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authorRussell King <rmk+kernel@armlinux.org.uk>2019-11-21 03:36:22 +0300
committerJakub Kicinski <jakub.kicinski@netronome.com>2019-11-24 03:13:39 +0300
commitd46b7e4fb06037a61415f5b6964fcf632ee1dc34 (patch)
treed841ff4cec5acfc14f0517b409b055d279895832 /net/dsa
parentab818362c9054beb950b97a09ce7b0d56f5a32a1 (diff)
downloadlinux-d46b7e4fb06037a61415f5b6964fcf632ee1dc34.tar.xz
net: phylink: rename mac_link_state() op to mac_pcs_get_state()
Rename the mac_link_state() method to mac_pcs_get_state() to make it clear that it should be returning the MACs PCS current state, which is used for inband negotiation rather than just reading back what the MAC has been configured for. Update the documentation to explicitly mention that this is for inband. We drop the return value as well; most of phylink doesn't check the return value and it is not clear what it should do on error - instead arrange for state->link to be false. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa_priv.h4
-rw-r--r--net/dsa/port.c19
2 files changed, 13 insertions, 10 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 53e7577896b6..2dd86d9bcda9 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -153,8 +153,8 @@ void dsa_port_link_unregister_of(struct dsa_port *dp);
void dsa_port_phylink_validate(struct phylink_config *config,
unsigned long *supported,
struct phylink_link_state *state);
-int dsa_port_phylink_mac_link_state(struct phylink_config *config,
- struct phylink_link_state *state);
+void dsa_port_phylink_mac_pcs_get_state(struct phylink_config *config,
+ struct phylink_link_state *state);
void dsa_port_phylink_mac_config(struct phylink_config *config,
unsigned int mode,
const struct phylink_link_state *state);
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 6e93c36bf0c0..46ac9ba21987 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -429,19 +429,22 @@ void dsa_port_phylink_validate(struct phylink_config *config,
}
EXPORT_SYMBOL_GPL(dsa_port_phylink_validate);
-int dsa_port_phylink_mac_link_state(struct phylink_config *config,
- struct phylink_link_state *state)
+void dsa_port_phylink_mac_pcs_get_state(struct phylink_config *config,
+ struct phylink_link_state *state)
{
struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
struct dsa_switch *ds = dp->ds;
- /* Only called for SGMII and 802.3z */
- if (!ds->ops->phylink_mac_link_state)
- return -EOPNOTSUPP;
+ /* Only called for inband modes */
+ if (!ds->ops->phylink_mac_link_state) {
+ state->link = 0;
+ return;
+ }
- return ds->ops->phylink_mac_link_state(ds, dp->index, state);
+ if (ds->ops->phylink_mac_link_state(ds, dp->index, state) < 0)
+ state->link = 0;
}
-EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_state);
+EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_pcs_get_state);
void dsa_port_phylink_mac_config(struct phylink_config *config,
unsigned int mode,
@@ -510,7 +513,7 @@ EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_link_up);
const struct phylink_mac_ops dsa_port_phylink_mac_ops = {
.validate = dsa_port_phylink_validate,
- .mac_link_state = dsa_port_phylink_mac_link_state,
+ .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,
.mac_link_down = dsa_port_phylink_mac_link_down,