Re: [PATCH 1/2] usb: host: ehci-sched: add itd/sitd_unlink_urb() functions

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Hi Xu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on usb/usb-next usb/usb-linus char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus westeri-thunderbolt/next linus/master v6.5-rc2 next-20230720]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Xu-Yang/usb-ehci-unlink-itd-sitds-from-hardware-list-if-the-controller-has-stopped-periodic-schedule/20230718-192747
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20230718112600.3969141-1-xu.yang_2%40nxp.com
patch subject: [PATCH 1/2] usb: host: ehci-sched: add itd/sitd_unlink_urb() functions
config: parisc-randconfig-r071-20230717 (https://download.01.org/0day-ci/archive/20230721/202307211120.NLiBSqJH-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211120.NLiBSqJH-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307211120.NLiBSqJH-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
   drivers/usb/host/ehci-hcd.c: note: in included file:
   drivers/usb/host/ehci-q.c:1390:27: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] old_current @@     got int @@
   drivers/usb/host/ehci-q.c:1390:27: sparse:     expected restricted __le32 [usertype] old_current
   drivers/usb/host/ehci-q.c:1390:27: sparse:     got int
   drivers/usb/host/ehci-hcd.c:568:27: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] old_current @@     got int @@
   drivers/usb/host/ehci-hcd.c:568:27: sparse:     expected restricted __le32 [usertype] old_current
   drivers/usb/host/ehci-hcd.c:568:27: sparse:     got int
   drivers/usb/host/ehci-hcd.c: note: in included file:
>> drivers/usb/host/ehci-sched.c:1829:17: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted __le32 [usertype] tag @@     got int @@
   drivers/usb/host/ehci-sched.c:1829:17: sparse:     expected restricted __le32 [usertype] tag
   drivers/usb/host/ehci-sched.c:1829:17: sparse:     got int
>> drivers/usb/host/ehci-sched.c:1829:17: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted __le32 [usertype] tag @@     got int @@
   drivers/usb/host/ehci-sched.c:1829:17: sparse:     expected restricted __le32 [usertype] tag
   drivers/usb/host/ehci-sched.c:1829:17: sparse:     got int

vim +1829 drivers/usb/host/ehci-sched.c

  1807	
  1808	/* unlink itd/sitd from the periodic list */
  1809	static inline void
  1810	unlink(struct ehci_hcd *ehci, unsigned frame, void *ptr)
  1811	{
  1812		union ehci_shadow	*prev = &ehci->pshadow[frame];
  1813		__hc32			*hw_p = &ehci->periodic[frame];
  1814		union ehci_shadow	here = *prev;
  1815	
  1816		while (here.ptr && here.ptr != ptr) {
  1817			prev = periodic_next_shadow(ehci, prev,
  1818				Q_NEXT_TYPE(ehci, *hw_p));
  1819			hw_p = shadow_next_periodic(ehci, &here,
  1820				Q_NEXT_TYPE(ehci, *hw_p));
  1821			here = *prev;
  1822		}
  1823	
  1824		*prev = *periodic_next_shadow(ehci, &here,
  1825				Q_NEXT_TYPE(ehci, *hw_p));
  1826	
  1827		if (!ehci->use_dummy_qh ||
  1828			*shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)
> 1829			!= EHCI_LIST_END(ehci)))
  1830			*hw_p = *shadow_next_periodic(ehci, &here,
  1831						Q_NEXT_TYPE(ehci, *hw_p));
  1832		else
  1833			*hw_p = cpu_to_hc32(ehci, ehci->dummy->qh_dma);
  1834	}
  1835	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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