10:16 p.m.
Hi Lai,
FYI, the error/warning still remains.
tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt
head: 646a89c49751509d6493602ca6df16e229574d24
commit: 5e9e6d86fe729cf81e8a0df5c53d326b9f2ec791 [10119/19036] xlink-usb: XLink USB Remote
and Local Host driver
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://github.com/intel/linux-intel-lts/commit/5e9e6d86fe729cf81e8a0df5c...
git remote add intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-lts 5.4/preempt-rt
git checkout 5e9e6d86fe729cf81e8a0df5c53d326b9f2ec791
# 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: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/misc/xlink-usb/local_host/f_vpuusb.c:349:5: warning: no previous prototype for
'mxlk_trigger_reset' [-Wmissing-prototypes]
349 | int mxlk_trigger_reset(void *arg)
| ^~~~~~~~~~~~~~~~~~
drivers/misc/xlink-usb/local_host/f_vpuusb.c:377:5: warning: no previous prototype for
'vpu_setup' [-Wmissing-prototypes]
377 | int vpu_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
| ^~~~~~~~~
drivers/misc/xlink-usb/local_host/f_vpuusb.c:525:5: warning: no previous prototype for
'vpu_cdc_notify' [-Wmissing-prototypes]
525 | int vpu_cdc_notify(struct f_acm *acm, u8 type, u16 value,
| ^~~~~~~~~~~~~~
drivers/misc/xlink-usb/local_host/f_vpuusb.c:562:5: warning: no previous prototype for
'vpu_notify_serial_state' [-Wmissing-prototypes]
562 | int vpu_notify_serial_state(struct f_acm *acm)
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/misc/xlink-usb/local_host/f_vpuusb.c: In function
'keembay_usb_irq_handler':
> drivers/misc/xlink-usb/local_host/f_vpuusb.c:358:14: warning:
'data' is used uninitialized in this function [-Wuninitialized]
358 |
int *data = vpu_read_swid(data);
| ^~~~~~~~~~~~~~~~~~~
vim +/data +358 drivers/misc/xlink-usb/local_host/f_vpuusb.c
354
355 int intr;
356 static irqreturn_t keembay_usb_irq_handler(int irq, void *arg)
357 {
358 int *data = vpu_read_swid(data);
359
360 if (data != 0) {
361 if (*(data) == 0)
362 mxlk_trigger_reset(arg);
363 else {
364 if (!intr) {
365 bus_num = *(data);
366 intr = 1;
367 } else {
368 dev_num = *(data);
369 intr = 0;
370 }
371 }
372 }
373
374 return IRQ_HANDLED;
375 }
376
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org