Hi zhong, Thank you for the patch! Yet something to improve:
[auto build test ERROR on arm-soc/for-next] [also build test ERROR on v4.19-rc3 next-20180913] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/zhong-jiang/arm-common-use-match_string-helper-to-simplify-the-code/20180915-035510 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git for-next config: arm-multi_v5_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: 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 GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): arch/arm/plat-orion/common.c: In function 'orion_ge00_switch_init': >> arch/arm/plat-orion/common.c:487:23: error: passing argument 1 of >> 'match_string' from incompatible pointer type >> [-Werror=incompatible-pointer-types] index = match_string(d->port_names, ARRAY_SIZE(d->port_names), "cpu"); ^ In file included from include/linux/bitmap.h:9:0, from include/linux/cpumask.h:12, from include/linux/rcupdate.h:44, from include/linux/radix-tree.h:28, from include/linux/idr.h:15, from include/linux/kernfs.h:14, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/device.h:16, from include/linux/platform_device.h:14, from arch/arm/plat-orion/common.c:13: include/linux/string.h:184:5: note: expected 'const char * const*' but argument is of type 'char **' int match_string(const char * const *array, size_t n, const char *string); ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/match_string +487 arch/arm/plat-orion/common.c 479 480 void __init orion_ge00_switch_init(struct dsa_chip_data *d) 481 { 482 int index; 483 484 if (!IS_BUILTIN(CONFIG_PHYLIB)) 485 return; 486 > 487 index = match_string(d->port_names, ARRAY_SIZE(d->port_names), > "cpu"); 488 if (index >= 0) 489 d->netdev[index] = &orion_ge00.dev; 490 491 orion_ge00_switch_board_info.mdio_addr = d->sw_addr; 492 orion_ge00_switch_board_info.platform_data = d; 493 494 mdiobus_register_board_info(&orion_ge00_switch_board_info, 1); 495 } 496 #endif 497 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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