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authorFrank Wunderlich <frank-w@public-files.de>2022-06-10 19:05:38 +0200
committerJakub Kicinski <kuba@kernel.org>2022-06-14 22:35:16 -0700
commit6e19bc26cccdd34739b8c42aba2758777d18b211 (patch)
tree6db61a694a040edc6f2d1e1dcf3ad6150e775142 /drivers/net/dsa/mt7530.c
parenta9c317417c27f28e10031133c6cba2441c670ebc (diff)
net: dsa: mt7530: rework mt753[01]_setup
Enumerate available cpu-ports instead of using hardcoded constant. Suggested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mt7530.c')
-rw-r--r--drivers/net/dsa/mt7530.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index c1922eaba67a..9c14e46692ee 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2092,11 +2092,12 @@ static int
mt7530_setup(struct dsa_switch *ds)
{
struct mt7530_priv *priv = ds->priv;
+ struct device_node *dn = NULL;
struct device_node *phy_node;
struct device_node *mac_np;
struct mt7530_dummy_poll p;
phy_interface_t interface;
- struct device_node *dn;
+ struct dsa_port *cpu_dp;
u32 id, val;
int ret, i;
@@ -2104,7 +2105,19 @@ mt7530_setup(struct dsa_switch *ds)
* controller also is the container for two GMACs nodes representing
* as two netdev instances.
*/
- dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent;
+ dsa_switch_for_each_cpu_port(cpu_dp, ds) {
+ dn = cpu_dp->master->dev.of_node->parent;
+ /* It doesn't matter which CPU port is found first,
+ * their masters should share the same parent OF node
+ */
+ break;
+ }
+
+ if (!dn) {
+ dev_err(ds->dev, "parent OF node of DSA master not found");
+ return -EINVAL;
+ }
+
ds->assisted_learning_on_cpu_port = true;
ds->mtu_enforcement_ingress = true;
@@ -2266,6 +2279,7 @@ mt7531_setup(struct dsa_switch *ds)
{
struct mt7530_priv *priv = ds->priv;
struct mt7530_dummy_poll p;
+ struct dsa_port *cpu_dp;
u32 val, id;
int ret, i;
@@ -2338,8 +2352,11 @@ mt7531_setup(struct dsa_switch *ds)
CORE_PLL_GROUP4, val);
/* BPDU to CPU port */
- mt7530_rmw(priv, MT7531_CFC, MT7531_CPU_PMAP_MASK,
- BIT(MT7530_CPU_PORT));
+ dsa_switch_for_each_cpu_port(cpu_dp, ds) {
+ mt7530_rmw(priv, MT7531_CFC, MT7531_CPU_PMAP_MASK,
+ BIT(cpu_dp->index));
+ break;
+ }
mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
MT753X_BPDU_CPU_ONLY);