Hi Ricardo, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Ricardo-Martinez/net-wwan-t7xx-P... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 8aaaf2f3af2ae212428f4db1af34214225f5cec3 config: ia64-randconfig-m031-20220116 (https://download.01.org/0day-ci/archive/20220116/202201162348.afiiNcX1-lk...) compiler: ia64-linux-gcc (GCC) 11.2.0 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/e62b3a8ab00c63ee38d0d31cd402a1a40... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ricardo-Martinez/net-wwan-t7xx-PCIe-driver-for-MediaTek-M-2-modem/20220114-090852 git checkout e62b3a8ab00c63ee38d0d31cd402a1a40e8b2769 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/net/ 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 >>): In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/scatterlist.h:8, from include/linux/dma-mapping.h:10, from drivers/net/wwan/t7xx/t7xx_pci.c:23: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ cc1: all warnings being treated as errors vim +/old_rr4 +127 arch/ia64/include/asm/mmu_context.h ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 121 ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 122 static inline void badea125d7cbd9 include/asm-ia64/mmu_context.h David Mosberger-Tang 2005-07-25 123 reload_context (nv_mm_context_t context) ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 124 { ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 125 unsigned long rid; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 126 unsigned long rid_incr = 0; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 @127 unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 128 0a41e250116058 include/asm-ia64/mmu_context.h Peter Chubb 2005-08-16 129 old_rr4 = ia64_get_rr(RGN_BASE(RGN_HPAGE)); ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 130 rid = context << 3; /* make space for encoding the region number */ ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 131 rid_incr = 1 << 8; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 132 ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 133 /* encode the region id, preferred page size, and VHPT enable bit: */ ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 134 rr0 = (rid << 8) | (PAGE_SHIFT << 2) | 1; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 135 rr1 = rr0 + 1*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 136 rr2 = rr0 + 2*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 137 rr3 = rr0 + 3*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 138 rr4 = rr0 + 4*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 139 #ifdef CONFIG_HUGETLB_PAGE ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 140 rr4 = (rr4 & (~(0xfcUL))) | (old_rr4 & 0xfc); 0a41e250116058 include/asm-ia64/mmu_context.h Peter Chubb 2005-08-16 141 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org