* [linux-next:master 4629/8237] drivers/video/fbdev/omap/hwa742.c:492:5: warning: no previous prototype for 'hwa742_update_window_async'
@ 2022-05-04 5:07 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-04 5:07 UTC (permalink / raw)
To: Arnd Bergmann; +Cc: kbuild-all, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 44a2f39e611ac0bc1f17c288a583d7f2e5684aa7
commit: 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b [4629/8237] fbdev: omap: avoid using mach/*.h files
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220504/202205041248.WgCwPcEV-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/video/fbdev/omap/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/video/fbdev/omap/hwa742.c:492:5: warning: no previous prototype for 'hwa742_update_window_async' [-Wmissing-prototypes]
492 | int hwa742_update_window_async(struct fb_info *fbi,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/fbdev/omap/hwa742.c: In function 'setup_tearsync':
drivers/video/fbdev/omap/hwa742.c:791:20: warning: variable 'vdisp' set but not used [-Wunused-but-set-variable]
791 | int hdisp, vdisp;
| ^~~~~
drivers/video/fbdev/omap/hwa742.c: In function 'hwa742_init':
drivers/video/fbdev/omap/hwa742.c:943:38: warning: variable 'omapfb_conf' set but not used [-Wunused-but-set-variable]
943 | struct omapfb_platform_data *omapfb_conf;
| ^~~~~~~~~~~
vim +/hwa742_update_window_async +492 drivers/video/fbdev/omap/hwa742.c
6e4863dbb5612f drivers/video/fbdev/omap/hwa742.c Ahmed S. Darwish 2021-02-08 491
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 @492 int hwa742_update_window_async(struct fb_info *fbi,
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 493 struct omapfb_update_window *win,
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 494 void (*complete_callback)(void *arg),
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 495 void *complete_callback_data)
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 496 {
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 497 LIST_HEAD(req_list);
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 498 struct hwa742_request *last;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 499 int r = 0;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 500
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 501 if (hwa742.update_mode != OMAPFB_MANUAL_UPDATE) {
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 502 dev_dbg(hwa742.fbdev->dev, "invalid update mode\n");
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 503 r = -EINVAL;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 504 goto out;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 505 }
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 506 if (unlikely(win->format &
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 507 ~(0x03 | OMAPFB_FORMAT_FLAG_DOUBLE |
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 508 OMAPFB_FORMAT_FLAG_TEARSYNC | OMAPFB_FORMAT_FLAG_FORCE_VSYNC))) {
898eb71cb17644 drivers/video/omap/hwa742.c Joe Perches 2007-10-18 509 dev_dbg(hwa742.fbdev->dev, "invalid window flag\n");
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 510 r = -EINVAL;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 511 goto out;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 512 }
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 513
6e4863dbb5612f drivers/video/fbdev/omap/hwa742.c Ahmed S. Darwish 2021-02-08 514 create_req_list(win, &req_list, true);
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 515 last = list_entry(req_list.prev, struct hwa742_request, entry);
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 516
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 517 last->complete = complete_callback;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 518 last->complete_data = (void *)complete_callback_data;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 519
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 520 submit_req_list(&req_list);
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 521
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 522 out:
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 523 return r;
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 524 }
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 525 EXPORT_SYMBOL(hwa742_update_window_async);
aae76ef13e348c drivers/video/omap/hwa742.c Imre Deak 2007-05-26 526
:::::: The code at line 492 was first introduced by commit
:::::: aae76ef13e348cebac225407ea2c452f8d0ff862 OMAP: add external Epson HWA742 LCD controller support
:::::: TO: Imre Deak <imre.deak@solidboot.com>
:::::: CC: Linus Torvalds <torvalds@woody.linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-05-04 5:07 [linux-next:master 4629/8237] drivers/video/fbdev/omap/hwa742.c:492:5: warning: no previous prototype for 'hwa742_update_window_async' kernel test robot
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