2:51 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next
head: a65a1ec70639afa5ff7990cf33213dd41f3c7176
commit: edecc785996030331a83dddaeee960ab9302c608 [69/89] usb: dwc3: Add support for
DWC_usb32 IP
config: microblaze-randconfig-s002-20200520 (attached as .config)
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-193-gb8fad4bc-dirty
git checkout edecc785996030331a83dddaeee960ab9302c608
# save the attached .config to linux build tree
make C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from drivers/usb/dwc3/debug.h:14,
from drivers/usb/dwc3/gadget.c:25:
drivers/usb/dwc3/gadget.c: In function 'dwc3_gadget_run_stop':
drivers/usb/dwc3/core.h:1413:17: warning: comparison of unsigned expression >= 0 is
always true [-Wtype-limits]
1413 | dwc->revision >= _ip##_REVISION_##_from && |
^~
> drivers/usb/dwc3/gadget.c:1885:7: note: in expansion of macro
'DWC3_VER_IS_WITHIN'
1885 | if (DWC3_VER_IS_WITHIN(DWC3, ANY, 187A)) {
| ^~~~~~~~~~~~~~~~~~
drivers/usb/dwc3/gadget.c: In function 'dwc3_gadget_conndone_interrupt':
drivers/usb/dwc3/core.h:1413:17: warning: comparison of unsigned expression >= 0 is
always true [-Wtype-limits]
1413 | dwc->revision >= _ip##_REVISION_##_from && |
^~
drivers/usb/dwc3/gadget.c:3025:7: note: in expansion of macro
'DWC3_VER_IS_WITHIN'
3025 | if (!DWC3_VER_IS_WITHIN(DWC3, ANY, 194A) &&
| ^~~~~~~~~~~~~~~~~~
vim +/DWC3_VER_IS_WITHIN +1885 drivers/usb/dwc3/gadget.c
1874
1875 static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
1876 {
1877 u32 reg;
1878 u32 timeout = 500;
1879
1880 if (pm_runtime_suspended(dwc->dev))
1881 return 0;
1882
1883 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
1884 if (is_on) {
1885 if (DWC3_VER_IS_WITHIN(DWC3, ANY, 187A)) {
1886 reg
&= ~DWC3_DCTL_TRGTULST_MASK;
1887 reg |= DWC3_DCTL_TRGTULST_RX_DET;
1888 }
1889
1890 if (!DWC3_VER_IS_PRIOR(DWC3, 194A))
1891 reg &= ~DWC3_DCTL_KEEP_CONNECT;
1892 reg |= DWC3_DCTL_RUN_STOP;
1893
1894 if (dwc->has_hibernation)
1895 reg |= DWC3_DCTL_KEEP_CONNECT;
1896
1897 dwc->pullups_connected = true;
1898 } else {
1899 reg &= ~DWC3_DCTL_RUN_STOP;
1900
1901 if (dwc->has_hibernation && !suspend)
1902 reg &= ~DWC3_DCTL_KEEP_CONNECT;
1903
1904 dwc->pullups_connected = false;
1905 }
1906
1907 dwc3_gadget_dctl_write_safe(dwc, reg);
1908
1909 do {
1910 reg = dwc3_readl(dwc->regs, DWC3_DSTS);
1911 reg &= DWC3_DSTS_DEVCTRLHLT;
1912 } while (--timeout && !(!is_on ^ !reg));
1913
1914 if (!timeout)
1915 return -ETIMEDOUT;
1916
1917 return 0;
1918 }
1919
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org