tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b23c4771ff62de8ca9b5e4a2d64491b2fb6f8f69 commit: 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 usb: cdns3: make signed 1 bit bitfields unsigned date: 10 weeks ago config: parisc-randconfig-s031-20200601 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout 70d8b9e5e63d212019ba3f6823c8ec3d2df87645 # save the attached .config to linux build tree make W=1 C=1 ARCH=parisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/usb/cdns3/drd.c:43:42: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:43:42: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:43:42: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:45:42: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:45:42: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:45:42: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:47:42: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:47:42: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:47:42: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:49:42: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:49:42: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:49:42: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:71:25: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:71:25: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:71:25: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:81:30: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:81:30: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:81:30: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:114:24: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:114:24: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:114:24: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:124:48: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:124:48: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:124:48: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:141:56: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:141:56: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:141:56: 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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:144:23: sparse: expected void const volatile
[noderef] <asn:2> *addr
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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:144:23: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:144:23: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:154:29: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:154:29: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:154:29: 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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:156:17: sparse: expected void const volatile
[noderef] <asn:2> *addr
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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:156:17: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:156:17: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:178:55: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:178:55: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:178:55: 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 restricted __le32 * @@
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:182:23: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
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:197:29: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:197:29: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:197:29: 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 restricted __le32 * @@
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 restricted __le32 * @@
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:219:25: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:219:25: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:219:25: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:284:26: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:284:26: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:284:26: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:303:25: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:303:25: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:303:25: 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 [noderef] <asn:2> *[assigned] 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:327:25: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:327:25: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:327:25: 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 [noderef] <asn:2> *[assigned] 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:331:32: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:331:32: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:331:32: 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 restricted __le32 * @@
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:336:35: sparse: sparse: incorrect type in assignment
(different address spaces) @@ expected struct cdns3_otg_regs *otg_v1_regs
@@ got void [noderef] <asn:2> *[assigned] 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:339:32: sparse: sparse: incorrect type in argument 2
(different address spaces) @@ expected void volatile [noderef] <asn:2>
*addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:339:32: sparse: expected void volatile [noderef]
<asn:2> *addr
drivers/usb/cdns3/drd.c:339:32: 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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:340:17: sparse: expected void const volatile
[noderef] <asn:2> *addr
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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:340:17: sparse: expected void const volatile
[noderef] <asn:2> *addr
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> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:345:17: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:345:17: sparse: got restricted __le32 *
drivers/usb/cdns3/drd.c:368:28: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
<asn:2> *addr @@ got restricted __le32 * @@
drivers/usb/cdns3/drd.c:368:28: sparse: expected void const volatile
[noderef] <asn:2> *addr
drivers/usb/cdns3/drd.c:368:28: sparse: got restricted __le32 *
vim +336 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 336 was first introduced by commit
:::::: 7733f6c32e36ff9d7adadf40001039bf219b1cbe usb: cdns3: Add Cadence USB3
DRD Driver
:::::: TO: Pawel Laszczak <paw...@cadence.com>
:::::: CC: Felipe Balbi <felipe.ba...@linux.intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
