linux-kernel - Re: [PATCH v2 04/11] PCI: dwc: pcie-kirin: add support for Kirin 970 PCIe controller

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Date:   Wed, 3 Feb 2021 17:32:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-media@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Binghui Wang <wangbinghui@...ilicon.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Xiaowei Song <songxiaowei@...ilicon.com>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH v2 04/11] PCI: dwc: pcie-kirin: add support for Kirin 970
 PCIe controller

Hi Mauro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pci/next]
[also build test WARNING on linus/master v5.11-rc6 next-20210125]
[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]

url:    https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/Add-support-for-Hikey-970-PCIe/20210203-151220
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/6c6f3407849b681518423b465433a46482b78ebc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mauro-Carvalho-Chehab/Add-support-for-Hikey-970-PCIe/20210203-151220
        git checkout 6c6f3407849b681518423b465433a46482b78ebc
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/dwc/pcie-kirin.c:238:6: warning: no previous prototype for 'kirin970_pcie_get_eyeparam' [-Wmissing-prototypes]
     238 | void kirin970_pcie_get_eyeparam(struct kirin_pcie *pcie)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86


vim +/kirin970_pcie_get_eyeparam +238 drivers/pci/controller/dwc/pcie-kirin.c

   237	
 > 238	void kirin970_pcie_get_eyeparam(struct kirin_pcie *pcie)
   239	{
   240		struct device *dev = pcie->pci->dev;
   241		int i;
   242		struct device_node *np;
   243	
   244		np = dev->of_node;
   245	
   246		if (of_property_read_u32_array(np, "eye_param", pcie->eye_param, 5)) {
   247			for (i = 0; i < 5; i++)
   248			pcie->eye_param[i] = EYEPARAM_NOCFG;
   249		}
   250	
   251		dev_dbg(dev, "eye_param_vboost = [0x%x]\n", pcie->eye_param[0]);
   252		dev_dbg(dev, "eye_param_iboost = [0x%x]\n", pcie->eye_param[1]);
   253		dev_dbg(dev, "eye_param_pre = [0x%x]\n", pcie->eye_param[2]);
   254		dev_dbg(dev, "eye_param_post = [0x%x]\n", pcie->eye_param[3]);
   255		dev_dbg(dev, "eye_param_main = [0x%x]\n", pcie->eye_param[4]);
   256	}
   257	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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