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kernel: 5.10: backport qca8k cpu_port_index fix in parse_port_config 

Add cpu_port_index fix to apply settings to correct CPU port.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
This commit is contained in:
Matthew Hagan 2021-10-16 20:22:45 +01:00 committed by Hauke Mehrtens
parent f97cafdd1d
commit ae77a466e4
1 changed files with 28 additions and 0 deletions
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28
target/linux/generic/backport-5.10/798-v5.16-net-dsa-qca8k-fix-delay-applied-to-wrong-cpu-in-parse-p.patch Normal file
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@ -0,0 +1,28 @@
From 06dd34a628ae5b6a839b757e746de165d6789ca8 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Sun, 17 Oct 2021 16:56:46 +0200
Subject: net: dsa: qca8k: fix delay applied to wrong cpu in parse_port_config
Fix delay settings applied to wrong cpu in parse_port_config. The delay
values is set to the wrong index as the cpu_port_index is incremented
too early. Start the cpu_port_index to -1 so the correct value is
applied to address also the case with invalid phy mode and not available
port.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/qca8k.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -976,7 +976,7 @@ qca8k_setup_of_pws_reg(struct qca8k_priv
static int
qca8k_parse_port_config(struct qca8k_priv *priv)
{
- int port, cpu_port_index = 0, ret;
+ int port, cpu_port_index = -1, ret;
struct device_node *port_dn;
phy_interface_t mode;
struct dsa_port *dp;