tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5631c5e0eb9035d92ceb20fcd9cdb7779a3f5cc7 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 7 weeks ago config: arm-randconfig-s032-20200808 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-118-ge1578773-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/usb/gadget/udc/s3c-hsudc.c:563:25: sparse: sparse: restricted __le16 degrades to integer drivers/usb/gadget/udc/s3c-hsudc.c:783:47: sparse: expected unsigned long volatile *addr drivers/usb/gadget/udc/s3c-hsudc.c:808:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected unsigned long volatile *addr @@ got void [noderef] __iomem * @@ drivers/usb/gadget/udc/s3c-hsudc.c:808:49: sparse: expected unsigned long volatile *addr drivers/usb/gadget/udc/s3c-hsudc.c:808:49: sparse: got void [noderef] __iomem * -- drivers/irqchip/irq-s3c24xx.c:359:39: sparse: sparse: symbol 's3c24xx_handle_irq' was not declared. Should it be static? drivers/irqchip/irq-s3c24xx.c:522:31: sparse: got void * drivers/irqchip/irq-s3c24xx.c:566:22: sparse: expected void [noderef] __iomem *base drivers/irqchip/irq-s3c24xx.c:566:22: sparse: got void * drivers/irqchip/irq-s3c24xx.c:1301:12: sparse: sparse: symbol 's3c2410_init_intc_of' was not declared. Should it be static? drivers/irqchip/irq-s3c24xx.c:1323:12: sparse: sparse: symbol 's3c2416_init_intc_of' was not declared. Should it be static? -- drivers/tty/serial/ucc_uart.c:264:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:264:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:264:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:264:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:268:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:268:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:268:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:268:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:268:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:268:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:268:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:268:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:268:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:286:6: sparse: sparse: symbol 'qe_uart_set_mctrl' was not declared. Should it be static? drivers/tty/serial/ucc_uart.c:347:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:347:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:347:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:348:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:348:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:348:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:350:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:350:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:350:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:350:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:350:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:350:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:350:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:350:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:350:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:350:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:350:21: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:350:21: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:369:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:369:18: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:369:18: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:369:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:369:18: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:369:18: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:369:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:369:18: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:369:18: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:369:18: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:369:18: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:369:18: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:382:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:382:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:382:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:383:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:383:17: sparse: expected void const volatile [noderef] __iomem * drivers/tty/serial/ucc_uart.c:383:17: sparse: got restricted __be16 * drivers/tty/serial/ucc_uart.c:383:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got restricted __be16 * @@ drivers/tty/serial/ucc_uart.c:383:17: sparse: expected void const volatile [noderef] __iomem * vim +783 drivers/usb/gadget/udc/s3c-hsudc.c a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 738 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 739 /** a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 740 * s3c_hsudc_ep_enable - Enable a endpoint. a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 741 * @_ep: The endpoint to be enabled. a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 742 * @desc: Endpoint descriptor. a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 743 * a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 744 * Enables a endpoint when called from the gadget driver. Endpoint stall if a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 745 * any is cleared, transfer type is configured and endpoint interrupt is a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 746 * enabled. a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 747 */ a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 748 static int s3c_hsudc_ep_enable(struct usb_ep *_ep, a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 749 const struct usb_endpoint_descriptor *desc) a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 750 { a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 751 struct s3c_hsudc_ep *hsep; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 752 struct s3c_hsudc *hsudc; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 753 unsigned long flags; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 754 u32 ecr = 0; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 755 2d4172c938745c drivers/usb/gadget/s3c-hsudc.c Heiko Stübner 2012-01-08 756 hsep = our_ep(_ep); 109f0f718375e1 drivers/usb/gadget/s3c-hsudc.c Ido Shayevitz 2012-06-04 757 if (!_ep || !desc || _ep->name == ep0name a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 758 || desc->bDescriptorType != USB_DT_ENDPOINT a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 759 || hsep->bEndpointAddress != desc->bEndpointAddress 29cc88979a8818 drivers/usb/gadget/s3c-hsudc.c Kuninori Morimoto 2011-08-23 760 || ep_maxpacket(hsep) < usb_endpoint_maxp(desc)) a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 761 return -EINVAL; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 762 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 763 if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK 29cc88979a8818 drivers/usb/gadget/s3c-hsudc.c Kuninori Morimoto 2011-08-23 764 && usb_endpoint_maxp(desc) != ep_maxpacket(hsep)) a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 765 || !desc->wMaxPacketSize) a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 766 return -ERANGE; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 767 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 768 hsudc = hsep->dev; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 769 if (!hsudc->driver || hsudc->gadget.speed == USB_SPEED_UNKNOWN) a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 770 return -ESHUTDOWN; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 771 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 772 spin_lock_irqsave(&hsudc->lock, flags); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 773 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 774 set_index(hsudc, hsep->bEndpointAddress); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 775 ecr |= ((usb_endpoint_xfer_int(desc)) ? S3C_ECR_IEMS : S3C_ECR_DUEN); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 776 writel(ecr, hsudc->regs + S3C_ECR); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 777 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 778 hsep->stopped = hsep->wedge = 0; 955846a60a9db8 drivers/usb/gadget/s3c-hsudc.c Ido Shayevitz 2012-03-12 779 hsep->ep.desc = desc; 29cc88979a8818 drivers/usb/gadget/s3c-hsudc.c Kuninori Morimoto 2011-08-23 780 hsep->ep.maxpacket = usb_endpoint_maxp(desc); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 781 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 782 s3c_hsudc_set_halt(_ep, 0); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 @783 __set_bit(ep_index(hsep), hsudc->regs + S3C_EIER); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 784 a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 785 spin_unlock_irqrestore(&hsudc->lock, flags); a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 786 return 0; a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 787 } a9df304cf78d76 drivers/usb/gadget/s3c-hsudc.c Thomas Abraham 2011-05-07 788 :::::: The code at line 783 was first introduced by commit :::::: a9df304cf78d76108196da1ff1dad4d9a5737c2e USB: Gadget: Add Samsung S3C24XX USB High-Speed controller driver :::::: TO: Thomas Abraham <thomas.ab(a)samsung.com&gt; :::::: CC: Greg Kroah-Hartman <gregkh(a)suse.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org