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net: dsa: bcm_sf2: Defer port enabling to calling port_enable

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There is no need to configure the enabled ports once in bcm_sf2_sw_setup() and
then a second time around when dsa_switch_ops::port_enable is called, just do
it when port_enable is called which is better in terms of power consumption and
correctness.

Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2017-09-19 10:46:46 -07:00 committed by David S. Miller
parent 34c8befd13
commit e85ec74ace
1 changed files with 3 additions and 6 deletions
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9
drivers/net/dsa/bcm_sf2.c
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@ -890,14 +890,11 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds)
struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
unsigned int port; unsigned int port;
/* Enable all valid ports and disable those unused */ /* Disable unused ports and configure IMP port */
for (port = 0; port < priv->hw_params.num_ports; port++) { for (port = 0; port < priv->hw_params.num_ports; port++) {
/* IMP port receives special treatment */ if (dsa_is_cpu_port(ds, port))
if ((1 << port) & ds->enabled_port_mask)
bcm_sf2_port_setup(ds, port, NULL);
else if (dsa_is_cpu_port(ds, port))
bcm_sf2_imp_setup(ds, port); bcm_sf2_imp_setup(ds, port);
else else if (!((1 << port) & ds->enabled_port_mask))
bcm_sf2_port_disable(ds, port, NULL); bcm_sf2_port_disable(ds, port, NULL);
} }