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net: dsa: use ports list to find a port by node 

Use the new ports list instead of iterating over switches and their
ports to find a port from a given node.

Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
Vivien Didelot 2019-10-21 16:51:21 -04:00 committed by Jakub Kicinski
parent 86bfb2c1f4
commit 764b7e6242
1 changed files with 3 additions and 14 deletions
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17
net/dsa/dsa2.c
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@ -113,22 +113,11 @@ static bool dsa_port_is_user(struct dsa_port *dp)
static struct dsa_port *dsa_tree_find_port_by_node(struct dsa_switch_tree *dst,
struct device_node *dn)
{
struct dsa_switch *ds;
struct dsa_port *dp;
int device, port;
for (device = 0; device < DSA_MAX_SWITCHES; device++) {
ds = dst->ds[device];
if (!ds)
continue;
for (port = 0; port < ds->num_ports; port++) {
dp = &ds->ports[port];
if (dp->dn == dn)
return dp;
}
}
list_for_each_entry(dp, &dst->ports, list)
if (dp->dn == dn)
return dp;
return NULL;
}