tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next head: 36d292c6ddd3248d5a8e465e51a4e3b76de93a91 commit: 0dac4567e8c4c4b3ba72d22ab6cd67267910d105 [3/11] usb: gadget: add udc driver for max3420 reproduce: # apt-get install sparse # sparse version: v0.6.1-174-g094d5a94-dirty git checkout 0dac4567e8c4c4b3ba72d22ab6cd67267910d105 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/usb/gadget/udc/max3420_udc.c:555:41: sparse: sparse: restricted __le16 degrades to integer drivers/usb/gadget/udc/max3420_udc.c:556:31: sparse: sparse: restricted __le16 degrades to integer >> drivers/usb/gadget/udc/max3420_udc.c:570:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [assigned] [usertype] status @@ got short [assigned] [usertype] status @@ drivers/usb/gadget/udc/max3420_udc.c:570:16: sparse: expected unsigned short [assigned] [usertype] status drivers/usb/gadget/udc/max3420_udc.c:570:16: sparse: got restricted __le16 [usertype] drivers/usb/gadget/udc/max3420_udc.c:588:31: sparse: sparse: restricted __le16 degrades to integer drivers/usb/gadget/udc/max3420_udc.c:602:32: sparse: sparse: restricted __le16 degrades to integer drivers/usb/gadget/udc/max3420_udc.c:631:29: sparse: sparse: cast from restricted __le16 drivers/usb/gadget/udc/max3420_udc.c:632:29: sparse: sparse: cast from restricted __le16 drivers/usb/gadget/udc/max3420_udc.c:633:30: sparse: sparse: cast from restricted __le16 vim +570 drivers/usb/gadget/udc/max3420_udc.c 538 539 static void max3420_getstatus(struct max3420_udc *udc) 540 { 541 struct max3420_ep *ep; 542 u16 status = 0; 543 544 switch (udc->setup.bRequestType & USB_RECIP_MASK) { 545 case USB_RECIP_DEVICE: 546 /* Get device status */ 547 status = udc->gadget.is_selfpowered << USB_DEVICE_SELF_POWERED; 548 status |= (udc->remote_wkp << USB_DEVICE_REMOTE_WAKEUP); 549 break; 550 case USB_RECIP_INTERFACE: 551 if (udc->driver->setup(&udc->gadget, &udc->setup) < 0) 552 goto stall; 553 break; 554 case USB_RECIP_ENDPOINT: 555 ep = &udc->ep[udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK]; 556 if (udc->setup.wIndex & USB_DIR_IN) { 557 if (!ep->ep_usb.caps.dir_in) 558 goto stall; 559 } else { 560 if (!ep->ep_usb.caps.dir_out) 561 goto stall; 562 } 563 if (ep->halted) 564 status = 1 << USB_ENDPOINT_HALT; 565 break; 566 default: 567 goto stall; 568 } 569 > 570 status = cpu_to_le16(status); 571 spi_wr_buf(udc, MAX3420_REG_EP0FIFO, &status, 2); 572 spi_wr8_ack(udc, MAX3420_REG_EP0BC, 2, 1); 573 return; 574 stall: 575 dev_err(udc->dev, "Can't respond to getstatus request\n"); 576 spi_wr8(udc, MAX3420_REG_EPSTALLS, STLEP0IN | STLEP0OUT | STLSTAT); 577 } 578 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
