Hi Mathias, I love your patch! Perhaps something to improve:
[auto build test WARNING on v4.16] [also build test WARNING on next-20180410] [cannot apply to usb/usb-testing] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Mathias-Nyman/xhci-dump-event-ring-testpatch-for-Luciano/20180410-211241 config: parisc-generic-64bit_defconfig (attached as .config) compiler: hppa64-linux-gnu-gcc (GCC) 7.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=parisc All warnings (new ones prefixed by >>): In file included from drivers/usb/host/xhci-ring.c:58:0: drivers/usb/host/xhci-ring.c: In function 'xhci_dump_ev_ring': >> drivers/usb/host/xhci-ring.c:2272:19: warning: format '%llx' expects >> argument of type 'long long unsigned int', but argument 3 has type 'long >> unsigned int' [-Wformat=] xhci_warn(xhci, "%llx: %s\n", seg->dma + (i * sizeof(union xhci_trb)), ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/xhci.h:1900:48: note: in definition of macro 'xhci_warn' dev_warn(xhci_to_hcd(xhci)->self.controller , fmt , ## args) ^~~ drivers/usb/host/xhci-ring.c:2278:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'dma_addr_t {aka unsigned int}' [-Wformat=] xhci_warn(xhci, "dequeue: %llx\n", xhci_trb_virt_to_dma(seg, xhci->event_ring->dequeue)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/xhci.h:1900:48: note: in definition of macro 'xhci_warn' dev_warn(xhci_to_hcd(xhci)->self.controller , fmt , ## args) ^~~ vim +2272 drivers/usb/host/xhci-ring.c 2265 2266 static void xhci_dump_ev_ring(struct xhci_hcd *xhci) 2267 { 2268 int i; 2269 struct xhci_segment *seg = xhci->event_ring->first_seg; 2270 2271 for (i = 0; i < TRBS_PER_SEGMENT; i++) { > 2272 xhci_warn(xhci, "%llx: %s\n", seg->dma + (i * > sizeof(union xhci_trb)), 2273 xhci_decode_trb(seg->trbs[i].generic.field[0], 2274 seg->trbs[i].generic.field[1], 2275 seg->trbs[i].generic.field[2], 2276 seg->trbs[i].generic.field[3])); 2277 } 2278 xhci_warn(xhci, "dequeue: %llx\n", xhci_trb_virt_to_dma(seg, xhci->event_ring->dequeue)); 2279 } 2280 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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