Subject: Re: [PATCH net-next 03/14] phy: qcom-sgmii-eth: add .set_mode() and .validate() methods

From: kernel test robot <[email-masked]>
Date: Thu, 15 Jan 2026 18:11:39 +0800

Hi Russell,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Russell-King-Oracle/net-stmmac-qcom-ethqos-remove-mac_base/20260115-054728
base:   net-next/main
patch link:    https://lore.kernel.org/r/E1vg4vs-00000003SFt-1Fje%40rmk-PC.armlinux.org.uk
patch subject: [PATCH net-next 03/14] phy: qcom-sgmii-eth: add .set_mode() and .validate() methods
config: microblaze-randconfig-r073-20260115 (https://download.01.org/0day-ci/archive/20260115/[email-masked]/config)
compiler: microblaze-linux-gcc (GCC) 14.3.0
smatch version: v0.5.0-8985-g2614ff1a
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260115/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   drivers/phy/qualcomm/phy-qcom-sgmii-eth.c: In function 'qcom_dwmac_sgmii_phy_speed':
>> drivers/phy/qualcomm/phy-qcom-sgmii-eth.c:294:24: error: 'PHY_INTERFACE_MODE_SGMII' undeclared (first use in this function)
     294 |         if (submode == PHY_INTERFACE_MODE_SGMII ||
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/phy/qualcomm/phy-qcom-sgmii-eth.c:294:24: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/phy/qualcomm/phy-qcom-sgmii-eth.c:295:24: error: 'PHY_INTERFACE_MODE_1000BASEX' undeclared (first use in this function)
     295 |             submode == PHY_INTERFACE_MODE_1000BASEX)
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/phy/qualcomm/phy-qcom-sgmii-eth.c:298:24: error: 'PHY_INTERFACE_MODE_2500BASEX' undeclared (first use in this function)
     298 |         if (submode == PHY_INTERFACE_MODE_2500BASEX)
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/PHY_INTERFACE_MODE_SGMII +294 drivers/phy/qualcomm/phy-qcom-sgmii-eth.c

   288	
   289	static int qcom_dwmac_sgmii_phy_speed(enum phy_mode mode, int submode)
   290	{
   291		if (mode != PHY_MODE_ETHERNET)
   292			return -EINVAL;
   293	
 > 294		if (submode == PHY_INTERFACE_MODE_SGMII ||
 > 295		    submode == PHY_INTERFACE_MODE_1000BASEX)
   296			return SPEED_1000;
   297	
 > 298		if (submode == PHY_INTERFACE_MODE_2500BASEX)
   299			return SPEED_2500;
   300	
   301		return -EINVAL;
   302	}
   303	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki