* drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings
@ 2020-05-18 13:22 kbuild test robot
2020-05-18 15:05 ` [kbuild-all] " Li, Philip
0 siblings, 1 reply; 2+ messages in thread
From: kbuild test robot @ 2020-05-18 13:22 UTC (permalink / raw)
To: Colin Ian King; +Cc: kbuild-all, linux-kernel, Greg Kroah-Hartman, Peter Chen
[-- Attachment #1: Type: text/plain, Size: 19010 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b9bbe6ed63b2b9f2c9ee5cbd0f2c946a2723f4ce
commit: 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 usb: cdns3: make signed 1 bit bitfields unsigned
date: 8 weeks ago
config: arc-randconfig-s001-20200518 (attached as .config)
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-193-gb8fad4bc-dirty
git checkout 70d8b9e5e63d212019ba3f6823c8ec3d2df87645
# save the attached .config to linux build tree
make C=1 ARCH=arc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:182:23: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:182:23: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:195:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:195:17: sparse: expected void volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:199:17: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:219:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:219:9: sparse: expected void volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:15: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:303:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:303:9: sparse: expected void volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef] <asn:2> *addr
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 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:331:17: sparse: expected void volatile [noderef] <asn:2> *addr
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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:332:17: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:332:17: 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> *addr @@ got [noderef] <asn:2> *addr @@
drivers/usb/cdns3/drd.c:332:17: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:332:17: sparse: got restricted __le32 *
>> drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings
vim +332 drivers/usb/cdns3/drd.c
7733f6c32e36ff Pawel Laszczak 2019-08-26 306
7733f6c32e36ff Pawel Laszczak 2019-08-26 307 int cdns3_drd_init(struct cdns3 *cdns)
7733f6c32e36ff Pawel Laszczak 2019-08-26 308 {
7733f6c32e36ff Pawel Laszczak 2019-08-26 309 void __iomem *regs;
7733f6c32e36ff Pawel Laszczak 2019-08-26 310 int ret = 0;
7733f6c32e36ff Pawel Laszczak 2019-08-26 311 u32 state;
7733f6c32e36ff Pawel Laszczak 2019-08-26 312
7733f6c32e36ff Pawel Laszczak 2019-08-26 313 regs = devm_ioremap_resource(cdns->dev, &cdns->otg_res);
7733f6c32e36ff Pawel Laszczak 2019-08-26 314 if (IS_ERR(regs))
7733f6c32e36ff Pawel Laszczak 2019-08-26 315 return PTR_ERR(regs);
7733f6c32e36ff Pawel Laszczak 2019-08-26 316
7733f6c32e36ff Pawel Laszczak 2019-08-26 317 /* Detection of DRD version. Controller has been released
7733f6c32e36ff Pawel Laszczak 2019-08-26 318 * in two versions. Both are similar, but they have same changes
7733f6c32e36ff Pawel Laszczak 2019-08-26 319 * in register maps.
7733f6c32e36ff Pawel Laszczak 2019-08-26 320 * The first register in old version is command register and it's read
7733f6c32e36ff Pawel Laszczak 2019-08-26 321 * only, so driver should read 0 from it. On the other hand, in v1
7733f6c32e36ff Pawel Laszczak 2019-08-26 322 * the first register contains device ID number which is not set to 0.
7733f6c32e36ff Pawel Laszczak 2019-08-26 323 * Driver uses this fact to detect the proper version of
7733f6c32e36ff Pawel Laszczak 2019-08-26 324 * controller.
