Re: [PATCH v4 1/5] usb: host: export symbols for xhci-exynos to use xhci hooks

kernel test robot
2022-04-26T16:04:38Z

Hi Daehwan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on krzk/for-next char-misc/char-misc-testing v5.18-rc4 next-20220426]
[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/intel-lab-lkp/linux/commits/Daehwan-Jung/usb-host-export-symbols-for-xhci-exynos-to-use-xhci-hooks/20220426-181936
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220426/202204262306.mzMIKFKO-lkp@intel.com/config)
compiler: arceb-elf-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://github.com/intel-lab-lkp/linux/commit/05a4937860cedb97b77200b7312a6f009aca2fc6
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Daehwan-Jung/usb-host-export-symbols-for-xhci-exynos-to-use-xhci-hooks/20220426-181936
git checkout 05a4937860cedb97b77200b7312a6f009aca2fc6
# 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=arc 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