Hi Bhaumik, Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20200519] [cannot apply to linus/master v5.7-rc6 v5.7-rc5 v5.7-rc4 v5.7-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Bhaumik-Bhatt/Bug-fixes-and-bootup-and-shutdown-improvements/20200520-083400 base: fb57b1fabcb28f358901b2df90abd2b48abc1ca8 config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>, old ones prefixed by <<): >> drivers/bus/mhi/core/main.c:397:8: error: implicit declaration of function >> 'mhi_is_active' [-Werror,-Wimplicit-function-declaration] if (!mhi_is_active(mhi_cntrl)) { ^ 1 error generated. vim +/mhi_is_active +397 drivers/bus/mhi/core/main.c 371 372 irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv) 373 { 374 struct mhi_controller *mhi_cntrl = priv; 375 struct device *dev = &mhi_cntrl->mhi_dev->dev; 376 enum mhi_state state = MHI_STATE_MAX; 377 enum mhi_pm_state pm_state = 0; 378 enum mhi_ee_type ee = 0; 379 bool handle_rddm = false; 380 381 write_lock_irq(&mhi_cntrl->pm_lock); 382 if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) { 383 write_unlock_irq(&mhi_cntrl->pm_lock); 384 goto exit_intvec; 385 } 386 387 state = mhi_get_mhi_state(mhi_cntrl); 388 ee = mhi_cntrl->ee; 389 mhi_cntrl->ee = mhi_get_exec_env(mhi_cntrl); 390 dev_dbg(dev, "local ee:%s device ee:%s dev_state:%s\n", 391 TO_MHI_EXEC_STR(mhi_cntrl->ee), TO_MHI_EXEC_STR(ee), 392 TO_MHI_STATE_STR(state)); 393 394 /* If device supports RDDM don't bother processing SYS error */ 395 if (mhi_cntrl->rddm_image) { 396 /* host may be performing a device power down already */ > 397 if (!mhi_is_active(mhi_cntrl)) { 398 write_unlock_irq(&mhi_cntrl->pm_lock); 399 goto exit_intvec; 400 } 401 402 if (mhi_cntrl->ee == MHI_EE_RDDM && mhi_cntrl->ee != ee) { 403 /* prevent clients from queueing any more packets */ 404 pm_state = mhi_tryset_pm_state(mhi_cntrl, 405 MHI_PM_SYS_ERR_DETECT); 406 if (pm_state == MHI_PM_SYS_ERR_DETECT) 407 handle_rddm = true; 408 } 409 410 write_unlock_irq(&mhi_cntrl->pm_lock); 411 412 if (handle_rddm) { 413 dev_err(dev, "RDDM event occurred!\n"); 414 mhi_cntrl->status_cb(mhi_cntrl, MHI_CB_EE_RDDM); 415 wake_up_all(&mhi_cntrl->state_event); 416 } 417 goto exit_intvec; 418 } 419 420 if (state == MHI_STATE_SYS_ERR) { 421 dev_dbg(dev, "System error detected\n"); 422 pm_state = mhi_tryset_pm_state(mhi_cntrl, 423 MHI_PM_SYS_ERR_DETECT); 424 } 425 426 write_unlock_irq(&mhi_cntrl->pm_lock); 427 428 if (pm_state == MHI_PM_SYS_ERR_DETECT) { 429 wake_up_all(&mhi_cntrl->state_event); 430 431 /* For fatal errors, we let controller decide next step */ 432 if (MHI_IN_PBL(ee)) 433 mhi_cntrl->status_cb(mhi_cntrl, MHI_CB_FATAL_ERROR); 434 else 435 mhi_pm_sys_err_handler(mhi_cntrl); 436 } 437 438 exit_intvec: 439 440 return IRQ_HANDLED; 441 } 442 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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