7733f6c32e36ff Pawel Laszczak 2019-08-26 325 */
7733f6c32e36ff Pawel Laszczak 2019-08-26 326 cdns->otg_v0_regs = regs;
7733f6c32e36ff Pawel Laszczak 2019-08-26 327 if (!readl(&cdns->otg_v0_regs->cmd)) {
7733f6c32e36ff Pawel Laszczak 2019-08-26 328 cdns->version = CDNS3_CONTROLLER_V0;
7733f6c32e36ff Pawel Laszczak 2019-08-26 329 cdns->otg_v1_regs = NULL;
7733f6c32e36ff Pawel Laszczak 2019-08-26 330 cdns->otg_regs = regs;
7733f6c32e36ff Pawel Laszczak 2019-08-26 331 writel(1, &cdns->otg_v0_regs->simulate);
7733f6c32e36ff Pawel Laszczak 2019-08-26 @332 dev_info(cdns->dev, "DRD version v0 (%08x)\n",
7733f6c32e36ff Pawel Laszczak 2019-08-26 333 readl(&cdns->otg_v0_regs->version));
7733f6c32e36ff Pawel Laszczak 2019-08-26 334 } else {
7733f6c32e36ff Pawel Laszczak 2019-08-26 335 cdns->otg_v0_regs = NULL;
7733f6c32e36ff Pawel Laszczak 2019-08-26 336 cdns->otg_v1_regs = regs;
7733f6c32e36ff Pawel Laszczak 2019-08-26 337 cdns->otg_regs = (void *)&cdns->otg_v1_regs->cmd;
7733f6c32e36ff Pawel Laszczak 2019-08-26 338 cdns->version = CDNS3_CONTROLLER_V1;
7733f6c32e36ff Pawel Laszczak 2019-08-26 339 writel(1, &cdns->otg_v1_regs->simulate);
7733f6c32e36ff Pawel Laszczak 2019-08-26 340 dev_info(cdns->dev, "DRD version v1 (ID: %08x, rev: %08x)\n",
7733f6c32e36ff Pawel Laszczak 2019-08-26 341 readl(&cdns->otg_v1_regs->did),
7733f6c32e36ff Pawel Laszczak 2019-08-26 342 readl(&cdns->otg_v1_regs->rid));
7733f6c32e36ff Pawel Laszczak 2019-08-26 343 }
7733f6c32e36ff Pawel Laszczak 2019-08-26 344
7733f6c32e36ff Pawel Laszczak 2019-08-26 345 state = OTGSTS_STRAP(readl(&cdns->otg_regs->sts));
7733f6c32e36ff Pawel Laszczak 2019-08-26 346
7733f6c32e36ff Pawel Laszczak 2019-08-26 347 /* Update dr_mode according to STRAP configuration. */
7733f6c32e36ff Pawel Laszczak 2019-08-26 348 cdns->dr_mode = USB_DR_MODE_OTG;
7733f6c32e36ff Pawel Laszczak 2019-08-26 349 if (state == OTGSTS_STRAP_HOST) {
7733f6c32e36ff Pawel Laszczak 2019-08-26 350 dev_dbg(cdns->dev, "Controller strapped to HOST\n");
7733f6c32e36ff Pawel Laszczak 2019-08-26 351 cdns->dr_mode = USB_DR_MODE_HOST;
7733f6c32e36ff Pawel Laszczak 2019-08-26 352 } else if (state == OTGSTS_STRAP_GADGET) {
7733f6c32e36ff Pawel Laszczak 2019-08-26 353 dev_dbg(cdns->dev, "Controller strapped to PERIPHERAL\n");
7733f6c32e36ff Pawel Laszczak 2019-08-26 354 cdns->dr_mode = USB_DR_MODE_PERIPHERAL;
7733f6c32e36ff Pawel Laszczak 2019-08-26 355 }
7733f6c32e36ff Pawel Laszczak 2019-08-26 356
7733f6c32e36ff Pawel Laszczak 2019-08-26 357 ret = devm_request_threaded_irq(cdns->dev, cdns->otg_irq,
7733f6c32e36ff Pawel Laszczak 2019-08-26 358 cdns3_drd_irq,
7733f6c32e36ff Pawel Laszczak 2019-08-26 359 cdns3_drd_thread_irq,
7733f6c32e36ff Pawel Laszczak 2019-08-26 360 IRQF_SHARED,
7733f6c32e36ff Pawel Laszczak 2019-08-26 361 dev_name(cdns->dev), cdns);
7733f6c32e36ff Pawel Laszczak 2019-08-26 362
7733f6c32e36ff Pawel Laszczak 2019-08-26 363 if (ret) {
7733f6c32e36ff Pawel Laszczak 2019-08-26 364 dev_err(cdns->dev, "couldn't get otg_irq\n");
7733f6c32e36ff Pawel Laszczak 2019-08-26 365 return ret;
7733f6c32e36ff Pawel Laszczak 2019-08-26 366 }
7733f6c32e36ff Pawel Laszczak 2019-08-26 367
7733f6c32e36ff Pawel Laszczak 2019-08-26 368 state = readl(&cdns->otg_regs->sts);
7733f6c32e36ff Pawel Laszczak 2019-08-26 369 if (OTGSTS_OTG_NRDY(state) != 0) {
7733f6c32e36ff Pawel Laszczak 2019-08-26 370 dev_err(cdns->dev, "Cadence USB3 OTG device not ready\n");
7733f6c32e36ff Pawel Laszczak 2019-08-26 371 return -ENODEV;
7733f6c32e36ff Pawel Laszczak 2019-08-26 372 }
7733f6c32e36ff Pawel Laszczak 2019-08-26 373
7733f6c32e36ff Pawel Laszczak 2019-08-26 374 return ret;
7733f6c32e36ff Pawel Laszczak 2019-08-26 375 }
7733f6c32e36ff Pawel Laszczak 2019-08-26 376
:::::: The code at line 332 was first introduced by commit
:::::: 7733f6c32e36ff9d7adadf40001039bf219b1cbe usb: cdns3: Add Cadence USB3 DRD Driver
:::::: TO: Pawel Laszczak <pawell@cadence.com>
:::::: CC: Felipe Balbi <felipe.balbi@linux.intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 29514 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* RE: [kbuild-all] drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings
2020-05-18 13:22 drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings kbuild test robot
@ 2020-05-18 15:05 ` Li, Philip
0 siblings, 0 replies; 2+ messages in thread
From: Li, Philip @ 2020-05-18 15:05 UTC (permalink / raw)
To: lkp, Colin Ian King
Cc: kbuild-all, linux-kernel, Greg Kroah-Hartman, Peter Chen
> Subject: [kbuild-all] drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many
> warnings
