[net-next PATCH 09/13] net: dsa: qca8k: check rgmii also on port 6 if exchanged
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: 2021-10-06 22:37:19
Also in:
linux-devicetree, lkml
Subsystem:
networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
Port 0 can be exchanged with port6. Handle this special case by also checking the port6 if present. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/net/dsa/qca8k.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 3a040a3ed58e..4d4f23f7f948 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c@@ -906,7 +906,20 @@ qca8k_setup_of_rgmii_delay(struct qca8k_priv *priv) if (mode != PHY_INTERFACE_MODE_RGMII_ID && mode != PHY_INTERFACE_MODE_RGMII_RXID && mode != PHY_INTERFACE_MODE_RGMII_TXID) { - return 0; + /* Port 0 can be exchanged with port 6 */ + dp = dsa_to_port(priv->ds, 6); + if (!dp) + return 0; + + port_dn = dp->dn; + + /* Check if port 6 is set to the correct type */ + of_get_phy_mode(port_dn, &mode); + if (mode != PHY_INTERFACE_MODE_RGMII_ID && + mode != PHY_INTERFACE_MODE_RGMII_RXID && + mode != PHY_INTERFACE_MODE_RGMII_TXID) { + return 0; + } } switch (mode) {
--
2.32.0