76 lines
2.3 KiB
Diff
76 lines
2.3 KiB
Diff
From 1f0dfd443eea7fc3e818e96f7c8264913ba41859 Mon Sep 17 00:00:00 2001
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From: Frank Wunderlich <frank-w@public-files.de>
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Date: Fri, 10 Jun 2022 19:05:38 +0200
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Subject: [PATCH 12/13] net: dsa: mt7530: rework mt753[01]_setup
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Enumerate available cpu-ports instead of using hardcoded constant.
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Suggested-by: Vladimir Oltean <olteanv@gmail.com>
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/dsa/mt7530.c | 25 +++++++++++++++++++++----
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1 file changed, 21 insertions(+), 4 deletions(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -2101,11 +2101,12 @@ static int
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mt7530_setup(struct dsa_switch *ds)
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{
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struct mt7530_priv *priv = ds->priv;
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+ struct device_node *dn = NULL;
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struct device_node *phy_node;
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struct device_node *mac_np;
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struct mt7530_dummy_poll p;
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phy_interface_t interface;
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- struct device_node *dn;
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+ struct dsa_port *cpu_dp;
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u32 id, val;
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int ret, i;
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@@ -2113,7 +2114,19 @@ mt7530_setup(struct dsa_switch *ds)
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* controller also is the container for two GMACs nodes representing
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* as two netdev instances.
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*/
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- dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent;
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+ dsa_switch_for_each_cpu_port(cpu_dp, ds) {
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+ dn = cpu_dp->master->dev.of_node->parent;
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+ /* It doesn't matter which CPU port is found first,
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+ * their masters should share the same parent OF node
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+ */
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+ break;
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+ }
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+
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+ if (!dn) {
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+ dev_err(ds->dev, "parent OF node of DSA master not found");
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+ return -EINVAL;
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+ }
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+
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ds->assisted_learning_on_cpu_port = true;
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ds->mtu_enforcement_ingress = true;
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@@ -2286,6 +2299,7 @@ mt7531_setup(struct dsa_switch *ds)
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{
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struct mt7530_priv *priv = ds->priv;
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struct mt7530_dummy_poll p;
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+ struct dsa_port *cpu_dp;
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u32 val, id;
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int ret, i;
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@@ -2360,8 +2374,11 @@ mt7531_setup(struct dsa_switch *ds)
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CORE_PLL_GROUP4, val);
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/* BPDU to CPU port */
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- mt7530_rmw(priv, MT7531_CFC, MT7531_CPU_PMAP_MASK,
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- BIT(MT7530_CPU_PORT));
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+ dsa_switch_for_each_cpu_port(cpu_dp, ds) {
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+ mt7530_rmw(priv, MT7531_CFC, MT7531_CPU_PMAP_MASK,
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+ BIT(cpu_dp->index));
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+ break;
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+ }
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mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
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MT753X_BPDU_CPU_ONLY);
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