[pinctrl:devel 45/47] drivers/pinctrl/pinctrl-amd.c:821:11: warning: passing argument 3 of 'devm_request_irq' from incompatible pointer type

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
head:   05e51a4da2af5f68c911adcb888f103460a2e5b3
commit: d228375b0504c3bb955281e4309e292d78f5e9e7 [45/47] pinctrl: amd: Add support for additional GPIO
config: i386-randconfig-i1-201645 (attached as .config)
compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4
reproduce:
        git checkout d228375b0504c3bb955281e4309e292d78f5e9e7
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/pinctrl/pinctrl-amd.c: In function 'amd_gpio_probe':

quoted

drivers/pinctrl/pinctrl-amd.c:821:11: warning: passing argument 3 of 'devm_request_irq' from incompatible pointer type [enabled by default]

              IRQF_SHARED, dev_name(&pdev->dev), gpio_dev);
              ^
   In file included from drivers/pinctrl/pinctrl-amd.c:29:0:
   include/linux/interrupt.h:170:1: note: expected 'irq_handler_t' but argument is of type 'void (*)(struct irq_desc *)'
    devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler,
    ^

vim +/devm_request_irq +821 drivers/pinctrl/pinctrl-amd.c

   805					&amd_gpio_irqchip,
   806					0,
   807					handle_simple_irq,
   808					IRQ_TYPE_NONE);
   809		if (ret) {
   810			dev_err(&pdev->dev, "could not add irqchip\n");
   811			ret = -ENODEV;
   812			goto out2;
   813		}
   814	
   815		gpiochip_set_chained_irqchip(&gpio_dev->gc,
   816					 &amd_gpio_irqchip,
   817					 irq_base,
   818					 NULL);
   819	
   820		ret = devm_request_irq(&pdev->dev, irq_base, amd_gpio_irq_handler,
 > 821				       IRQF_SHARED, dev_name(&pdev->dev), gpio_dev);
   822		if (ret)
   823			goto out2;
   824	
   825		platform_set_drvdata(pdev, gpio_dev);
   826	
   827		dev_dbg(&pdev->dev, "amd gpio driver loaded\n");
   828		return ret;
   829	

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