[kbuild-all] drivers/usb/typec/tcpm/wcove.c:380:50: sparse: sparse: incorrect type in argument 1 (different base types)

Hi Mika, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 585e5b17b92dead8a3aca4e3c9876fbca5f7e0ba commit: 25f1ca31e230598eaf3c38d387a355a64bd772a7 platform/x86: intel_pmc_ipc: Convert to MFD date: 7 months ago config: x86_64-randconfig-s022-20201113 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-107-gaf3512a6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 25f1ca31e230598eaf3c38d387a355a64bd772a7 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 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 >>)" vim +380 drivers/usb/typec/tcpm/wcove.c 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 356 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 357 static int wcove_pd_transmit(struct tcpc_dev *tcpc, 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 358 enum tcpm_transmit_type type, 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 359 const struct pd_message *msg) 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 360 { 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 361 struct wcove_typec *wcove = tcpc_to_wcove(tcpc); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 362 unsigned int info = 0; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 363 unsigned int cmd; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 364 int ret; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 365 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 366 ret = regmap_read(wcove->regmap, USBC_TXCMD, &cmd); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 367 if (ret) 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 368 return ret; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 369 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 370 if (!(cmd & USBC_TXCMD_BUF_RDY)) { 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 371 dev_warn(wcove->dev, "%s: Last transmission still ongoing!", 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 372 __func__); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 373 return -EBUSY; d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 374 } d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 375 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 376 if (msg) { 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 377 const u8 *data = (void *)msg; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 378 int i; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 379 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 @380 for (i = 0; i < pd_header_cnt(msg->header) * 4 + 2; i++) { 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 381 ret = regmap_write(wcove->regmap, USBC_TX_DATA + i, 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 382 data[i]); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 383 if (ret) 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 384 return ret; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 385 } 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 386 } d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 387 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 388 switch (type) { 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 389 case TCPC_TX_SOP: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 390 case TCPC_TX_SOP_PRIME: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 391 case TCPC_TX_SOP_PRIME_PRIME: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 392 case TCPC_TX_SOP_DEBUG_PRIME: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 393 case TCPC_TX_SOP_DEBUG_PRIME_PRIME: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 394 info = type + 1; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 395 cmd = USBC_TXCMD_MSG; d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 396 break; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 397 case TCPC_TX_HARD_RESET: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 398 cmd = USBC_TXCMD_HR; d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 399 break; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 400 case TCPC_TX_CABLE_RESET: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 401 cmd = USBC_TXCMD_CR; d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 402 break; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 403 case TCPC_TX_BIST_MODE_2: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 404 cmd = USBC_TXCMD_BIST; d2061f9cc32dbb8 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-03-21 405 break; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 406 default: 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 407 return -EINVAL; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 408 } 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 409 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 410 /* NOTE Setting maximum number of retries (7) */ 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 411 ret = regmap_write(wcove->regmap, USBC_TXINFO, 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 412 info | USBC_TXINFO_RETRIES(7)); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 413 if (ret) 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 414 return ret; 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 415 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 416 return regmap_write(wcove->regmap, USBC_TXCMD, cmd | USBC_TXCMD_START); 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 417 } 3c4fb9f16921429 drivers/usb/typec/typec_wcove.c Heikki Krogerus 2017-09-20 418 :::::: The code at line 380 was first introduced by commit :::::: 3c4fb9f169214290ec9a943907321e6265b36f65 usb: typec: wcove: start using tcpm for USB PD support :::::: TO: Heikki Krogerus <heikki.krogerus(a)linux.intel.com&gt; :::::: CC: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org