Re: [PATCH v3 1/4] usb: host: export symbols for xhci hooks usage

kernel test robot
2022-03-21T15:36:14Z

Hi Daehwan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20220318]
[also build test WARNING on v5.17]
[cannot apply to usb/usb-testing krzk/for-next char-misc/char-misc-testing v5.17 v5.17-rc8 v5.17-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Daehwan-Jung/usb-host-export-symbols-for-xhci-hooks-usage/20220321-180046
base: 6d72dda014a4753974eb08950089ddf71fec4f60
config: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220321/202203212326.t8A838in-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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://github.com/0day-ci/linux/commit/0577f386af5e7bc6400e76dc23c22fbcf45d715f
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Daehwan-Jung/usb-host-export-symbols-for-xhci-hooks-usage/20220321-180046
git checkout 0577f386af5e7bc6400e76dc23c22fbcf45d715f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/usb/host/

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/usb/host/xhci-mem.c:68:6: warning: no previous prototype for 'xhci_segment_free' [-Wmissing-prototypes]
68 | void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
| ^~~~~~~~~~~~~~~~~
drivers/usb/host/xhci-mem.c:100:6: warning: no previous prototype for 'xhci_link_segments' [-Wmissing-prototypes]
100 | void xhci_link_segments(struct xhci_segment *prev,
| ^~~~~~~~~~~~~~~~~~
>> drivers/usb/host/xhci-mem.c:261:6: warning: no previous prototype for 'xhci_remove_stream_mapping' [-Wmissing-prototypes]
261 | void xhci_remove_stream_mapping(struct xhci_ring *ring)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/usb/host/xhci-mem.c:1974:5: warning: no previous prototype for 'xhci_check_trb_in_td_math' [-Wmissing-prototypes]
1974 | int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
| ^~~~~~~~~~~~~~~~~~~~~~~~~

vim +/xhci_remove_stream_mapping +261 drivers/usb/host/xhci-mem.c

260
> 261 void xhci_remove_stream_mapping(struct xhci_ring *ring)
262 {
263 struct xhci_segment *seg;
264
265 if (WARN_ON_ONCE(ring->trb_address_map == NULL))
266 return;
267
268 seg = ring->first_seg;
269 do {
270 xhci_remove_segment_mapping(ring->trb_address_map, seg);
271 seg = seg->next;
272 } while (seg != ring->first_seg);
273 }
274 EXPORT_SYMBOL_GPL(xhci_remove_stream_mapping);
275

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0-DAY CI Kernel Test Service