Hi, kbuild test robot <lkp@xxxxxxxxx> writes: > Hi Felipe, > > [auto build test ERROR on usb/usb-testing] > [also build test ERROR on v4.9 next-20161213] > [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/Felipe-Balbi/usb-host-xhci-refactor-xhci_hub_control/20161213-192036 > base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > config: blackfin-allmodconfig (attached as .config) > compiler: bfin-uclinux-gcc (GCC) 6.2.0 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=blackfin > > All errors (new ones prefixed by >>): > > drivers/usb/host/xhci-hub.c: In function 'xhci_ctrl_set_port_feature.isra.5': >>> drivers/usb/host/xhci-hub.c:1159:1: error: unable to find a register to spill in class 'CCREGS' > } > ^ >>> drivers/usb/host/xhci-hub.c:1159:1: error: this is the insn: > (insn 977 434 439 44 (set (reg:SI 0 R0 [433]) > (zero_extend:SI (reg:BI 16 I0 [599]))) drivers/usb/host/xhci-hub.c:363 30 {zero_extendbisi2} > (nil)) > drivers/usb/host/xhci-hub.c:1159: confused by earlier errors, bailing out > > vim +/CCREGS +1159 drivers/usb/host/xhci-hub.c > > 1153 return -EPIPE; > 1154 } > 1155 /* unblock any posted writes */ > 1156 temp = readl(port_array[wIndex]); > 1157 > 1158 return 0; >> 1159 } no idea what this means :-) It compiled just fine for x86 here. Any ideas? -- balbi
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