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Merge branch 'net-dsa-b53-SGMII-modes-fixes'

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Florian Fainelli says:

====================
net: dsa: b53: SGMII modes fixes

Here are two additional fixes that are required in order for SGMII to
work correctly. This was discovered with using a copper SFP which would
make us use SGMII mode, we would actually leave the HW configured in its
default mode: Fiber.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-09-21 20:01:20 -07:00
commit bd4d08daeb
2 changed files with 7 additions and 5 deletions
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10
drivers/net/dsa/b53/b53_common.c
View file

@ -1172,8 +1172,9 @@ int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
struct b53_device *dev = ds->priv;
int ret = -EOPNOTSUPP;
if (phy_interface_mode_is_8023z(state->interface) &&
dev->ops->serdes_link_state)
if ((phy_interface_mode_is_8023z(state->interface) ||
state->interface == PHY_INTERFACE_MODE_SGMII) &&
dev->ops->serdes_link_state)
ret = dev->ops->serdes_link_state(dev, port, state);
return ret;
@ -1195,8 +1196,9 @@ void b53_phylink_mac_config(struct dsa_switch *ds, int port,
return;
}
if (phy_interface_mode_is_8023z(state->interface) &&
dev->ops->serdes_config)
if ((phy_interface_mode_is_8023z(state->interface) ||
state->interface == PHY_INTERFACE_MODE_SGMII) &&
dev->ops->serdes_config)
dev->ops->serdes_config(dev, port, mode, state);
}
EXPORT_SYMBOL(b53_phylink_mac_config);

2
drivers/net/dsa/b53/b53_serdes.h
View file

@ -20,7 +20,7 @@
#define SERDES_ID0_REV_LETTER_SHIFT 14
#define B53_SERDES_MII_REG(x) (0x20 + (x) * 2)
#define B53_SERDES_DIGITAL_CONTROL(x) (0x18 + (x) * 2)
#define B53_SERDES_DIGITAL_CONTROL(x) (0x1e + (x) * 2)
#define B53_SERDES_DIGITAL_STATUS 0x28
/* SERDES_DIGITAL_CONTROL1 */