diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch b/target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch new file mode 100644 index 0000000000..d25edbb1aa --- /dev/null +++ b/target/linux/generic/backport-5.10/735-v5.14-12-net-dsa-qca8k-limit-port5-delay-to-qca8337.patch @@ -0,0 +1,31 @@ +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: |