Re: [PATCH] i2c: gpio: replace printk with dev_err in probe

[kernel test robot <lkp@intel.com>]

Hi Jovin,

kernel test robot noticed the following build errors:

[auto build test ERROR on andi-shyti/i2c/i2c-host]
[also build test ERROR on wsa/i2c/for-next linus/master v7.0-rc4 next-20260320]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jovin-Basil/i2c-gpio-replace-printk-with-dev_err-in-probe/20260322-012109
base:   https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host
patch link:    https://lore.kernel.org/r/20260320150144.432345-1-jovin555%40gmail.com
patch subject: [PATCH] i2c: gpio: replace printk with dev_err in probe
config: csky-randconfig-r073-20260322 (https://download.01.org/0day-ci/archive/20260322/202603220644.6OGhQIXH-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 15.2.0
smatch: v0.5.0-9004-gb810ac53
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260322/202603220644.6OGhQIXH-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603220644.6OGhQIXH-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/acpi.h:15,
                    from include/linux/i2c.h:13,
                    from include/linux/i2c-algo-bit.h:13,
                    from drivers/i2c/busses/i2c-gpio.c:11:
   drivers/i2c/busses/i2c-gpio.c: In function 'i2c_gpio_init':
>> drivers/i2c/busses/i2c-gpio.c:493:26: error: 'pdev' undeclared (first use in this function); did you mean 'cdev'?
     493 |                 dev_err(&pdev->dev, "i2c-gpio: probe failed: %d\n",ret);
         |                          ^~~~
   include/linux/dev_printk.h:110:25: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                         ^~~
   drivers/i2c/busses/i2c-gpio.c:493:17: note: in expansion of macro 'dev_err'
     493 |                 dev_err(&pdev->dev, "i2c-gpio: probe failed: %d\n",ret);
         |                 ^~~~~~~
   drivers/i2c/busses/i2c-gpio.c:493:26: note: each undeclared identifier is reported only once for each function it appears in
     493 |                 dev_err(&pdev->dev, "i2c-gpio: probe failed: %d\n",ret);
         |                          ^~~~
   include/linux/dev_printk.h:110:25: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                         ^~~
   drivers/i2c/busses/i2c-gpio.c:493:17: note: in expansion of macro 'dev_err'
     493 |                 dev_err(&pdev->dev, "i2c-gpio: probe failed: %d\n",ret);
         |                 ^~~~~~~


vim +493 drivers/i2c/busses/i2c-gpio.c

   486	
   487	static int __init i2c_gpio_init(void)
   488	{
   489		int ret;
   490	
   491		ret = platform_driver_register(&i2c_gpio_driver);
   492		if (ret)
 > 493			dev_err(&pdev->dev, "i2c-gpio: probe failed: %d\n",ret);
   494	
   495		return ret;
   496	}
   497	subsys_initcall(i2c_gpio_init);
   498	

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