tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git pci/xilinx head: 8b5d158374e59edf26e61c512eeb00ca7c9d891d commit: 8b5d158374e59edf26e61c512eeb00ca7c9d891d [3/3] PCI: xilinx-cpm: Revamp irq handling reproduce: scripts/checkpatch.pl 0001-PCI-xilinx-cpm-Revamp-irq-handling.patch If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; # many are suggestions rather than must-fix ERROR: space required before the open parenthesis '(' #456: drivers/pci/controller/pcie-xilinx-cpm.c:342: + switch(d->hwirq) { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org