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Subject[PATCH net-next 08/16] net: dsa: use ports list to setup multiple master devices
Date
Now that we have a potential list of CPU ports, make use of it instead
of only configuring the master device of an unique CPU port.

Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
---
net/dsa/dsa2.c | 22 +++++++++++++++-------
1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 8b038cc56769..3b8de155bc0b 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -501,19 +501,27 @@ static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst)

static int dsa_tree_setup_master(struct dsa_switch_tree *dst)
{
- struct dsa_port *cpu_dp = dst->cpu_dp;
- struct net_device *master = cpu_dp->master;
+ struct dsa_port *dp;
+ int err;

- /* DSA currently supports a single pair of CPU port and master device */
- return dsa_master_setup(master, cpu_dp);
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (dsa_port_is_cpu(dp)) {
+ err = dsa_master_setup(dp->master, dp);
+ if (err)
+ return err;
+ }
+ }
+
+ return 0;
}

static void dsa_tree_teardown_master(struct dsa_switch_tree *dst)
{
- struct dsa_port *cpu_dp = dst->cpu_dp;
- struct net_device *master = cpu_dp->master;
+ struct dsa_port *dp;

- return dsa_master_teardown(master);
+ list_for_each_entry(dp, &dst->ports, list)
+ if (dsa_port_is_cpu(dp))
+ dsa_master_teardown(dp->master);
}

static int dsa_tree_setup(struct dsa_switch_tree *dst)
--
2.23.0
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