Re: [PATCH net-next 1/2] amd-xgbe: Simplify powerdown/powerup paths
From: kernel test robot
Date: Fri Mar 06 2026 - 20:24:48 EST
Hi Raju,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Raju-Rangoju/amd-xgbe-Simplify-powerdown-powerup-paths/20260306-202410
base: net-next/main
patch link: https://lore.kernel.org/r/20260306121047.1231755-2-Raju.Rangoju%40amd.com
patch subject: [PATCH net-next 1/2] amd-xgbe: Simplify powerdown/powerup paths
config: sparc-randconfig-001-20260307 (https://download.01.org/0day-ci/archive/20260307/202603070918.CSq5IR0g-lkp@xxxxxxxxx/config)
compiler: sparc-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260307/202603070918.CSq5IR0g-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/202603070918.CSq5IR0g-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> drivers/net/ethernet/amd/xgbe/xgbe-pci.c:379:12: warning: 'xgbe_pci_resume' defined but not used [-Wunused-function]
379 | static int xgbe_pci_resume(struct device *dev)
| ^~~~~~~~~~~~~~~
>> drivers/net/ethernet/amd/xgbe/xgbe-pci.c:363:12: warning: 'xgbe_pci_suspend' defined but not used [-Wunused-function]
363 | static int xgbe_pci_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~
vim +/xgbe_pci_resume +379 drivers/net/ethernet/amd/xgbe/xgbe-pci.c
362
> 363 static int xgbe_pci_suspend(struct device *dev)
364 {
365 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
366 struct net_device *netdev = pdata->netdev;
367 int ret = 0;
368
369 if (netif_running(netdev))
370 ret = xgbe_powerdown(netdev);
371
372 pdata->lpm_ctrl = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1);
373 pdata->lpm_ctrl |= MDIO_CTRL1_LPOWER;
374 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
375
376 return ret;
377 }
378
> 379 static int xgbe_pci_resume(struct device *dev)
380 {
381 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
382 struct net_device *netdev = pdata->netdev;
383 int ret = 0;
384
385 XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
386
387 pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER;
388 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
389
390 if (netif_running(netdev)) {
391 ret = xgbe_powerup(netdev);
392
393 /* Schedule a restart in case the link or phy state changed
394 * while we were powered down.
395 */
396 schedule_work(&pdata->restart_work);
397 }
398
399 return ret;
400 }
401
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki