Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on balbi-usb/next peter.chen-usb/ci-for-usb-next linus/master linux/master v5.6-rc7 next-20200327] [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/vladimir-stankovic-displaylink-com/Add-MA-USB-Host-driver/20200328-042436 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: c6x-allyesconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 9.2.0 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=9.2.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag Reported-by: kbuild test robot All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:7, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/preempt.h:11, from include/linux/spinlock.h:51, from include/linux/kref.h:16, from drivers/usb/mausb_host/hpal.h:8, from drivers/usb/mausb_host/utils.h:8, from drivers/usb/mausb_host/utils.c:5: drivers/usb/mausb_host/utils.c: In function 'mausb_file_read': >> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'ssize_t' {aka 'int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' 9 | #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ | ^~~~~~~~ include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' 300 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ >> drivers/usb/mausb_host/utils.h:16:2: note: in expansion of macro 'pr_alert' 16 | pr_##level_str("MAUSB " #level " [%x:%x] [%s] " log "\n",\ | ^~~ >> drivers/usb/mausb_host/utils.h:20:29: note: in expansion of macro 'mausb_pr_logs' 20 | #define mausb_pr_alert(...) mausb_pr_logs(alert, 1, ##__VA_ARGS__) | ^~~~~~~~~~~~~ >> drivers/usb/mausb_host/utils.c:102:3: note: in expansion of macro 'mausb_pr_alert' 102 | mausb_pr_alert("Different expected bytes to read (%ld) from actual size (%ld)", | ^~~~~~~~~~~~~~ include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' 9 | #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ | ^~~~~~~~ include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' 300 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ >> drivers/usb/mausb_host/utils.h:16:2: note: in expansion of macro 'pr_alert' 16 | pr_##level_str("MAUSB " #level " [%x:%x] [%s] " log "\n",\ | ^~~ >> drivers/usb/mausb_host/utils.h:20:29: note: in expansion of macro 'mausb_pr_logs' 20 | #define mausb_pr_alert(...) mausb_pr_logs(alert, 1, ##__VA_ARGS__) | ^~~~~~~~~~~~~ >> drivers/usb/mausb_host/utils.c:102:3: note: in expansion of macro 'mausb_pr_alert' 102 | mausb_pr_alert("Different expected bytes to read (%ld) from actual size (%ld)", | ^~~~~~~~~~~~~~ drivers/usb/mausb_host/utils.c: In function 'mausb_file_write': >> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'ssize_t' {aka 'int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' 9 | #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ | ^~~~~~~~ include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' 300 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ >> drivers/usb/mausb_host/utils.h:16:2: note: in expansion of macro 'pr_alert' 16 | pr_##level_str("MAUSB " #level " [%x:%x] [%s] " log "\n",\ | ^~~ >> drivers/usb/mausb_host/utils.h:20:29: note: in expansion of macro 'mausb_pr_logs' 20 | #define mausb_pr_alert(...) mausb_pr_logs(alert, 1, ##__VA_ARGS__) | ^~~~~~~~~~~~~ drivers/usb/mausb_host/utils.c:193:3: note: in expansion of macro 'mausb_pr_alert' 193 | mausb_pr_alert("Different expected bytes to write (%ld) from actual size (%ld)", | ^~~~~~~~~~~~~~ include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' 9 | #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ | ^~~~~~~~ include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' 300 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ >> drivers/usb/mausb_host/utils.h:16:2: note: in expansion of macro 'pr_alert' 16 | pr_##level_str("MAUSB " #level " [%x:%x] [%s] " log "\n",\ | ^~~ >> drivers/usb/mausb_host/utils.h:20:29: note: in expansion of macro 'mausb_pr_logs' 20 | #define mausb_pr_alert(...) mausb_pr_logs(alert, 1, ##__VA_ARGS__) | ^~~~~~~~~~~~~ drivers/usb/mausb_host/utils.c:193:3: note: in expansion of macro 'mausb_pr_alert' 193 | mausb_pr_alert("Different expected bytes to write (%ld) from actual size (%ld)", | ^~~~~~~~~~~~~~ -- drivers/usb/mausb_host/hpal_events.c: In function 'mausb_data_msg_received_event': >> drivers/usb/mausb_host/hpal_events.c:44:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 44 | event->data.recv_buf = (u64)hdr; | ^ drivers/usb/mausb_host/hpal_events.c: In function 'mausb_isoch_msg_received_event': drivers/usb/mausb_host/hpal_events.c:66:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 66 | event->data.recv_buf = (u64)hdr; | ^ drivers/usb/mausb_host/hpal_events.c: In function 'mausb_cleanup_delete_data_transfer_event': >> drivers/usb/mausb_host/hpal_events.c:593:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 593 | struct urb *urb = (struct urb *)event->data.urb; | ^ vim +/pr_alert +16 drivers/usb/mausb_host/utils.h 5f578d5631444d vladimir.stankovic@displaylink.com 2020-03-27 9 cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 10 #if defined(MAUSB_NO_LOGS) cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 11 #define mausb_pr_logs(...) cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 12 #else cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 13 #include cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 14 #include cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 15 #define mausb_pr_logs(level_str, level, log, ...)\ cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 @16 pr_##level_str("MAUSB " #level " [%x:%x] [%s] " log "\n",\ cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 17 current->pid, current->tgid, __func__, ##__VA_ARGS__) cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 18 #endif /* MAUSB_NO_LOGS */ cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 19 cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 @20 #define mausb_pr_alert(...) mausb_pr_logs(alert, 1, ##__VA_ARGS__) cca4e12f279232 vladimir.stankovic@displaylink.com 2020-03-27 21 :::::: The code at line 16 was first introduced by commit :::::: cca4e12f279232d69e2a551b72966976d5cda619 usb: Add MA-USB Host kernel module :::::: TO: vladimir.stankovic@displaylink.com :::::: CC: 0day robot --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org