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: b9bbe6ed63b2b9f2c9ee5cbd0f2c946a2723f4ce
> commit: 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 usb: cdns3: make signed
> 1 bit bitfields unsigned
> date: 8 weeks ago
> config: arc-randconfig-s001-20200518 (attached as .config)
> reproduce:
> # apt-get install sparse
> # sparse version: v0.6.1-193-gb8fad4bc-dirty
> git checkout 70d8b9e5e63d212019ba3f6823c8ec3d2df87645
> # save the attached .config to linux build tree
> make C=1 ARCH=arc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kbuild test robot <lkp@intel.com>
>
>
> sparse warnings: (new ones prefixed by >>)
Sorry, kindly ignore this, which is a false positive.
>
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:182:23: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:182:23: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:195:17: sparse: sparse: incorrect type in argument 2
> (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr
> @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:195:17: sparse: expected void volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:199:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:199:17: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:219:9: sparse: sparse: incorrect type in argument 2
> (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr
> @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:219:9: sparse: expected void volatile [noderef] <asn:2>
> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:284:15: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:284:15: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:303:9: sparse: sparse: incorrect type in argument 2
> (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr
> @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:303:9: sparse: expected void volatile [noderef] <asn:2>
> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1
> (different address spaces) @@ expected void const volatile [noderef] <asn:2>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1
> (different address spaces) @@ expected void const volatile [noderef] <asn:2>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1
> (different address spaces) @@ expected void const volatile [noderef] <asn:2>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1
> (different address spaces) @@ expected void const volatile [noderef] <asn:2>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:327:14: sparse: got restricted __le32 *
> drivers/usb/cdns3/drd.c:327:14: sparse: sparse: incorrect type in argument 1
> (different address spaces) @@ expected void const volatile [noderef] <asn:2>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:327:14: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> 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 2
> (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr
> @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:331:17: sparse: expected void volatile [noderef]
> <asn:2> *addr
> 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:332:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:332:17: 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>
> *addr @@ got [noderef] <asn:2> *addr @@
> drivers/usb/cdns3/drd.c:332:17: sparse: expected void const volatile [noderef]
> <asn:2> *addr
> drivers/usb/cdns3/drd.c:332:17: sparse: got restricted __le32 *
> >> drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings
>
> vim +332 drivers/usb/cdns3/drd.c
>
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 306
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 307 int cdns3_drd_init(struct cdns3
> *cdns)
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 308 {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 309 void __iomem *regs;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 310 int ret = 0;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 311 u32 state;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 312
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 313 regs =
> devm_ioremap_resource(cdns->dev, &cdns->otg_res);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 314 if (IS_ERR(regs))
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 315 return
> PTR_ERR(regs);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 316
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 317 /* Detection of DRD
> version. Controller has been released
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 318 * in two versions. Both
> are similar, but they have same changes
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 319 * in register maps.
