet-mtk_eth_soc-reduce-MDIO-bus-access-late.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/610-v5.13-41-net-ethernet-mtk_eth_soc-reduce-MDIO-bus-access-late.patch | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/target/linux/generic/backport-5.10/610-v5.13-41-net-ethernet-mtk_eth_soc-reduce-MDIO-bus-access-late.patch b/target/linux/generic/backport-5.10/610-v5.13-41-net-ethernet-mtk_eth_soc-reduce-MDIO-bus-access-late.patch deleted file mode 100644 index 7ebc3fa903..0000000000 --- a/target/linux/generic/backport-5.10/610-v5.13-41-net-ethernet-mtk_eth_soc-reduce-MDIO-bus-access-late.patch +++ /dev/null @@ -1,30 +0,0 @@ -From 3630d519d7c3eab92567658690e44ffe0517d109 Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@nbd.name> -Date: Thu, 22 Apr 2021 22:20:58 -0700 -Subject: [PATCH] net: ethernet: mtk_eth_soc: reduce MDIO bus access latency - -usleep_range often ends up sleeping much longer than the 10-20us provided -as a range here. This causes significant latency in mdio bus acceses, -which easily adds multiple seconds to the boot time on MT7621 when polling -DSA slave ports. -Use cond_resched instead of usleep_range, since the MDIO access does not -take much time - -Signed-off-by: Felix Fietkau <nbd@nbd.name> -Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -86,7 +86,7 @@ static int mtk_mdio_busy_wait(struct mtk - return 0; - if (time_after(jiffies, t_start + PHY_IAC_TIMEOUT)) - break; -- usleep_range(10, 20); -+ cond_resched(); - } - - dev_err(eth->dev, "mdio: MDIO timeout\n"); |