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Lin" , Singo Chang , Nancy Lin , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com Subject: Re: [PATCH 1/2] mailbox: Add power_get/power_put API to mbox_chan_ops Message-ID: <202406150022.LXLvvkeI-lkp@intel.com> References: <20240614040133.24967-2-jason-jh.lin@mediatek.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240614040133.24967-2-jason-jh.lin@mediatek.com> Hi Jason-JH.Lin, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.10-rc3 next-20240613] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jason-JH-Lin/mailbox-Add-power_get-power_put-API-to-mbox_chan_ops/20240614-120412 base: linus/master patch link: https://lore.kernel.org/r/20240614040133.24967-2-jason-jh.lin%40mediatek.com patch subject: [PATCH 1/2] mailbox: Add power_get/power_put API to mbox_chan_ops config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240615/202406150022.LXLvvkeI-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 78ee473784e5ef6f0b19ce4cb111fb6e4d23c6b2) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240615/202406150022.LXLvvkeI-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202406150022.LXLvvkeI-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/mailbox/mailbox.c:9: In file included from include/linux/interrupt.h:21: In file included from arch/riscv/include/asm/sections.h:9: In file included from include/linux/mm.h:2253: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/mailbox/mailbox.c:382:11: error: incompatible pointer to integer conversion returning 'void *' from a function with result type 'int' [-Wint-conversion] 382 | return ERR_PTR(ret); | ^~~~~~~~~~~~ 1 warning and 1 error generated. vim +382 drivers/mailbox/mailbox.c 355 356 static int __mbox_bind_client(struct mbox_chan *chan, struct mbox_client *cl) 357 { 358 struct device *dev = cl->dev; 359 unsigned long flags; 360 int ret; 361 362 if (chan->cl || !try_module_get(chan->mbox->dev->driver->owner)) { 363 dev_dbg(dev, "%s: mailbox not free\n", __func__); 364 return -EBUSY; 365 } 366 367 spin_lock_irqsave(&chan->lock, flags); 368 chan->msg_free = 0; 369 chan->msg_count = 0; 370 chan->active_req = NULL; 371 chan->cl = cl; 372 init_completion(&chan->tx_complete); 373 374 if (chan->txdone_method == TXDONE_BY_POLL && cl->knows_txdone) 375 chan->txdone_method = TXDONE_BY_ACK; 376 377 spin_unlock_irqrestore(&chan->lock, flags); 378 379 if (chan->mbox->ops->power_get) { 380 ret = chan->mbox->ops->power_get(chan); 381 if (ret < 0) > 382 return ERR_PTR(ret); 383 } 384 385 if (chan->mbox->ops->startup) { 386 ret = chan->mbox->ops->startup(chan); 387 388 if (ret) { 389 dev_err(dev, "Unable to startup the chan (%d)\n", ret); 390 mbox_free_channel(chan); 391 return ret; 392 } 393 } 394 395 return 0; 396 } 397 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki