From 09ad8039dad91baed6e43f6ba4741805e7b48932 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sun, 14 Aug 2011 00:14:02 +0800 Subject: [PATCH] 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: Shawn Guo Signed-off-by: Sascha Hauer --- drivers/gpio/gpio-mxc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 4340acae3bd3..64aff20bc620 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -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); -- 2.39.5