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 320 * The first register in old
> version is command register and it's read
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 321 * only, so driver should
> read 0 from it. On the other hand, in v1
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 322 * the first register
> contains device ID number which is not set to 0.
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 323 * Driver uses this fact to
> detect the proper version of
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 324 * controller.
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 325 */
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 326 cdns->otg_v0_regs =
> regs;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 327 if (!readl(&cdns-
> >otg_v0_regs->cmd)) {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 328 cdns->version =
> CDNS3_CONTROLLER_V0;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 329 cdns-
> >otg_v1_regs = NULL;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 330 cdns->otg_regs =
> regs;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 331 writel(1, &cdns-
> >otg_v0_regs->simulate);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 @332 dev_info(cdns-
> >dev, "DRD version v0 (%08x)\n",
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 333
> readl(&cdns->otg_v0_regs->version));
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 334 } else {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 335 cdns-
> >otg_v0_regs = NULL;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 336 cdns-
> >otg_v1_regs = regs;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 337 cdns->otg_regs =
> (void *)&cdns->otg_v1_regs->cmd;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 338 cdns->version =
> CDNS3_CONTROLLER_V1;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 339 writel(1, &cdns-
> >otg_v1_regs->simulate);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 340 dev_info(cdns-
> >dev, "DRD version v1 (ID: %08x, rev: %08x)\n",
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 341
> readl(&cdns->otg_v1_regs->did),
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 342
> readl(&cdns->otg_v1_regs->rid));
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 343 }
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 344
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 345 state =
> OTGSTS_STRAP(readl(&cdns->otg_regs->sts));
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 346
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 347 /* Update dr_mode
> according to STRAP configuration. */
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 348 cdns->dr_mode =
> USB_DR_MODE_OTG;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 349 if (state ==
> OTGSTS_STRAP_HOST) {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 350 dev_dbg(cdns-
> >dev, "Controller strapped to HOST\n");
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 351 cdns->dr_mode =
> USB_DR_MODE_HOST;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 352 } else if (state ==
> OTGSTS_STRAP_GADGET) {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 353 dev_dbg(cdns-
> >dev, "Controller strapped to PERIPHERAL\n");
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 354 cdns->dr_mode =
> USB_DR_MODE_PERIPHERAL;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 355 }
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 356
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 357 ret =
> devm_request_threaded_irq(cdns->dev, cdns->otg_irq,
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 358
> cdns3_drd_irq,
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 359
> cdns3_drd_thread_irq,
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 360
> IRQF_SHARED,
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 361
> dev_name(cdns->dev), cdns);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 362
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 363 if (ret) {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 364 dev_err(cdns-
> >dev, "couldn't get otg_irq\n");
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 365 return ret;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 366 }
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 367
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 368 state = readl(&cdns-
> >otg_regs->sts);
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 369 if
> (OTGSTS_OTG_NRDY(state) != 0) {
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 370 dev_err(cdns-
> >dev, "Cadence USB3 OTG device not ready\n");
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 371 return -ENODEV;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 372 }
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 373
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 374 return ret;
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 375 }
> 7733f6c32e36ff Pawel Laszczak 2019-08-26 376
>
> :::::: The code at line 332 was first introduced by commit
> :::::: 7733f6c32e36ff9d7adadf40001039bf219b1cbe usb: cdns3: Add Cadence
> USB3 DRD Driver
>
> :::::: TO: Pawel Laszczak <pawell@cadence.com>
> :::::: CC: Felipe Balbi <felipe.balbi@linux.intel.com>
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-05-18 15:05 UTC | newest]
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2020-05-18 13:22 drivers/usb/cdns3/drd.c:332:17: sparse: sparse: too many warnings kbuild test robot
2020-05-18 15:05 ` [kbuild-all] " Li, Philip
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