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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git wdt/no-register-err head: c462756b3b70c001e5920601aa078ef3731fc291 commit: c462756b3b70c001e5920601aa078ef3731fc291 [6/6] watchdog: visconti: don't print superfluous errors config: x86_64-buildonly-randconfig-001-20250812 (https://download.01.org/0day-ci/archive/20250813/202508130035.9LtioUyg-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250813/202508130035.9LtioUyg-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/202508130035.9LtioUyg-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/watchdog/visconti_wdt.c:121:6: warning: unused variable 'ret' [-Wunused-variable] 121 | int ret; | ^~~ 1 warning generated. vim +/ret +121 drivers/watchdog/visconti_wdt.c c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 114 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 115 static int visconti_wdt_probe(struct platform_device *pdev) c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 116 { c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 117 struct watchdog_device *wdev; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 118 struct visconti_wdt_priv *priv; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 119 struct device *dev = &pdev->dev; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 120 struct clk *clk; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 @121 int ret; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 122 unsigned long clk_freq; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 123 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 124 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 125 if (!priv) c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 126 return -ENOMEM; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 127 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 128 priv->base = devm_platform_ioremap_resource(pdev, 0); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 129 if (IS_ERR(priv->base)) c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 130 return PTR_ERR(priv->base); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 131 8c5210dbdf7e92 Christophe JAILLET 2022-12-30 132 clk = devm_clk_get_enabled(dev, NULL); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 133 if (IS_ERR(clk)) c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 134 return dev_err_probe(dev, PTR_ERR(clk), "Could not get clock\n"); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 135 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 136 clk_freq = clk_get_rate(clk); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 137 if (!clk_freq) c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 138 return -EINVAL; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 139 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 140 priv->div = clk_freq / VISCONTI_WDT_FREQ; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 141 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 142 /* Initialize struct watchdog_device. */ c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 143 wdev = &priv->wdev; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 144 wdev->info = &visconti_wdt_info; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 145 wdev->ops = &visconti_wdt_ops; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 146 wdev->parent = dev; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 147 wdev->min_timeout = 1; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 148 wdev->max_timeout = 0xffffffff / VISCONTI_WDT_FREQ; c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 149 wdev->timeout = min(wdev->max_timeout, WDT_DEFAULT_TIMEOUT); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 150 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 151 watchdog_set_drvdata(wdev, priv); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 152 watchdog_set_nowayout(wdev, nowayout); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 153 watchdog_stop_on_unregister(wdev); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 154 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 155 /* This overrides the default timeout only if DT configuration was found */ c462756b3b70c0 Wolfram Sang 2025-08-12 156 watchdog_init_timeout(wdev, 0, dev); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 157 c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 158 return devm_watchdog_register_device(dev, wdev); c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 159 } c5b8e4644607b0 Nobuhiro Iwamatsu 2020-10-05 160 :::::: The code at line 121 was first introduced by commit :::::: c5b8e4644607b0319fd86a36fb0caad54ee2021e watchdog: Add Toshiba Visconti watchdog driver :::::: TO: Nobuhiro Iwamatsu :::::: CC: Wim Van Sebroeck -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki