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net: ag71xx: extend link validation to support other SoCs

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Most (all?) QCA SoCs have two MAC with different supported link
capabilities. Extend ag71xx_mac_validate() to properly validate this
variants.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksij Rempel 2020-04-24 06:59:14 +02:00 committed by David S. Miller
parent 3fd8dc269f
commit 0767ec0428
1 changed files with 38 additions and 5 deletions
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43
drivers/net/ethernet/atheros/ag71xx.c
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@ -871,13 +871,40 @@ static void ag71xx_mac_validate(struct phylink_config *config,
unsigned long *supported,
struct phylink_link_state *state)
{
struct ag71xx *ag = netdev_priv(to_net_dev(config->dev));
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
if (state->interface != PHY_INTERFACE_MODE_NA &&
state->interface != PHY_INTERFACE_MODE_GMII &&
state->interface != PHY_INTERFACE_MODE_MII) {
bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
return;
switch (state->interface) {
case PHY_INTERFACE_MODE_NA:
break;
case PHY_INTERFACE_MODE_MII:
if ((ag71xx_is(ag, AR9330) && ag->mac_idx == 0) ||
ag71xx_is(ag, AR9340) ||
ag71xx_is(ag, QCA9530) ||
(ag71xx_is(ag, QCA9550) && ag->mac_idx == 1))
break;
goto unsupported;
case PHY_INTERFACE_MODE_GMII:
if ((ag71xx_is(ag, AR9330) && ag->mac_idx == 1) ||
(ag71xx_is(ag, AR9340) && ag->mac_idx == 1) ||
(ag71xx_is(ag, QCA9530) && ag->mac_idx == 1))
break;
goto unsupported;
case PHY_INTERFACE_MODE_SGMII:
if (ag71xx_is(ag, QCA9550) && ag->mac_idx == 0)
break;
goto unsupported;
case PHY_INTERFACE_MODE_RMII:
if (ag71xx_is(ag, AR9340) && ag->mac_idx == 0)
break;
goto unsupported;
case PHY_INTERFACE_MODE_RGMII:
if ((ag71xx_is(ag, AR9340) && ag->mac_idx == 0) ||
(ag71xx_is(ag, QCA9550) && ag->mac_idx == 1))
break;
goto unsupported;
default:
goto unsupported;
}
phylink_set(mask, MII);
@ -889,6 +916,8 @@ static void ag71xx_mac_validate(struct phylink_config *config,
phylink_set(mask, 100baseT_Full);
if (state->interface == PHY_INTERFACE_MODE_NA ||
state->interface == PHY_INTERFACE_MODE_SGMII ||
state->interface == PHY_INTERFACE_MODE_RGMII ||
state->interface == PHY_INTERFACE_MODE_GMII) {
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseX_Full);
@ -898,6 +927,10 @@ static void ag71xx_mac_validate(struct phylink_config *config,
__ETHTOOL_LINK_MODE_MASK_NBITS);
bitmap_and(state->advertising, state->advertising, mask,
__ETHTOOL_LINK_MODE_MASK_NBITS);
return;
unsupported:
bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
}
static void ag71xx_mac_pcs_get_state(struct phylink_config *config,