Re: [PATCH] pinctrl: ingenic: add missing call to of_node_put()

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Hi Yang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pinctrl/devel]
[also build test WARNING on v5.11 next-20210225]
[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/Yang-Li/pinctrl-ingenic-add-missing-call-to-of_node_put/20210225-172351
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: powerpc64-randconfig-r002-20210225 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a921aaf789912d981cbb2036bdc91ad7289e1523)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/0day-ci/linux/commit/a13ac5c50a5b918ce628d5c61cf4b4f9a79759c2
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Yang-Li/pinctrl-ingenic-add-missing-call-to-of_node_put/20210225-172351
        git checkout a13ac5c50a5b918ce628d5c61cf4b4f9a79759c2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/pinctrl/pinctrl-ingenic.c:2490:5: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation]
                                   return err;
                                   ^
   drivers/pinctrl/pinctrl-ingenic.c:2488:4: note: previous statement is here
                           if (err)
                           ^
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on SMP && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE
   Selected by
   - PM_SLEEP_SMP && SMP && (ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE && PM_SLEEP


vim +/if +2490 drivers/pinctrl/pinctrl-ingenic.c

e72394e2ea196a Paul Cercueil 2018-08-21  2393  
4717b11f80cf81 Paul Cercueil 2018-08-21  2394  static int __init ingenic_pinctrl_probe(struct platform_device *pdev)
b5c23aa4653796 Paul Cercueil 2017-05-12  2395  {
b5c23aa4653796 Paul Cercueil 2017-05-12  2396  	struct device *dev = &pdev->dev;
b5c23aa4653796 Paul Cercueil 2017-05-12  2397  	struct ingenic_pinctrl *jzpc;
b5c23aa4653796 Paul Cercueil 2017-05-12  2398  	struct pinctrl_desc *pctl_desc;
b5c23aa4653796 Paul Cercueil 2017-05-12  2399  	void __iomem *base;
b5c23aa4653796 Paul Cercueil 2017-05-12  2400  	const struct ingenic_chip_info *chip_info;
e72394e2ea196a Paul Cercueil 2018-08-21  2401  	struct device_node *node;
b5c23aa4653796 Paul Cercueil 2017-05-12  2402  	unsigned int i;
b5c23aa4653796 Paul Cercueil 2017-05-12  2403  	int err;
b5c23aa4653796 Paul Cercueil 2017-05-12  2404  
9aa351784e6962 Paul Cercueil 2020-12-13  2405  	chip_info = of_device_get_match_data(dev);
9aa351784e6962 Paul Cercueil 2020-12-13  2406  	if (!chip_info) {
9aa351784e6962 Paul Cercueil 2020-12-13  2407  		dev_err(dev, "Unsupported SoC\n");
9aa351784e6962 Paul Cercueil 2020-12-13  2408  		return -EINVAL;
9aa351784e6962 Paul Cercueil 2020-12-13  2409  	}
9aa351784e6962 Paul Cercueil 2020-12-13  2410  
b5c23aa4653796 Paul Cercueil 2017-05-12  2411  	jzpc = devm_kzalloc(dev, sizeof(*jzpc), GFP_KERNEL);
b5c23aa4653796 Paul Cercueil 2017-05-12  2412  	if (!jzpc)
b5c23aa4653796 Paul Cercueil 2017-05-12  2413  		return -ENOMEM;
b5c23aa4653796 Paul Cercueil 2017-05-12  2414  
94f7a2cb42bf7a Paul Cercueil 2020-01-07  2415  	base = devm_platform_ioremap_resource(pdev, 0);
