Hi Joakim,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/irq/core]
[also build test ERROR on linux/master linus/master v5.8-rc5 next-20200716]
[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/Joakim-Zhang/irqchip-imx-intmux-add-PM-support/20200716-193311
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 
8fa88a88d573093868565a1afba43b5ae5b3a316
config: c6x-randconfig-r011-20200717 (attached as .config)
compiler: c6x-elf-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x 

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

All errors (new ones prefixed by >>):

   drivers/irqchip/irq-imx-intmux.c: In function 'imx_intmux_probe':
>> drivers/irqchip/irq-imx-intmux.c:240:7: error: 'struct intmux_data' has no 
>> member named 'saved_reg'
     240 |   data->saved_reg = devm_kzalloc(&pdev->dev,
         |       ^~
   drivers/irqchip/irq-imx-intmux.c:243:12: error: 'struct intmux_data' has no 
member named 'saved_reg'
     243 |   if (!data->saved_reg)
         |            ^~
   At top level:
   drivers/irqchip/irq-imx-intmux.c:351:32: warning: 'imx_intmux_pm_ops' 
defined but not used [-Wunused-const-variable=]
     351 | static const struct dev_pm_ops imx_intmux_pm_ops = {
         |                                ^~~~~~~~~~~~~~~~~

vim +240 drivers/irqchip/irq-imx-intmux.c

   198  
   199  static int imx_intmux_probe(struct platform_device *pdev)
   200  {
   201          struct device_node *np = pdev->dev.of_node;
   202          struct irq_domain *domain;
   203          struct intmux_data *data;
   204          int channum;
   205          int i, ret;
   206  
   207          channum = platform_irq_count(pdev);
   208          if (channum == -EPROBE_DEFER) {
   209                  return -EPROBE_DEFER;
   210          } else if (channum > CHAN_MAX_NUM) {
   211                  dev_err(&pdev->dev, "supports up to %d multiplex 
channels\n",
   212                          CHAN_MAX_NUM);
   213                  return -EINVAL;
   214          }
   215  
   216          data = devm_kzalloc(&pdev->dev, sizeof(*data) +
   217                              channum * sizeof(data->irqchip_data[0]), 
GFP_KERNEL);
   218          if (!data)
   219                  return -ENOMEM;
   220  
   221          data->regs = devm_platform_ioremap_resource(pdev, 0);
   222          if (IS_ERR(data->regs)) {
   223                  dev_err(&pdev->dev, "failed to initialize reg\n");
   224                  return PTR_ERR(data->regs);
   225          }
   226  
   227          data->ipg_clk = devm_clk_get(&pdev->dev, "ipg");
   228          if (IS_ERR(data->ipg_clk)) {
   229                  ret = PTR_ERR(data->ipg_clk);
   230                  if (ret != -EPROBE_DEFER)
   231                          dev_err(&pdev->dev, "failed to get ipg clk: 
%d\n", ret);
   232                  return ret;
   233          }
   234  
   235          data->channum = channum;
   236          raw_spin_lock_init(&data->lock);
   237  
   238          if (IS_ENABLED(CONFIG_PM)) {
   239                  /* save CHANIER register */
 > 240                  data->saved_reg = devm_kzalloc(&pdev->dev,
   241                                                 sizeof(unsigned int) * 
channum,
   242                                                 GFP_KERNEL);
   243                  if (!data->saved_reg)
   244                          return -ENOMEM;
   245          }
   246  
   247          ret = clk_prepare_enable(data->ipg_clk);
   248          if (ret) {
   249                  dev_err(&pdev->dev, "failed to enable ipg clk: %d\n", 
ret);
   250                  return ret;
   251          }
   252  
   253          for (i = 0; i < channum; i++) {
   254                  data->irqchip_data[i].chanidx = i;
   255  
   256                  data->irqchip_data[i].irq = irq_of_parse_and_map(np, i);
   257                  if (data->irqchip_data[i].irq <= 0) {
   258                          ret = -EINVAL;
   259                          dev_err(&pdev->dev, "failed to get irq\n");
   260                          goto out;
   261                  }
   262  
   263                  domain = irq_domain_add_linear(np, 32, 
&imx_intmux_domain_ops,
   264                                                 &data->irqchip_data[i]);
   265                  if (!domain) {
   266                          ret = -ENOMEM;
   267                          dev_err(&pdev->dev, "failed to create IRQ 
domain\n");
   268                          goto out;
   269                  }
   270                  data->irqchip_data[i].domain = domain;
   271  
   272                  /* disable all interrupt sources of this channel 
firstly */
   273                  writel_relaxed(0, data->regs + CHANIER(i));
   274  
   275                  
irq_set_chained_handler_and_data(data->irqchip_data[i].irq,
   276                                                   imx_intmux_irq_handler,
   277                                                   
&data->irqchip_data[i]);
   278          }
   279  
   280          platform_set_drvdata(pdev, data);
   281  
   282          return 0;
   283  out:
   284          clk_disable_unprepare(data->ipg_clk);
   285          return ret;
   286  }
   287  

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

Attachment: .config.gz
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