drivers/input/misc/soc_button_array.c:156:4: error: implicit declaration of function 'irq_set_irq_type'

drivers/input/misc/soc_button_array.c:156:4: error: implicit declaration of function 'irq_set_irq_type'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a349e4c659609fd20e4beea89e5c4a4038e33a95
commit: 78a5b53e9fb4d9a4437b6262b79278d2cd4669c9 Input: soc_button_array - work around DSDTs which modify the irqflags
date:   2 months ago
config: x86_64-randconfig-a006-20201123 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 3324fd8a7b1ab011513017ed8fd81e06928526d5)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=78a5b53e9fb4d9a4437b6262b79278d2cd4669c9
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 78a5b53e9fb4d9a4437b6262b79278d2cd4669c9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/input/misc/soc_button_array.c:156:4: error: implicit declaration of function 'irq_set_irq_type' [-Werror,-Wimplicit-function-declaration]
                           irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
                           ^
>> drivers/input/misc/soc_button_array.c:156:26: error: use of undeclared identifier 'IRQ_TYPE_LEVEL_LOW'
                           irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
                                                 ^
   2 errors generated.

vim +/irq_set_irq_type +156 drivers/input/misc/soc_button_array.c

   107	
   108	static struct platform_device *
   109	soc_button_device_create(struct platform_device *pdev,
   110				 const struct soc_button_info *button_info,
   111				 bool autorepeat)
   112	{
   113		const struct soc_button_info *info;
   114		struct platform_device *pd;
   115		struct gpio_keys_button *gpio_keys;
   116		struct gpio_keys_platform_data *gpio_keys_pdata;
   117		int error, gpio, irq;
   118		int n_buttons = 0;
   119	
   120		for (info = button_info; info->name; info++)
   121			if (info->autorepeat == autorepeat)
   122				n_buttons++;
   123	
   124		gpio_keys_pdata = devm_kzalloc(&pdev->dev,
   125					       sizeof(*gpio_keys_pdata) +
   126						sizeof(*gpio_keys) * n_buttons,
   127					       GFP_KERNEL);
   128		if (!gpio_keys_pdata)
   129			return ERR_PTR(-ENOMEM);
   130	
   131		gpio_keys = (void *)(gpio_keys_pdata + 1);
   132		n_buttons = 0;
   133	
   134		for (info = button_info; info->name; info++) {
   135			if (info->autorepeat != autorepeat)
   136				continue;
   137	
   138			error = soc_button_lookup_gpio(&pdev->dev, info->acpi_index, &gpio, &irq);
   139			if (error || irq < 0) {
   140				/*
   141				 * Skip GPIO if not present. Note we deliberately
   142				 * ignore -EPROBE_DEFER errors here. On some devices
   143				 * Intel is using so called virtual GPIOs which are not
   144				 * GPIOs at all but some way for AML code to check some
   145				 * random status bits without need a custom opregion.
   146				 * In some cases the resources table we parse points to
   147				 * such a virtual GPIO, since these are not real GPIOs
   148				 * we do not have a driver for these so they will never
   149				 * show up, therefore we ignore -EPROBE_DEFER.
   150				 */
   151				continue;
   152			}
   153	
   154			/* See dmi_use_low_level_irq[] comment */
   155			if (!autorepeat && dmi_check_system(dmi_use_low_level_irq)) {
 > 156				irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
   157				gpio_keys[n_buttons].irq = irq;
   158				gpio_keys[n_buttons].gpio = -ENOENT;
   159			} else {
   160				gpio_keys[n_buttons].gpio = gpio;
   161			}
   162	
   163			gpio_keys[n_buttons].type = info->event_type;
   164			gpio_keys[n_buttons].code = info->event_code;
   165			gpio_keys[n_buttons].active_low = info->active_low;
   166			gpio_keys[n_buttons].desc = info->name;
   167			gpio_keys[n_buttons].wakeup = info->wakeup;
   168			/* These devices often use cheap buttons, use 50 ms debounce */
   169			gpio_keys[n_buttons].debounce_interval = 50;
   170			n_buttons++;
   171		}
   172	
   173		if (n_buttons == 0) {
   174			error = -ENODEV;
   175			goto err_free_mem;
   176		}
   177	
   178		gpio_keys_pdata->buttons = gpio_keys;
   179		gpio_keys_pdata->nbuttons = n_buttons;
   180		gpio_keys_pdata->rep = autorepeat;
   181	
   182		pd = platform_device_register_resndata(&pdev->dev, "gpio-keys",
   183						       PLATFORM_DEVID_AUTO, NULL, 0,
   184						       gpio_keys_pdata,
   185						       sizeof(*gpio_keys_pdata));
   186		error = PTR_ERR_OR_ZERO(pd);
   187		if (error) {
   188			dev_err(&pdev->dev,
   189				"failed registering gpio-keys: %d\n", error);
   190			goto err_free_mem;
   191		}
   192	
   193		return pd;
   194	
   195	err_free_mem:
   196		devm_kfree(&pdev->dev, gpio_keys_pdata);
   197		return ERR_PTR(error);
   198	}
   199	

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

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