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net: dsa: tag_8021q: create dsa_tag_8021q_{register,unregister} helpers

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In preparation of moving tag_8021q to core DSA, move all initialization
and teardown related to tag_8021q which is currently done by drivers in
2 functions called "register" and "unregister". These will gather more
functionality in future patches, which will better justify the chosen
naming scheme.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean
2021-07-19 20:14:46 +03:00
committed by David S. Miller
parent 8afbea187d
commit cedf467064
4 changed files with 52 additions and 17 deletions
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12
drivers/net/dsa/ocelot/felix.c
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@@ -425,15 +425,11 @@ static int felix_setup_tag_8021q(struct dsa_switch *ds, int cpu)
ocelot_rmw_rix(ocelot, 0, cpu_flood, ANA_PGID_PGID, PGID_MC);
ocelot_rmw_rix(ocelot, 0, cpu_flood, ANA_PGID_PGID, PGID_BC);
felix->dsa_8021q_ctx = kzalloc(sizeof(*felix->dsa_8021q_ctx),
GFP_KERNEL);
felix->dsa_8021q_ctx = dsa_tag_8021q_register(ds, &felix_tag_8021q_ops,
htons(ETH_P_8021AD));
if (!felix->dsa_8021q_ctx)
return -ENOMEM;
felix->dsa_8021q_ctx->ops = &felix_tag_8021q_ops;
felix->dsa_8021q_ctx->proto = htons(ETH_P_8021AD);
felix->dsa_8021q_ctx->ds = ds;
err = dsa_8021q_setup(felix->dsa_8021q_ctx, true);
if (err)
goto out_free_dsa_8021_ctx;
@@ -447,7 +443,7 @@ static int felix_setup_tag_8021q(struct dsa_switch *ds, int cpu)
out_teardown_dsa_8021q:
dsa_8021q_setup(felix->dsa_8021q_ctx, false);
out_free_dsa_8021_ctx:
kfree(felix->dsa_8021q_ctx);
dsa_tag_8021q_unregister(felix->dsa_8021q_ctx);
return err;
}
@@ -466,7 +462,7 @@ static void felix_teardown_tag_8021q(struct dsa_switch *ds, int cpu)
if (err)
dev_err(ds->dev, "dsa_8021q_setup returned %d", err);
kfree(felix->dsa_8021q_ctx);
dsa_tag_8021q_unregister(felix->dsa_8021q_ctx);
for (port = 0; port < ds->num_ports; port++) {
if (dsa_is_unused_port(ds, port))