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X-IronPort-AV: E=McAfee;i="6600,9927,10982"; a="5746960" X-IronPort-AV: E=Sophos;i="6.06,159,1705392000"; d="scan'208";a="5746960" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2024 22:35:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,159,1705392000"; d="scan'208";a="7756423" Received: from lkp-server01.sh.intel.com (HELO 01f0647817ea) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 13 Feb 2024 22:35:17 -0800 Received: from kbuild by 01f0647817ea with local (Exim 4.96) (envelope-from ) id 1ra8rS-0008XO-0i; Wed, 14 Feb 2024 06:35:14 +0000 Date: Wed, 14 Feb 2024 14:34:44 +0800 From: kernel test robot To: Sakari Ailus Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-media@vger.kernel.org Subject: [sailus-media-tree:ipu6 65/67] drivers/misc/mei/platform-vsc.c:304:42: warning: unknown escape sequence 'xFFFFFFC5' Message-ID: <202402141409.ivNcqTdP-lkp@intel.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit tree: git://linuxtv.org/sailus/media_tree.git ipu6 head: ccfe5fafd33d1b056e3ab93de494cd877a5783a2 commit: b6eaf785293ecd8deb07ddf9a178d10612340e86 [65/67] debug config: i386-randconfig-016-20240214 (https://download.01.org/0day-ci/archive/20240214/202402141409.ivNcqTdP-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240214/202402141409.ivNcqTdP-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/202402141409.ivNcqTdP-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/misc/mei/platform-vsc.c:304:42: warning: unknown escape sequence '\xFFFFFFC5' [-Wunknown-escape-sequence] 304 | dev_warn(mei_dev->dev, "mei vsc event cb\ņ"); | ^ include/linux/dev_printk.h:146:62: note: expanded from macro 'dev_warn' 146 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/dev_printk.h:19:22: note: expanded from macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ include/linux/dev_printk.h:110:16: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ >> drivers/misc/mei/platform-vsc.c:304:44: warning: illegal character encoding in string literal [-Winvalid-source-encoding] 304 | dev_warn(mei_dev->dev, "mei vsc event cb\ņ"); | ^ include/linux/dev_printk.h:146:62: note: expanded from macro 'dev_warn' 146 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/dev_printk.h:19:22: note: expanded from macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ include/linux/dev_printk.h:110:16: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ drivers/misc/mei/platform-vsc.c:333:46: warning: unknown escape sequence '\xFFFFFFC5' [-Wunknown-escape-sequence] 333 | dev_warn(mei_dev->dev, "mei vsc event cb end\ņ"); | ^ include/linux/dev_printk.h:146:62: note: expanded from macro 'dev_warn' 146 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/dev_printk.h:19:22: note: expanded from macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ include/linux/dev_printk.h:110:16: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ drivers/misc/mei/platform-vsc.c:333:48: warning: illegal character encoding in string literal [-Winvalid-source-encoding] 333 | dev_warn(mei_dev->dev, "mei vsc event cb end\ņ"); | ^ include/linux/dev_printk.h:146:62: note: expanded from macro 'dev_warn' 146 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/dev_printk.h:19:22: note: expanded from macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ include/linux/dev_printk.h:110:16: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ 4 warnings generated. vim +/xFFFFFFC5 +304 drivers/misc/mei/platform-vsc.c 291 292 static void mei_vsc_event_cb(void *context) 293 { 294 struct mei_device *mei_dev = context; 295 struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev); 296 struct list_head cmpl_list; 297 s32 slots; 298 int ret; 299 300 if (mei_dev->dev_state == MEI_DEV_RESETTING || 301 mei_dev->dev_state == MEI_DEV_INITIALIZING) 302 return; 303 > 304 dev_warn(mei_dev->dev, "mei vsc event cb\ņ"); 305 306 INIT_LIST_HEAD(&cmpl_list); 307 308 guard(mutex)(&mei_dev->device_lock); 309 310 while (vsc_tp_need_read(hw->tp)) { 311 /* check slots available for reading */ 312 slots = mei_count_full_read_slots(mei_dev); 313 314 ret = mei_irq_read_handler(mei_dev, &cmpl_list, &slots); 315 if (ret) { 316 if (ret != -ENODATA) { 317 if (mei_dev->dev_state != MEI_DEV_RESETTING && 318 mei_dev->dev_state != MEI_DEV_POWER_DOWN) 319 schedule_work(&mei_dev->reset_work); 320 } 321 322 return; 323 } 324 } 325 326 mei_dev->hbuf_is_ready = mei_hbuf_is_ready(mei_dev); 327 ret = mei_irq_write_handler(mei_dev, &cmpl_list); 328 if (ret) 329 dev_err(mei_dev->dev, "dispatch write request failed: %d\n", ret); 330 331 mei_dev->hbuf_is_ready = mei_hbuf_is_ready(mei_dev); 332 mei_irq_compl_handler(mei_dev, &cmpl_list); 333 dev_warn(mei_dev->dev, "mei vsc event cb end\ņ"); 334 } 335 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki