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Commit 09ad8039 authored by Shawn Guo's avatar Shawn Guo Committed by Sascha Hauer
Browse files

gpio/mxc: add .to_irq for gpio chip 



It adds .to_irq support for gpio chip, so that __gpio_to_irq in
gpiolib becomes usable.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent e309fb18

drivers/gpio/gpio-mxc.c

+10 −0
Original line number Diff line number Diff line
@@ -337,6 +337,15 @@ static void __devinit mxc_gpio_get_hw(struct platform_device *pdev) 
	mxc_gpio_hwtype = hwtype;

}



static int mxc_gpio_to_irq(struct gpio_chip *gc, unsigned offset)

{

	struct bgpio_chip *bgc = to_bgpio_chip(gc);

	struct mxc_gpio_port *port =

		container_of(bgc, struct mxc_gpio_port, bgc);



	return port->virtual_irq_start + offset;

}



static int __devinit mxc_gpio_probe(struct platform_device *pdev)

{

	struct device_node *np = pdev->dev.of_node;
@@ -403,6 +412,7 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) 
	if (err)

		goto out_iounmap;



	port->bgc.gc.to_irq = mxc_gpio_to_irq;

	port->bgc.gc.base = pdev->id * 32;

	port->bgc.dir = port->bgc.read_reg(port->bgc.reg_dir);

	port->bgc.data = port->bgc.read_reg(port->bgc.reg_set);