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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-06 09:32:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-06 09:32:47 +0100 |
| commit | f5bced9f34355d2b12779eebdf2634cb27c18cff (patch) | |
| tree | d636906d3aeb78eecc48b6d1e5d0b44b58cd8016 /drivers/net/dsa/qca8k.c | |
| parent | 13a5fad39a7b781c21d9528bcf52a5f5babafe99 (diff) | |
| parent | 0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 (diff) | |
| download | linux-f5bced9f34355d2b12779eebdf2634cb27c18cff.tar.gz linux-f5bced9f34355d2b12779eebdf2634cb27c18cff.tar.bz2 linux-f5bced9f34355d2b12779eebdf2634cb27c18cff.zip | |
Merge 5.16-rc4 into tty-next
We need the tty/serial driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/dsa/qca8k.c')
| -rw-r--r-- | drivers/net/dsa/qca8k.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index a429c9750add..147ca39531a3 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -1256,8 +1256,12 @@ qca8k_setup(struct dsa_switch *ds) /* Set initial MTU for every port. * We have only have a general MTU setting. So track * every port and set the max across all port. + * Set per port MTU to 1500 as the MTU change function + * will add the overhead and if its set to 1518 then it + * will apply the overhead again and we will end up with + * MTU of 1536 instead of 1518 */ - priv->port_mtu[i] = ETH_FRAME_LEN + ETH_FCS_LEN; + priv->port_mtu[i] = ETH_DATA_LEN; } /* Special GLOBAL_FC_THRESH value are needed for ar8327 switch */ @@ -1433,6 +1437,12 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, qca8k_write(priv, QCA8K_REG_SGMII_CTRL, val); + /* From original code is reported port instability as SGMII also + * require delay set. Apply advised values here or take them from DT. + */ + if (state->interface == PHY_INTERFACE_MODE_SGMII) + qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg); + /* For qca8327/qca8328/qca8334/qca8338 sgmii is unique and * falling edge is set writing in the PORT0 PAD reg */ @@ -1455,12 +1465,6 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode, QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE, val); - /* From original code is reported port instability as SGMII also - * require delay set. Apply advised values here or take them from DT. - */ - if (state->interface == PHY_INTERFACE_MODE_SGMII) - qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg); - break; default: dev_err(ds->dev, "xMII mode %s not supported for port %d\n", |