119fcf47fdb7c6 Wei Yongjun   2018-01-17  2416  	if (IS_ERR(base))
b5c23aa4653796 Paul Cercueil 2017-05-12  2417  		return PTR_ERR(base);
b5c23aa4653796 Paul Cercueil 2017-05-12  2418  
b5c23aa4653796 Paul Cercueil 2017-05-12  2419  	jzpc->map = devm_regmap_init_mmio(dev, base,
b5c23aa4653796 Paul Cercueil 2017-05-12  2420  			&ingenic_pinctrl_regmap_config);
b5c23aa4653796 Paul Cercueil 2017-05-12  2421  	if (IS_ERR(jzpc->map)) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2422  		dev_err(dev, "Failed to create regmap\n");
b5c23aa4653796 Paul Cercueil 2017-05-12  2423  		return PTR_ERR(jzpc->map);
b5c23aa4653796 Paul Cercueil 2017-05-12  2424  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2425  
b5c23aa4653796 Paul Cercueil 2017-05-12  2426  	jzpc->dev = dev;
9aa351784e6962 Paul Cercueil 2020-12-13  2427  	jzpc->info = chip_info;
b5c23aa4653796 Paul Cercueil 2017-05-12  2428  
b5c23aa4653796 Paul Cercueil 2017-05-12  2429  	pctl_desc = devm_kzalloc(&pdev->dev, sizeof(*pctl_desc), GFP_KERNEL);
b5c23aa4653796 Paul Cercueil 2017-05-12  2430  	if (!pctl_desc)
b5c23aa4653796 Paul Cercueil 2017-05-12  2431  		return -ENOMEM;
b5c23aa4653796 Paul Cercueil 2017-05-12  2432  
b5c23aa4653796 Paul Cercueil 2017-05-12  2433  	/* fill in pinctrl_desc structure */
b5c23aa4653796 Paul Cercueil 2017-05-12  2434  	pctl_desc->name = dev_name(dev);
b5c23aa4653796 Paul Cercueil 2017-05-12  2435  	pctl_desc->owner = THIS_MODULE;
b5c23aa4653796 Paul Cercueil 2017-05-12  2436  	pctl_desc->pctlops = &ingenic_pctlops;
b5c23aa4653796 Paul Cercueil 2017-05-12  2437  	pctl_desc->pmxops = &ingenic_pmxops;
b5c23aa4653796 Paul Cercueil 2017-05-12  2438  	pctl_desc->confops = &ingenic_confops;
b5c23aa4653796 Paul Cercueil 2017-05-12  2439  	pctl_desc->npins = chip_info->num_chips * PINS_PER_GPIO_CHIP;
a86854d0c599b3 Kees Cook     2018-06-12  2440  	pctl_desc->pins = jzpc->pdesc = devm_kcalloc(&pdev->dev,
a86854d0c599b3 Kees Cook     2018-06-12  2441  			pctl_desc->npins, sizeof(*jzpc->pdesc), GFP_KERNEL);
b5c23aa4653796 Paul Cercueil 2017-05-12  2442  	if (!jzpc->pdesc)
b5c23aa4653796 Paul Cercueil 2017-05-12  2443  		return -ENOMEM;
b5c23aa4653796 Paul Cercueil 2017-05-12  2444  
b5c23aa4653796 Paul Cercueil 2017-05-12  2445  	for (i = 0; i < pctl_desc->npins; i++) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2446  		jzpc->pdesc[i].number = i;
b5c23aa4653796 Paul Cercueil 2017-05-12  2447  		jzpc->pdesc[i].name = kasprintf(GFP_KERNEL, "P%c%d",
b5c23aa4653796 Paul Cercueil 2017-05-12  2448  						'A' + (i / PINS_PER_GPIO_CHIP),
b5c23aa4653796 Paul Cercueil 2017-05-12  2449  						i % PINS_PER_GPIO_CHIP);
b5c23aa4653796 Paul Cercueil 2017-05-12  2450  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2451  
b5c23aa4653796 Paul Cercueil 2017-05-12  2452  	jzpc->pctl = devm_pinctrl_register(dev, pctl_desc, jzpc);
e7f4c4bf99ad5e Dan Carpenter 2017-06-14  2453  	if (IS_ERR(jzpc->pctl)) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2454  		dev_err(dev, "Failed to register pinctrl\n");
