Hi Frank, I love your patch! Yet something to improve: [auto build test ERROR on jonmason-ntb/ntb-next] [also build test ERROR on robh/for-next linus/master v6.0-rc1 next-20220816] [cannot apply to tip/irq/core] [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/Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220816-131930 base: https://github.com/jonmason/ntb ntb-next config: arm-multi_v5_defconfig (https://download.01.org/0day-ci/archive/20220817/202208170210.zGxvHnIZ-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/71296e2ad757d90e870b2ab81f2b06b9c76e7c41 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220816-131930 git checkout 71296e2ad757d90e870b2ab81f2b06b9c76e7c41 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/irqchip/irq-imx-mu-msi.c:124:13: error: use of undeclared identifier 'irq_chip_ack_parent' .irq_ack = irq_chip_ack_parent, ^ drivers/irqchip/irq-imx-mu-msi.c:127:30: error: variable has incomplete type 'struct msi_domain_ops' static struct msi_domain_ops imx_mu_msi_irq_ops = { ^ drivers/irqchip/irq-imx-mu-msi.c:127:15: note: forward declaration of 'struct msi_domain_ops' static struct msi_domain_ops imx_mu_msi_irq_ops = { ^ drivers/irqchip/irq-imx-mu-msi.c:131:12: error: use of undeclared identifier 'MSI_FLAG_USE_DEF_DOM_OPS' .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS), ^ drivers/irqchip/irq-imx-mu-msi.c:131:39: error: use of undeclared identifier 'MSI_FLAG_USE_DEF_CHIP_OPS' .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS), ^ drivers/irqchip/irq-imx-mu-msi.c:130:31: error: variable has incomplete type 'struct msi_domain_info' static struct msi_domain_info imx_mu_msi_domain_info = { ^ drivers/irqchip/irq-imx-mu-msi.c:130:15: note: forward declaration of 'struct msi_domain_info' static struct msi_domain_info imx_mu_msi_domain_info = { ^ drivers/irqchip/irq-imx-mu-msi.c:203:3: error: field designator 'alloc' does not refer to any field in type 'const struct irq_domain_ops' .alloc = imx_mu_msi_domain_irq_alloc, ^ drivers/irqchip/irq-imx-mu-msi.c:204:3: error: field designator 'free' does not refer to any field in type 'const struct irq_domain_ops' .free = imx_mu_msi_domain_irq_free, ^ drivers/irqchip/irq-imx-mu-msi.c:241:25: error: call to undeclared function 'platform_msi_create_irq_domain'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] msi_data->msi_domain = platform_msi_create_irq_domain( ^ drivers/irqchip/irq-imx-mu-msi.c:295:32: warning: variable 'priv' set but not used [-Wunused-but-set-variable] struct imx_mu_msi *msi_data, *priv; ^ 1 warning and 8 errors generated. vim +/irq_chip_ack_parent +124 drivers/irqchip/irq-imx-mu-msi.c 121 122 static struct irq_chip imx_mu_msi_irq_chip = { 123 .name = "MU-MSI", > 124 .irq_ack = irq_chip_ack_parent, 125 }; 126 -- 0-DAY CI Kernel Test Service https://01.org/lkp
