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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fd0584d220fe285dc45be43eede55df89ad6a3d9 commit: 106b104137fd5f0dbcafadd7ad566b86ec183466 counter: Add microchip TCB capture counter date: 4 years, 5 months ago config: sparc-randconfig-001-20241212 (https://download.01.org/0day-ci/archive/20241228/202412281402.OOqCckbG-lkp@intel.com/config) compiler: sparc-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241228/202412281402.OOqCckbG-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/202412281402.OOqCckbG-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/counter/microchip-tcb-capture.c: In function 'mchp_tc_probe': >> drivers/counter/microchip-tcb-capture.c:341:56: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 6 [-Wformat-truncation=] 341 | snprintf(clk_name, sizeof(clk_name), "t%d_clk", channel); | ^~ drivers/counter/microchip-tcb-capture.c:341:54: note: directive argument in the range [-2147483648, 2] 341 | snprintf(clk_name, sizeof(clk_name), "t%d_clk", channel); | ^~~~~~~~~ drivers/counter/microchip-tcb-capture.c:341:17: note: 'snprintf' output between 7 and 17 bytes into a destination of size 7 341 | snprintf(clk_name, sizeof(clk_name), "t%d_clk", channel); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +341 drivers/counter/microchip-tcb-capture.c 296 297 static int mchp_tc_probe(struct platform_device *pdev) 298 { 299 struct device_node *np = pdev->dev.of_node; 300 const struct atmel_tcb_config *tcb_config; 301 const struct of_device_id *match; 302 struct mchp_tc_data *priv; 303 char clk_name[7]; 304 struct regmap *regmap; 305 struct clk *clk[3]; 306 int channel; 307 int ret, i; 308 309 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 310 if (!priv) 311 return -ENOMEM; 312 313 platform_set_drvdata(pdev, priv); 314 315 match = of_match_node(atmel_tc_of_match, np->parent); 316 tcb_config = match->data; 317 if (!tcb_config) { 318 dev_err(&pdev->dev, "No matching parent node found\n"); 319 return -ENODEV; 320 } 321 322 regmap = syscon_node_to_regmap(np->parent); 323 if (IS_ERR(priv->regmap)) 324 return PTR_ERR(priv->regmap); 325 326 /* max. channels number is 2 when in QDEC mode */ 327 priv->num_channels = of_property_count_u32_elems(np, "reg"); 328 if (priv->num_channels < 0) { 329 dev_err(&pdev->dev, "Invalid or missing channel\n"); 330 return -EINVAL; 331 } 332 333 /* Register channels and initialize clocks */ 334 for (i = 0; i < priv->num_channels; i++) { 335 ret = of_property_read_u32_index(np, "reg", i, &channel); 336 if (ret < 0 || channel > 2) 337 return -ENODEV; 338 339 priv->channel[i] = channel; 340 > 341 snprintf(clk_name, sizeof(clk_name), "t%d_clk", channel); 342 343 clk[i] = of_clk_get_by_name(np->parent, clk_name); 344 if (IS_ERR(clk[i])) { 345 /* Fallback to t0_clk */ 346 clk[i] = of_clk_get_by_name(np->parent, "t0_clk"); 347 if (IS_ERR(clk[i])) 348 return PTR_ERR(clk[i]); 349 } 350 351 ret = clk_prepare_enable(clk[i]); 352 if (ret) 353 return ret; 354 355 ret = devm_add_action_or_reset(&pdev->dev, 356 mchp_tc_clk_remove, 357 clk[i]); 358 if (ret) 359 return ret; 360 361 dev_dbg(&pdev->dev, 362 "Initialized capture mode on channel %d\n", 363 channel); 364 } 365 366 priv->tc_cfg = tcb_config; 367 priv->regmap = regmap; 368 priv->counter.name = dev_name(&pdev->dev); 369 priv->counter.parent = &pdev->dev; 370 priv->counter.ops = &mchp_tc_ops; 371 priv->counter.num_counts = ARRAY_SIZE(mchp_tc_counts); 372 priv->counter.counts = mchp_tc_counts; 373 priv->counter.num_signals = ARRAY_SIZE(mchp_tc_count_signals); 374 priv->counter.signals = mchp_tc_count_signals; 375 priv->counter.priv = priv; 376 377 return devm_counter_register(&pdev->dev, &priv->counter); 378 } 379 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki