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net: dsa: add support for phylink mac_select_pcs()

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Add DSA support for the phylink mac_select_pcs() method so DSA drivers
can return provide phylink with the appropriate PCS for the PHY
interface mode.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King (Oracle) 2022-02-17 18:30:35 +00:00 committed by David S. Miller
parent 8aba73ef44
commit bde018222c
2 changed files with 18 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
include/net/dsa.h
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@ -788,6 +788,9 @@ struct dsa_switch_ops {
void (*phylink_validate)(struct dsa_switch *ds, int port,
unsigned long *supported,
struct phylink_link_state *state);
struct phylink_pcs *(*phylink_mac_select_pcs)(struct dsa_switch *ds,
int port,
phy_interface_t iface);
int (*phylink_mac_link_state)(struct dsa_switch *ds, int port,
struct phylink_link_state *state);
void (*phylink_mac_config)(struct dsa_switch *ds, int port,

15
net/dsa/port.c
View file

@ -1053,6 +1053,20 @@ static void dsa_port_phylink_mac_pcs_get_state(struct phylink_config *config,
}
}
static struct phylink_pcs *
dsa_port_phylink_mac_select_pcs(struct phylink_config *config,
phy_interface_t interface)
{
struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
struct dsa_switch *ds = dp->ds;
struct phylink_pcs *pcs = NULL;
if (ds->ops->phylink_mac_select_pcs)
pcs = ds->ops->phylink_mac_select_pcs(ds, dp->index, interface);
return pcs;
}
static void dsa_port_phylink_mac_config(struct phylink_config *config,
unsigned int mode,
const struct phylink_link_state *state)
@ -1119,6 +1133,7 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config,
static const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
.validate = dsa_port_phylink_validate,
.mac_select_pcs = dsa_port_phylink_mac_select_pcs,
.mac_pcs_get_state = dsa_port_phylink_mac_pcs_get_state,
.mac_config = dsa_port_phylink_mac_config,
.mac_an_restart = dsa_port_phylink_mac_an_restart,