openwrt/target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch
Matthew Hagan f2f42a54e8 kernel: 5.10: compress 7xx patch numbering
The qca8k patch series brings the numbering to 799. This patch renames
7xx patches to create space for more backports to be added.

Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
[rename 729->719]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-11-07 00:05:26 +01:00

32 lines
1.3 KiB
Diff

From 5bf9ff3b9fb5ecb67a1a3517b26db3a00f2a2f11 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Fri, 14 May 2021 23:00:02 +0200
Subject: [PATCH] net: dsa: qca8k: limit port5 delay to qca8337
Limit port5 rx delay to qca8337. This is taken from the legacy QSDK code
that limits the rx delay on port5 to only this particular switch version,
on other switch only the tx and rx delay for port0 are needed.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/qca8k.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1003,8 +1003,10 @@ qca8k_phylink_mac_config(struct dsa_swit
QCA8K_PORT_PAD_RGMII_EN |
QCA8K_PORT_PAD_RGMII_TX_DELAY(QCA8K_MAX_DELAY) |
QCA8K_PORT_PAD_RGMII_RX_DELAY(QCA8K_MAX_DELAY));
- qca8k_write(priv, QCA8K_REG_PORT5_PAD_CTRL,
- QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
+ /* QCA8337 requires to set rgmii rx delay */
+ if (priv->switch_id == QCA8K_ID_QCA8337)
+ qca8k_write(priv, QCA8K_REG_PORT5_PAD_CTRL,
+ QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
break;
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_1000BASEX: