Hi Maxime, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on robh/for-next v5.7-rc7 next-20200529] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Maxime-Chevallier/media-rockchip-Introduce-driver-for-the-camera-interface-on-PX30/20200531-081952 base: git://linuxtv.org/media_tree.git master config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from drivers/media/platform/rockchip/cif/dev.c:22: >> drivers/media/platform/rockchip/cif/regs.h:113: warning: "FRAME_END" redefined 113 | #define FRAME_END (0x01 << 0) | In file included from arch/x86/include/asm/paravirt.h:18, from arch/x86/include/asm/spinlock.h:10, from include/linux/spinlock.h:89, from include/linux/rwsem.h:16, from include/linux/notifier.h:15, from include/linux/clk.h:14, from drivers/media/platform/rockchip/cif/dev.c:8: arch/x86/include/asm/frame.h:60: note: this is the location of the previous definition 60 | #define FRAME_END "pop %" _ASM_BP "n" | In file included from include/media/v4l2-subdev.h:15, from include/media/v4l2-device.h:13, from drivers/media/platform/rockchip/cif/dev.h:15, from drivers/media/platform/rockchip/cif/dev.c:21: drivers/media/platform/rockchip/cif/dev.c: In function 'rkcif_plat_probe': include/media/v4l2-common.h:58:32: warning: 'v4l2_dev' may be used uninitialized in this function [-Wmaybe-uninitialized] 58 | printk(level "%s: " fmt, (dev)->name , ## arg) | ^~ drivers/media/platform/rockchip/cif/dev.c:216:22: note: 'v4l2_dev' was declared here 216 | struct v4l2_device *v4l2_dev; | ^~~~~~~~ -- In file included from drivers/media/platform/rockchip/cif/capture.c:22: >> drivers/media/platform/rockchip/cif/regs.h:113: warning: "FRAME_END" redefined 113 | #define FRAME_END (0x01 << 0) | In file included from arch/x86/include/asm/paravirt.h:18, from arch/x86/include/asm/spinlock.h:10, from include/linux/spinlock.h:89, from include/linux/wait.h:9, from include/linux/pid.h:6, from include/linux/sched.h:14, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/pm_runtime.h:11, from drivers/media/platform/rockchip/cif/capture.c:10: arch/x86/include/asm/frame.h:60: note: this is the location of the previous definition 60 | #define FRAME_END "pop %" _ASM_BP "n" | vim +/FRAME_END +113 drivers/media/platform/rockchip/cif/regs.h 110 111 /* CIF INTSTAT */ 112 #define INTSTAT_CLS (0x3FF) > 113 #define FRAME_END (0x01 << 0) 114 #define LINE_ERR (0x01 << 2) 115 #define PST_INF_FRAME_END (0x01 << 9) 116 #define FRAME_END_CLR (0x01 << 0) 117 #define LINE_ERR_CLR (0x01 << 2) 118 #define PST_INF_FRAME_END_CLR (0x01 << 9) 119 #define INTSTAT_ERR (0xFC) 120 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org