[PATCH V5] watchdog: mtk: support dual mode when the bark irq is available

[kernel test robot]

Hi Wang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on hwmon/hwmon-next]
[also build test ERROR on soc/for-next linus/master v5.12-rc8 next-20210420]
[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]

url:    https://github.com/0day-ci/linux/commits/Wang-Qing/watchdog-mtk-support-dual-mode-when-the-bark-irq-is-available/20210421-160730
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
config: mips-randconfig-r031-20210421 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d87b9b81ccb95217181ce75515c6c68bbb408ca4)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/0day-ci/linux/commit/bb28c4d8391120b54c691e2407dae46761ef69af
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Wang-Qing/watchdog-mtk-support-dual-mode-when-the-bark-irq-is-available/20210421-160730
        git checkout bb28c4d8391120b54c691e2407dae46761ef69af
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All error/warnings (new ones prefixed by >>):

>> drivers/watchdog/mtk_wdt.c:327:16: warning: missing terminating '"' character [-Winvalid-pp-token]
           dev_info(dev, "Watchdog enabled (timeout=%d sec, nowayout=%d,
                         ^
>> drivers/watchdog/mtk_wdt.c:327:16: error: expected expression
   drivers/watchdog/mtk_wdt.c:328:19: warning: missing terminating '"' character [-Winvalid-pp-token]
                    dual_mode=%d)\n", mtk_wdt->wdt_dev.timeout, nowayout, dual_mode);
                                   ^
   2 warnings and 1 error generated.


vim +327 drivers/watchdog/mtk_wdt.c

   276	
   277	static int mtk_wdt_probe(struct platform_device *pdev)
   278	{
   279		struct device *dev = &pdev->dev;
   280		struct mtk_wdt_dev *mtk_wdt;
   281		const struct mtk_wdt_data *wdt_data;
   282		int err, irq;
   283	
   284		mtk_wdt = devm_kzalloc(dev, sizeof(*mtk_wdt), GFP_KERNEL);
   285		if (!mtk_wdt)
   286			return -ENOMEM;
   287	
   288		platform_set_drvdata(pdev, mtk_wdt);
   289	
   290		mtk_wdt->wdt_base = devm_platform_ioremap_resource(pdev, 0);
   291		if (IS_ERR(mtk_wdt->wdt_base))
   292			return PTR_ERR(mtk_wdt->wdt_base);
   293	
   294		if (dual_mode) {
   295			irq = platform_get_irq(pdev, 0);
   296			if (irq > 0) {
   297				err = devm_request_irq(&pdev->dev, irq, mtk_wdt_isr, 0, "wdt_bark",
   298							&mtk_wdt->wdt_dev);
   299				if (err)
   300					return err;
   301			} else {
   302				dual_mode = 0;
   303				dev_info(&pdev->dev, "couldn't get wdt irq, set dual_mode = 0\n");
   304			}
   305		}
   306	
   307		mtk_wdt->wdt_dev.info = &mtk_wdt_info;
   308		mtk_wdt->wdt_dev.ops = &mtk_wdt_ops;
   309		mtk_wdt->wdt_dev.timeout = WDT_MAX_TIMEOUT;
   310		mtk_wdt->wdt_dev.max_hw_heartbeat_ms = WDT_MAX_TIMEOUT * 1000;
   311		mtk_wdt->wdt_dev.min_timeout = WDT_MIN_TIMEOUT;
   312		mtk_wdt->wdt_dev.parent = dev;
   313	
   314		watchdog_init_timeout(&mtk_wdt->wdt_dev, timeout, dev);
   315		watchdog_set_nowayout(&mtk_wdt->wdt_dev, nowayout);
   316		watchdog_set_restart_priority(&mtk_wdt->wdt_dev, 128);
   317	
   318		watchdog_set_drvdata(&mtk_wdt->wdt_dev, mtk_wdt);
   319	
   320		mtk_wdt_init(&mtk_wdt->wdt_dev);
   321	
   322		watchdog_stop_on_reboot(&mtk_wdt->wdt_dev);
   323		err = devm_watchdog_register_device(dev, &mtk_wdt->wdt_dev);
   324		if (unlikely(err))
   325			return err;
   326	
 > 327		dev_info(dev, "Watchdog enabled (timeout=%d sec, nowayout=%d,
   328			 dual_mode=%d)\n", mtk_wdt->wdt_dev.timeout, nowayout, dual_mode);
   329	
   330		wdt_data = of_device_get_match_data(dev);
   331		if (wdt_data) {
   332			err = toprgu_register_reset_controller(pdev,
   333							       wdt_data->toprgu_sw_rst_num);
   334			if (err)
   335				return err;
   336		}
   337		return 0;
   338	}
   339	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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