tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9cb1fd0efd195590b828b9b865421ad345a4a145 commit: 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 usb: cdns3: make signed 1 bit bitfields unsigned date: 9 weeks ago config: sh-randconfig-s032-20200526 (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-240-gf0fe1cd9-dirty git checkout 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 # save the attached .config to linux build tree make W=1 C=1 ARCH=sh CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) ./arch/sh/include/generated/uapi/asm/unistd_32.h:411:37: sparse: sparse: no newline at end of file drivers/usb/cdns3/drd.c:43:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:43:31: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:45:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:45:25: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:45:25: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:47:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:47:31: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:47:31: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:49:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:49:25: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:49:25: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:71:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:71:14: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:71:14: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:81:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:81:19: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:81:19: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:114:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:114:9: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:114:9: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:123:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:123:9: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:123:9: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:141:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:141:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:141:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:144:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:144:23: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:144:23: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:144:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:144:23: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:144:23: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:152:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:152:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:152:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:156:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:156:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:156:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:156:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:156:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:156:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:178:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:178:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:178:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:182:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:182:23: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:182:23: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:182:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:182:23: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:182:23: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:195:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:195:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:195:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:199:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:199:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:199:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:199:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:219:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:219:9: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:219:9: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:284:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:284:15: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:303:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:303:9: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:303:9: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:326:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cdns3_otg_legacy_regs *otg_v0_regs @@ got void struct cdns3_otg_legacy_regs *otg_v0_regs @@ drivers/usb/cdns3/drd.c:326:27: sparse: expected struct cdns3_otg_legacy_regs *otg_v0_regs drivers/usb/cdns3/drd.c:326:27: sparse: got void [noderef] <asn:2> *[assigned] regs drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:330:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cdns3_otg_common_regs *otg_regs @@ got void struct cdns3_otg_common_regs *otg_regs @@ drivers/usb/cdns3/drd.c:330:32: sparse: expected struct cdns3_otg_common_regs *otg_regs drivers/usb/cdns3/drd.c:330:32: sparse: got void [noderef] <asn:2> *[assigned] regs drivers/usb/cdns3/drd.c:331:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:331:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:331:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:332:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:332:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:332:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:336:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cdns3_otg_regs *otg_v1_regs @@ got void [noderestruct cdns3_otg_regs *otg_v1_regs @@ drivers/usb/cdns3/drd.c:336:35: sparse: expected struct cdns3_otg_regs *otg_v1_regs drivers/usb/cdns3/drd.c:336:35: sparse: got void [noderef] <asn:2> *[assigned] regs drivers/usb/cdns3/drd.c:339:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:339:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:339:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:340:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:340:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:340:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:340:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:340:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:340:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:345:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:345:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:345:17: sparse: got restricted __le32 * drivers/usb/cdns3/drd.c:368:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> * @@ got [noderef] <asn:2> * @@ drivers/usb/cdns3/drd.c:368:17: sparse: expected void const volatile [noderef] <asn:2> * drivers/usb/cdns3/drd.c:368:17: sparse: got restricted __le32 * vim +43 drivers/usb/cdns3/drd.c 7733f6c32e36ff Pawel Laszczak 2019-08-26 22 7733f6c32e36ff Pawel Laszczak 2019-08-26 23 /** 7733f6c32e36ff Pawel Laszczak 2019-08-26 24 * cdns3_set_mode - change mode of OTG Core 7733f6c32e36ff Pawel Laszczak 2019-08-26 25 * @cdns: pointer to context structure 7733f6c32e36ff Pawel Laszczak 2019-08-26 26 * @mode: selected mode from cdns_role 7733f6c32e36ff Pawel Laszczak 2019-08-26 27 * 7733f6c32e36ff Pawel Laszczak 2019-08-26 28 * Returns 0 on success otherwise negative errno 7733f6c32e36ff Pawel Laszczak 2019-08-26 29 */ 7733f6c32e36ff Pawel Laszczak 2019-08-26 30 int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) 7733f6c32e36ff Pawel Laszczak 2019-08-26 31 { 7733f6c32e36ff Pawel Laszczak 2019-08-26 32 int ret = 0; 7733f6c32e36ff Pawel Laszczak 2019-08-26 33 u32 reg; 7733f6c32e36ff Pawel Laszczak 2019-08-26 34 7733f6c32e36ff Pawel Laszczak 2019-08-26 35 switch (mode) { 7733f6c32e36ff Pawel Laszczak 2019-08-26 36 case USB_DR_MODE_PERIPHERAL: 7733f6c32e36ff Pawel Laszczak 2019-08-26 37 break; 7733f6c32e36ff Pawel Laszczak 2019-08-26 38 case USB_DR_MODE_HOST: 7733f6c32e36ff Pawel Laszczak 2019-08-26 39 break; 7733f6c32e36ff Pawel Laszczak 2019-08-26 40 case USB_DR_MODE_OTG: 7733f6c32e36ff Pawel Laszczak 2019-08-26 41 dev_dbg(cdns->dev, "Set controller to OTG mode\n"); 7733f6c32e36ff Pawel Laszczak 2019-08-26 42 if (cdns->version == CDNS3_CONTROLLER_V1) { 7733f6c32e36ff Pawel Laszczak 2019-08-26 @43 reg = readl(&cdns->otg_v1_regs->override); 7733f6c32e36ff Pawel Laszczak 2019-08-26 44 reg |= OVERRIDE_IDPULLUP; 7733f6c32e36ff Pawel Laszczak 2019-08-26 45 writel(reg, &cdns->otg_v1_regs->override); 7733f6c32e36ff Pawel Laszczak 2019-08-26 46 } else { 7733f6c32e36ff Pawel Laszczak 2019-08-26 47 reg = readl(&cdns->otg_v0_regs->ctrl1); 7733f6c32e36ff Pawel Laszczak 2019-08-26 48 reg |= OVERRIDE_IDPULLUP_V0; 7733f6c32e36ff Pawel Laszczak 2019-08-26 49 writel(reg, &cdns->otg_v0_regs->ctrl1); 7733f6c32e36ff Pawel Laszczak 2019-08-26 50 } 7733f6c32e36ff Pawel Laszczak 2019-08-26 51 7733f6c32e36ff Pawel Laszczak 2019-08-26 52 /* 7733f6c32e36ff Pawel Laszczak 2019-08-26 53 * Hardware specification says: "ID_VALUE must be valid within 7733f6c32e36ff Pawel Laszczak 2019-08-26 54 * 50ms after idpullup is set to '1" so driver must wait 7733f6c32e36ff Pawel Laszczak 2019-08-26 55 * 50ms before reading this pin. 7733f6c32e36ff Pawel Laszczak 2019-08-26 56 */ 7733f6c32e36ff Pawel Laszczak 2019-08-26 57 usleep_range(50000, 60000); 7733f6c32e36ff Pawel Laszczak 2019-08-26 58 break; 7733f6c32e36ff Pawel Laszczak 2019-08-26 59 default: 7733f6c32e36ff Pawel Laszczak 2019-08-26 60 dev_err(cdns->dev, "Unsupported mode of operation %d\n", mode); 7733f6c32e36ff Pawel Laszczak 2019-08-26 61 return -EINVAL; 7733f6c32e36ff Pawel Laszczak 2019-08-26 62 } 7733f6c32e36ff Pawel Laszczak 2019-08-26 63 7733f6c32e36ff Pawel Laszczak 2019-08-26 64 return ret; 7733f6c32e36ff Pawel Laszczak 2019-08-26 65 } 7733f6c32e36ff Pawel Laszczak 2019-08-26 66 :::::: The code at line 43 was first introduced by commit :::::: 7733f6c32e36ff9d7adadf40001039bf219b1cbe usb: cdns3: Add Cadence USB3 DRD Driver :::::: TO: Pawel Laszczak <pawell(a)cadence.com&gt; :::::: CC: Felipe Balbi <felipe.balbi(a)linux.intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org