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Date:   Thu, 14 Dec 2023 17:56:14 +0800
From:   kernel test robot <lkp@intel.com>
To:     Sherry Sun <sherry.sun@nxp.com>, hongxing.zhu@nxp.com,
        l.stach@pengutronix.de, lpieralisi@kernel.org, kw@linux.com,
        robh@kernel.org, bhelgaas@google.com,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        festevam@gmail.com
Cc:     oe-kbuild-all@lists.linux.dev, linux-imx@nxp.com,
        linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 1/4] PCI: imx6: Add pci host wakeup support on imx
 platforms.
Message-ID: <202312141719.j5GCLQry-lkp@intel.com>
References: <20231213092850.1706042-2-sherry.sun@nxp.com>
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In-Reply-To: <20231213092850.1706042-2-sherry.sun@nxp.com>
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Hi Sherry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus shawnguo/for-next robh/for-next linus/master v6.7-rc5 next-20231214]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Sherry-Sun/PCI-imx6-Add-pci-host-wakeup-support-on-imx-platforms/20231213-173031
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20231213092850.1706042-2-sherry.sun%40nxp.com
patch subject: [PATCH V2 1/4] PCI: imx6: Add pci host wakeup support on imx platforms.
config: alpha-randconfig-r112-20231214 (https://download.01.org/0day-ci/archive/20231214/202312141719.j5GCLQry-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231214/202312141719.j5GCLQry-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312141719.j5GCLQry-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/pci/controller/dwc/pci-imx6.c:1267:13: sparse: sparse: symbol 'host_wake_irq_handler' was not declared. Should it be static?
   drivers/pci/controller/dwc/pci-imx6.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...):
   include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +/host_wake_irq_handler +1267 drivers/pci/controller/dwc/pci-imx6.c

  1266	
> 1267	irqreturn_t host_wake_irq_handler(int irq, void *priv)
  1268	{
  1269		struct imx6_pcie *imx6_pcie = priv;
  1270		struct device *dev = imx6_pcie->pci->dev;
  1271	
  1272		/* Notify PM core we are wakeup source */
  1273		pm_wakeup_event(dev, 0);
  1274		pm_system_wakeup();
  1275	
  1276		return IRQ_HANDLED;
  1277	}
  1278	

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