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| author | Dave Airlie <airlied@redhat.com> | 2022-02-28 14:57:14 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-02-28 14:57:14 +1000 |
| commit | 6c64ae228f0826859c56711ce133aff037d6205f (patch) | |
| tree | 831f7b3c5a4eb3a5ab932edb6ca27780a316e714 /drivers/net/dsa/microchip/ksz_common.c | |
| parent | 6d09e5cbc9633fa4df88544952614e9137d274af (diff) | |
| parent | 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3 (diff) | |
| download | linux-6c64ae228f0826859c56711ce133aff037d6205f.tar.gz linux-6c64ae228f0826859c56711ce133aff037d6205f.tar.bz2 linux-6c64ae228f0826859c56711ce133aff037d6205f.zip | |
Backmerge tag 'v5.17-rc6' into drm-next
This backmerges v5.17-rc6 so I can merge some amdgpu and some tegra changes on top.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 55dbda04ea62..243f8ad6d06e 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -26,7 +26,7 @@ void ksz_update_port_member(struct ksz_device *dev, int port) struct dsa_switch *ds = dev->ds; u8 port_member = 0, cpu_port; const struct dsa_port *dp; - int i; + int i, j; if (!dsa_is_user_port(ds, port)) return; @@ -45,13 +45,33 @@ void ksz_update_port_member(struct ksz_device *dev, int port) continue; if (!dsa_port_bridge_same(dp, other_dp)) continue; + if (other_p->stp_state != BR_STATE_FORWARDING) + continue; - if (other_p->stp_state == BR_STATE_FORWARDING && - p->stp_state == BR_STATE_FORWARDING) { + if (p->stp_state == BR_STATE_FORWARDING) { val |= BIT(port); port_member |= BIT(i); } + /* Retain port [i]'s relationship to other ports than [port] */ + for (j = 0; j < ds->num_ports; j++) { + const struct dsa_port *third_dp; + struct ksz_port *third_p; + + if (j == i) + continue; + if (j == port) + continue; + if (!dsa_is_user_port(ds, j)) + continue; + third_p = &dev->ports[j]; + if (third_p->stp_state != BR_STATE_FORWARDING) + continue; + third_dp = dsa_to_port(ds, j); + if (dsa_port_bridge_same(other_dp, third_dp)) + val |= BIT(j); + } + dev->dev_ops->cfg_port_member(dev, i, val | cpu_port); } |