Re: [PATCH net-next v2 13/13] net: renesas: rswitch: add vlan aware switching
From: kernel test robot
Date: Sun Mar 29 2026 - 16:40:25 EST
Hi Michael,
kernel test robot noticed the following build errors:
[auto build test ERROR on 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681]
url: https://github.com/intel-lab-lkp/linux/commits/Michael-Dege/net-renesas-rswitch-improve-port-change-mode-functions/20260329-154812
base: 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681
patch link: https://lore.kernel.org/r/20260327-rswitch_add_vlans-v2-13-d7f4358ca57a%40renesas.com
patch subject: [PATCH net-next v2 13/13] net: renesas: rswitch: add vlan aware switching
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260330/202603300436.ryIgiB0z-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260330/202603300436.ryIgiB0z-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603300436.ryIgiB0z-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
aarch64-linux-ld: Unexpected GOT/PLT entries detected!
aarch64-linux-ld: Unexpected run-time procedure linkages detected!
aarch64-linux-ld: drivers/net/ethernet/renesas/rswitch_l2.o: in function `rswitch_port_obj_do_add_gwca':
>> drivers/net/ethernet/renesas/rswitch_l2.c:443:(.text+0x11e0): undefined reference to `br_vlan_enabled'
aarch64-linux-ld: drivers/net/ethernet/renesas/rswitch_l2.o: in function `rswitch_port_obj_do_add':
drivers/net/ethernet/renesas/rswitch_l2.c:412:(.text+0x135c): undefined reference to `br_vlan_enabled'
>> aarch64-linux-ld: drivers/net/ethernet/renesas/rswitch_l2.c:423:(.text+0x13bc): undefined reference to `br_vlan_enabled'
vim +443 drivers/net/ethernet/renesas/rswitch_l2.c
402
403 static int rswitch_port_obj_do_add(struct net_device *ndev,
404 struct switchdev_obj_port_vlan *p_vlan)
405 {
406 struct rswitch_device *rdev = netdev_priv(ndev);
407 struct rswitch_private *priv = rdev->priv;
408 struct rswitch_etha *etha = rdev->etha;
409 int err;
410
411 /* Set Rswitch VLAN mode */
412 iowrite32(br_vlan_enabled(rdev->brdev) ? FIELD_PREP(FWGC_SVM, C_TAG) : 0,
413 priv->addr + FWGC);
414
415 err = rswitch_write_vlan_table(priv, p_vlan->vid, etha->index);
416 if (err < 0)
417 return err;
418
419 /* If the default vlan for this port has been set, don't overwrite it. */
420 if (ioread32(etha->addr + EAVCC))
421 return NOTIFY_DONE;
422
> 423 if (br_vlan_enabled(rdev->brdev))
424 rswitch_modify(priv->addr, FWPC0(etha->index), 0, FWPC0_VLANSA | FWPC0_VLANRU);
425
426 rswitch_modify(priv->addr, FWPC2(AGENT_INDEX_GWCA),
427 FIELD_PREP(FWPC2_LTWFW, BIT(etha->index)),
428 0);
429
430 return rswitch_port_set_vlan_tag(etha, p_vlan, false);
431 }
432
433 static int rswitch_port_obj_do_add_gwca(struct net_device *ndev,
434 struct rswitch_private *priv,
435 struct switchdev_obj_port_vlan *p_vlan)
436 {
437 int err;
438
439 if (!(p_vlan->flags & BRIDGE_VLAN_INFO_BRENTRY))
440 return NOTIFY_DONE;
441
442 /* Set Rswitch VLAN mode */
> 443 iowrite32(br_vlan_enabled(ndev) ? FIELD_PREP(FWGC_SVM, C_TAG) : 0, priv->addr + FWGC);
444
445 err = rswitch_write_vlan_table(priv, p_vlan->vid, AGENT_INDEX_GWCA);
446 if (err < 0)
447 return err;
448
449 /* If the default vlan for this port has been set, don't overwrite it. */
450 if (ioread32(priv->addr + GWVCC))
451 return NOTIFY_DONE;
452
453 return rswitch_gwca_set_vlan_tag(priv, p_vlan, false);
454 }
455
--
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https://github.com/intel/lkp-tests/wiki