Hi Joakim, FYI, the error/warning still remains. tree: https://github.com/Freescale/linux-fslc 5.4-2.3.x-imx head: ef8eb7d4787bee4be718a83b6c73fb8cc7e8f158 commit: 89f28f28d76a0bc4a4d825818e2f50fbd4368235 [11674/19343] MLK-24382-1 irqchip: imx-intmux: add system PM support config: arm-randconfig-r011-20210611 (attached as .config) compiler: arm-linux-gnueabi-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/Freescale/linux-fslc/commit/89f28f28d76a0bc4a4d825818e... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc 5.4-2.3.x-imx git checkout 89f28f28d76a0bc4a4d825818e2f50fbd4368235 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/irqchip/irq-imx-intmux.c: In function 'imx_intmux_probe': 169 | intmux_data->saved_reg = devm_kzalloc(&pdev->dev, | ^~ drivers/irqchip/irq-imx-intmux.c:172:19: error: 'struct intmux_data' has no member named 'saved_reg' 172 | if (!intmux_data->saved_reg) | ^~ vim +169 drivers/irqchip/irq-imx-intmux.c 128 129 static int imx_intmux_probe(struct platform_device *pdev) 130 { 131 struct device_node *np = pdev->dev.of_node; 132 struct intmux_data *intmux_data; 133 struct resource *res; 134 int i; 135 int channum; 136 int ret; 137 138 ret = of_property_read_u32(np, "nxp,intmux_chans", &channum); 139 if (ret) 140 channum = 1; 141 142 intmux_data = devm_kzalloc(&pdev->dev, sizeof(*intmux_data) + 143 channum * 144 sizeof(intmux_data->irqchip_data[0]), 145 GFP_KERNEL); 146 if (!intmux_data) 147 return -ENOMEM; 148 149 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 150 intmux_data->regs = devm_ioremap_resource(&pdev->dev, res); 151 if (IS_ERR(intmux_data->regs)) { 152 dev_err(&pdev->dev, "failed to initialize reg\n"); 153 return PTR_ERR(intmux_data->regs); 154 } 155 156 intmux_data->ipg_clk = devm_clk_get(&pdev->dev, "ipg"); 157 if (IS_ERR(intmux_data->ipg_clk)) { 158 ret = PTR_ERR(intmux_data->ipg_clk); 159 dev_err(&pdev->dev, "failed to get ipg clk: %d\n", ret); 160 return ret; 161 } 162 163 intmux_data->channum = channum; 164 intmux_data->pdev = pdev; 165 spin_lock_init(&intmux_data->lock); 166 167 if (IS_ENABLED(CONFIG_PM)) { 168 /* save CHANIER register */ 170 sizeof(u32) * channum, 171 GFP_KERNEL); 172 if (!intmux_data->saved_reg) 173 return -ENOMEM; 174 } 175 176 ret = clk_prepare_enable(intmux_data->ipg_clk); 177 if (ret) { 178 dev_err(&pdev->dev, "failed to enable ipg clk: %d\n", ret); 179 return ret; 180 } 181 182 for (i = 0; i < channum; i++) { 183 intmux_data->irqchip_data[i].chanidx = i; 184 intmux_data->irqchip_data[i].irq = platform_get_irq(pdev, i); 185 if (intmux_data->irqchip_data[i].irq <= 0) { 186 dev_err(&pdev->dev, "failed to get irq\n"); 187 return -ENODEV; 188 } 189 190 intmux_data->irqchip_data[i].domain = irq_domain_add_linear(np, 191 32, 192 &imx_intmux_domain_ops, 193 &intmux_data->irqchip_data[i]); 194 if (!intmux_data->irqchip_data[i].domain) { 195 dev_err(&intmux_data->pdev->dev, 196 "failed to create IRQ domain\n"); 197 return -ENOMEM; 198 } 199 200 irq_set_chained_handler_and_data(intmux_data->irqchip_data[i].irq, 201 imx_intmux_irq_handler, 202 &intmux_data->irqchip_data[i]); 203 } 204 205 platform_set_drvdata(pdev, intmux_data); 206 207 return 0; 208 } 209 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org