linux-kernel - Re: [PATCH v1 2/2] serial: sh-sci: Switch to use dev_err_probe

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Message-ID: <202202150928.sqyjprfB-lkp@intel.com>
Date:   Tue, 15 Feb 2022 09:40:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Jiri Slaby <jirislaby@...nel.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 2/2] serial: sh-sci: Switch to use dev_err_probe_ptr()

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on usb/usb-testing linux/master linus/master v5.17-rc4 next-20220214]
[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/Andy-Shevchenko/driver-core-add-a-wrapper-to-device-probe-log-helper-to-return-pointer/20220214-223425
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220215/202202150928.sqyjprfB-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/810910d324cc80b092207d043651de696d293cbd
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/driver-core-add-a-wrapper-to-device-probe-log-helper-to-return-pointer/20220214-223425
        git checkout 810910d324cc80b092207d043651de696d293cbd
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/tty/serial/sh-sci.c: In function 'sci_parse_dt':
>> drivers/tty/serial/sh-sci.c:3205:24: error: too few arguments to function 'dev_err_probe_ptr'
    3205 |                 return dev_err_probe_ptr(&pdev->dev, PTR_ERR(rstc), "failed to get reset ctrl\n");
         |                        ^~~~~~~~~~~~~~~~~
   In file included from include/linux/node.h:18,
                    from include/linux/cpu.h:17,
                    from include/linux/cpufreq.h:12,
                    from drivers/tty/serial/sh-sci.c:23:
   include/linux/device.h:988:7: note: declared here
     988 | void *dev_err_probe_ptr(const struct device *dev, int err, const char *fmt, va_list args)
         |       ^~~~~~~~~~~~~~~~~


vim +/dev_err_probe_ptr +3205 drivers/tty/serial/sh-sci.c

  3187	
  3188	static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev,
  3189						  unsigned int *dev_id)
  3190	{
  3191		struct device_node *np = pdev->dev.of_node;
  3192		struct reset_control *rstc;
  3193		struct plat_sci_port *p;
  3194		struct sci_port *sp;
  3195		const void *data;
  3196		int id, ret;
  3197	
  3198		if (!IS_ENABLED(CONFIG_OF) || !np)
  3199			return ERR_PTR(-EINVAL);
  3200	
  3201		data = of_device_get_match_data(&pdev->dev);
  3202	
  3203		rstc = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
  3204		if (IS_ERR(rstc))
> 3205			return dev_err_probe_ptr(&pdev->dev, PTR_ERR(rstc), "failed to get reset ctrl\n");
  3206	
  3207		ret = reset_control_deassert(rstc);
  3208		if (ret) {
  3209			dev_err(&pdev->dev, "failed to deassert reset %d\n", ret);
  3210			return ERR_PTR(ret);
  3211		}
  3212	
  3213		ret = devm_add_action_or_reset(&pdev->dev, sci_reset_control_assert, rstc);
  3214		if (ret) {
  3215			dev_err(&pdev->dev, "failed to register assert devm action, %d\n",
  3216				ret);
  3217			return ERR_PTR(ret);
  3218		}
  3219	
  3220		p = devm_kzalloc(&pdev->dev, sizeof(struct plat_sci_port), GFP_KERNEL);
  3221		if (!p)
  3222			return ERR_PTR(-ENOMEM);
  3223	
  3224		/* Get the line number from the aliases node. */
  3225		id = of_alias_get_id(np, "serial");
  3226		if (id < 0 && ~sci_ports_in_use)
  3227			id = ffz(sci_ports_in_use);
  3228		if (id < 0) {
  3229			dev_err(&pdev->dev, "failed to get alias id (%d)\n", id);
  3230			return ERR_PTR(-EINVAL);
  3231		}
  3232		if (id >= ARRAY_SIZE(sci_ports)) {
  3233			dev_err(&pdev->dev, "serial%d out of range\n", id);
  3234			return ERR_PTR(-EINVAL);
  3235		}
  3236	
  3237		sp = &sci_ports[id];
  3238		*dev_id = id;
  3239	
  3240		p->type = SCI_OF_TYPE(data);
  3241		p->regtype = SCI_OF_REGTYPE(data);
  3242	
  3243		sp->has_rtscts = of_property_read_bool(np, "uart-has-rtscts");
  3244	
  3245		return p;
  3246	}
  3247	

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