e7f4c4bf99ad5e Dan Carpenter 2017-06-14  2455  		return PTR_ERR(jzpc->pctl);
b5c23aa4653796 Paul Cercueil 2017-05-12  2456  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2457  
b5c23aa4653796 Paul Cercueil 2017-05-12  2458  	for (i = 0; i < chip_info->num_groups; i++) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2459  		const struct group_desc *group = &chip_info->groups[i];
b5c23aa4653796 Paul Cercueil 2017-05-12  2460  
b5c23aa4653796 Paul Cercueil 2017-05-12  2461  		err = pinctrl_generic_add_group(jzpc->pctl, group->name,
b5c23aa4653796 Paul Cercueil 2017-05-12  2462  				group->pins, group->num_pins, group->data);
823dd71f58eb21 Paul Burton   2018-08-25  2463  		if (err < 0) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2464  			dev_err(dev, "Failed to register group %s\n",
b5c23aa4653796 Paul Cercueil 2017-05-12  2465  					group->name);
b5c23aa4653796 Paul Cercueil 2017-05-12  2466  			return err;
b5c23aa4653796 Paul Cercueil 2017-05-12  2467  		}
b5c23aa4653796 Paul Cercueil 2017-05-12  2468  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2469  
b5c23aa4653796 Paul Cercueil 2017-05-12  2470  	for (i = 0; i < chip_info->num_functions; i++) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2471  		const struct function_desc *func = &chip_info->functions[i];
b5c23aa4653796 Paul Cercueil 2017-05-12  2472  
b5c23aa4653796 Paul Cercueil 2017-05-12  2473  		err = pinmux_generic_add_function(jzpc->pctl, func->name,
b5c23aa4653796 Paul Cercueil 2017-05-12  2474  				func->group_names, func->num_group_names,
b5c23aa4653796 Paul Cercueil 2017-05-12  2475  				func->data);
823dd71f58eb21 Paul Burton   2018-08-25  2476  		if (err < 0) {
b5c23aa4653796 Paul Cercueil 2017-05-12  2477  			dev_err(dev, "Failed to register function %s\n",
b5c23aa4653796 Paul Cercueil 2017-05-12  2478  					func->name);
b5c23aa4653796 Paul Cercueil 2017-05-12  2479  			return err;
b5c23aa4653796 Paul Cercueil 2017-05-12  2480  		}
b5c23aa4653796 Paul Cercueil 2017-05-12  2481  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2482  
b5c23aa4653796 Paul Cercueil 2017-05-12  2483  	dev_set_drvdata(dev, jzpc->map);
b5c23aa4653796 Paul Cercueil 2017-05-12  2484  
e72394e2ea196a Paul Cercueil 2018-08-21  2485  	for_each_child_of_node(dev->of_node, node) {
e72394e2ea196a Paul Cercueil 2018-08-21  2486  		if (of_match_node(ingenic_gpio_of_match, node)) {
e72394e2ea196a Paul Cercueil 2018-08-21  2487  			err = ingenic_gpio_probe(jzpc, node);
e72394e2ea196a Paul Cercueil 2018-08-21  2488  			if (err)
a13ac5c50a5b91 Yang Li       2021-02-25  2489  				of_node_put(node);
b5c23aa4653796 Paul Cercueil 2017-05-12 @2490  				return err;
b5c23aa4653796 Paul Cercueil 2017-05-12  2491  		}
b5c23aa4653796 Paul Cercueil 2017-05-12  2492  	}
b5c23aa4653796 Paul Cercueil 2017-05-12  2493  
b5c23aa4653796 Paul Cercueil 2017-05-12  2494  	return 0;
b5c23aa4653796 Paul Cercueil 2017-05-12  2495  }
b5c23aa4653796 Paul Cercueil 2017-05-12  2496  

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

Attachment: .config.gz
Description: application/gzip


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