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* [ragnatech:media-tree 2692/2696] drivers/media/rc/gpio-ir-recv.c:38:8: error: implicit declaration of function 'gpiod_get_value'
From: kbuild test robot @ 2017-10-05  8:54 UTC (permalink / raw)
  To: Ladislav Michl; +Cc: kbuild-all, Mauro Carvalho Chehab, linux-media, Sean Young

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tree:   git://git.ragnatech.se/linux media-tree
head:   a8c779eb056e9874c6278151ade857c3ac227db9
commit: eed008e605d13ee4fb64668350be58999e85aac7 [2692/2696] [media] media: rc: gpio-ir-recv: use gpiolib API
config: x86_64-randconfig-s4-10051614 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout eed008e605d13ee4fb64668350be58999e85aac7
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/media/rc/gpio-ir-recv.c: In function 'gpio_ir_recv_irq':
>> drivers/media/rc/gpio-ir-recv.c:38:8: error: implicit declaration of function 'gpiod_get_value' [-Werror=implicit-function-declaration]
     val = gpiod_get_value(gpio_dev->gpiod);
           ^~~~~~~~~~~~~~~
   drivers/media/rc/gpio-ir-recv.c: In function 'gpio_ir_recv_probe':
>> drivers/media/rc/gpio-ir-recv.c:60:20: error: implicit declaration of function 'devm_gpiod_get' [-Werror=implicit-function-declaration]
     gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);
                       ^~~~~~~~~~~~~~
>> drivers/media/rc/gpio-ir-recv.c:60:46: error: 'GPIOD_IN' undeclared (first use in this function)
     gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);
                                                 ^~~~~~~~
   drivers/media/rc/gpio-ir-recv.c:60:46: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/media/rc/gpio-ir-recv.c:68:18: error: implicit declaration of function 'gpiod_to_irq' [-Werror=implicit-function-declaration]
     gpio_dev->irq = gpiod_to_irq(gpio_dev->gpiod);
                     ^~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/gpiod_get_value +38 drivers/media/rc/gpio-ir-recv.c

    32	
    33	static irqreturn_t gpio_ir_recv_irq(int irq, void *dev_id)
    34	{
    35		int val;
    36		struct gpio_rc_dev *gpio_dev = dev_id;
    37	
  > 38		val = gpiod_get_value(gpio_dev->gpiod);
    39		if (val >= 0)
    40			ir_raw_event_store_edge(gpio_dev->rcdev, val == 1);
    41	
    42		return IRQ_HANDLED;
    43	}
    44	
    45	static int gpio_ir_recv_probe(struct platform_device *pdev)
    46	{
    47		struct device *dev = &pdev->dev;
    48		struct device_node *np = dev->of_node;
    49		struct gpio_rc_dev *gpio_dev;
    50		struct rc_dev *rcdev;
    51		int rc;
    52	
    53		if (!np)
    54			return -ENODEV;
    55	
    56		gpio_dev = devm_kzalloc(dev, sizeof(*gpio_dev), GFP_KERNEL);
    57		if (!gpio_dev)
    58			return -ENOMEM;
    59	
  > 60		gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);
    61		if (IS_ERR(gpio_dev->gpiod)) {
    62			rc = PTR_ERR(gpio_dev->gpiod);
    63			/* Just try again if this happens */
    64			if (rc != -EPROBE_DEFER)
    65				dev_err(dev, "error getting gpio (%d)\n", rc);
    66			return rc;
    67		}
  > 68		gpio_dev->irq = gpiod_to_irq(gpio_dev->gpiod);
    69		if (gpio_dev->irq < 0)
    70			return gpio_dev->irq;
    71	
    72		rcdev = devm_rc_allocate_device(dev, RC_DRIVER_IR_RAW);
    73		if (!rcdev)
    74			return -ENOMEM;
    75	
    76		rcdev->priv = gpio_dev;
    77		rcdev->device_name = GPIO_IR_DEVICE_NAME;
    78		rcdev->input_phys = GPIO_IR_DEVICE_NAME "/input0";
    79		rcdev->input_id.bustype = BUS_HOST;
    80		rcdev->input_id.vendor = 0x0001;
    81		rcdev->input_id.product = 0x0001;
    82		rcdev->input_id.version = 0x0100;
    83		rcdev->dev.parent = dev;
    84		rcdev->driver_name = KBUILD_MODNAME;
    85		rcdev->min_timeout = 1;
    86		rcdev->timeout = IR_DEFAULT_TIMEOUT;
    87		rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
    88		rcdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
    89		rcdev->map_name = of_get_property(np, "linux,rc-map-name", NULL);
    90		if (!rcdev->map_name)
    91			rcdev->map_name = RC_MAP_EMPTY;
    92	
    93		gpio_dev->rcdev = rcdev;
    94	
    95		rc = devm_rc_register_device(dev, rcdev);
    96		if (rc < 0) {
    97			dev_err(dev, "failed to register rc device (%d)\n", rc);
    98			return rc;
    99		}
   100	
   101		platform_set_drvdata(pdev, gpio_dev);
   102	
   103		return devm_request_irq(dev, gpio_dev->irq, gpio_ir_recv_irq,
   104					IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
   105					"gpio-ir-recv-irq", gpio_dev);
   106	}
   107	

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