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net: phylink: add debug for phylink_major_config()

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Now that we have a more complexity in phylink_major_config(), augment
the debugging so we can see what's going on there.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tIUrZ-006ITt-Fa@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2024-12-03 15:30:57 +00:00 committed by Jakub Kicinski
parent 1f92ead7e1
commit 4e7d000286
1 changed files with 26 additions and 1 deletions
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27
drivers/net/phy/phylink.c
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@ -175,6 +175,24 @@ static const char *phylink_an_mode_str(unsigned int mode)
return mode < ARRAY_SIZE(modestr) ? modestr[mode] : "unknown";
}
static const char *phylink_pcs_mode_str(unsigned int mode)
{
if (!mode)
return "none";
if (mode & PHYLINK_PCS_NEG_OUTBAND)
return "outband";
if (mode & PHYLINK_PCS_NEG_INBAND) {
if (mode & PHYLINK_PCS_NEG_ENABLED)
return "inband,an-enabled";
else
return "inband,an-disabled";
}
return "unknown";
}
static unsigned int phylink_interface_signal_rate(phy_interface_t interface)
{
switch (interface) {
@ -1164,7 +1182,9 @@ static void phylink_major_config(struct phylink *pl, bool restart,
unsigned int neg_mode;
int err;
phylink_dbg(pl, "major config %s\n", phy_modes(state->interface));
phylink_dbg(pl, "major config, requested %s/%s\n",
phylink_an_mode_str(pl->req_link_an_mode),
phy_modes(state->interface));
if (pl->mac_ops->mac_select_pcs) {
pcs = pl->mac_ops->mac_select_pcs(pl->config, state->interface);
@ -1180,6 +1200,11 @@ static void phylink_major_config(struct phylink *pl, bool restart,
phylink_pcs_neg_mode(pl, pcs, state->interface, state->advertising);
phylink_dbg(pl, "major config, active %s/%s/%s\n",
phylink_an_mode_str(pl->act_link_an_mode),
phylink_pcs_mode_str(pl->pcs_neg_mode),
phy_modes(state->interface));
phylink_pcs_poll_stop(pl);
if (pl->mac_ops->mac_prepare) {