linux-kernel - Re: [PATCH] hwmon: applesmc: switch to using input device polling mode

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Date:   Thu, 3 Oct 2019 07:51:46 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     kbuild-all@...org, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Nicolas Boichat <nicolas@...chat.ch>,
        Nicolas Boichat <drinkcat@...omium.org>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: applesmc: switch to using input device polling
 mode

Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on hwmon/hwmon-next]
[cannot apply to v5.4-rc1 next-20191002]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/hwmon-applesmc-switch-to-using-input-device-polling-mode/20191003-063910
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-13) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   drivers/hwmon/applesmc.c: In function 'applesmc_create_accelerometer':
>> drivers/hwmon/applesmc.c:1163:8: error: implicit declaration of function 'input_setup_polling'; did you mean 'input_set_capability'? [-Werror=implicit-function-declaration]
     ret = input_setup_polling(applesmc_idev, applesmc_idev_poll);
           ^~~~~~~~~~~~~~~~~~~
           input_set_capability
>> drivers/hwmon/applesmc.c:1167:2: error: implicit declaration of function 'input_set_poll_interval'; did you mean 'input_set_abs_params'? [-Werror=implicit-function-declaration]
     input_set_poll_interval(applesmc_idev, APPLESMC_POLL_INTERVAL);
     ^~~~~~~~~~~~~~~~~~~~~~~
     input_set_abs_params
   cc1: some warnings being treated as errors

vim +1163 drivers/hwmon/applesmc.c

  1132	
  1133	/* Create accelerometer resources */
  1134	static int applesmc_create_accelerometer(void)
  1135	{
  1136		int ret;
  1137	
  1138		if (!smcreg.has_accelerometer)
  1139			return 0;
  1140	
  1141		ret = applesmc_create_nodes(accelerometer_group, 1);
  1142		if (ret)
  1143			goto out;
  1144	
  1145		applesmc_idev = input_allocate_device();
  1146		if (!applesmc_idev) {
  1147			ret = -ENOMEM;
  1148			goto out_sysfs;
  1149		}
  1150	
  1151		/* initial calibrate for the input device */
  1152		applesmc_calibrate();
  1153	
  1154		/* initialize the input device */
  1155		applesmc_idev->name = "applesmc";
  1156		applesmc_idev->id.bustype = BUS_HOST;
  1157		applesmc_idev->dev.parent = &pdev->dev;
  1158		input_set_abs_params(applesmc_idev, ABS_X,
  1159				-256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT);
  1160		input_set_abs_params(applesmc_idev, ABS_Y,
  1161				-256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT);
  1162	
> 1163		ret = input_setup_polling(applesmc_idev, applesmc_idev_poll);
  1164		if (ret)
  1165			goto out_idev;
  1166	
> 1167		input_set_poll_interval(applesmc_idev, APPLESMC_POLL_INTERVAL);
  1168	
  1169		ret = input_register_device(applesmc_idev);
  1170		if (ret)
  1171			goto out_idev;
  1172	
  1173		return 0;
  1174	
  1175	out_idev:
  1176		input_free_device(applesmc_idev);
  1177	
  1178	out_sysfs:
  1179		applesmc_destroy_nodes(accelerometer_group);
  1180	
  1181	out:
  1182		pr_warn("driver init failed (ret=%d)!\n", ret);
  1183		return ret;
  1184	}
  1185	

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