From 09ad8039dad91baed6e43f6ba4741805e7b48932 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sun, 14 Aug 2011 00:14:02 +0800 Subject: 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(+) (limited to 'drivers/gpio/gpio-mxc.c') 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); -- cgit v1.2.3 From a4395612290c7b70041952add7ad75b534c8b40c Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sun, 14 Aug 2011 00:14:04 +0800 Subject: gpio/mxc: move irq_to_gpio() into gpio-mxc driver As irq_to_gpio() is only being used by gpio-mxc driver, it should be moved from mach/gpio.h into gpio-mxc.c. Signed-off-by: Shawn Guo Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/include/mach/gpio.h | 2 -- drivers/gpio/gpio-mxc.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpio/gpio-mxc.c') diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index 38ebebd9d3bb..72c3ed1cddd5 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -34,6 +34,4 @@ #define gpio_cansleep __gpio_cansleep #define gpio_to_irq __gpio_to_irq -#define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) - #endif diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 64aff20bc620..b588f8a41e60 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -31,6 +31,8 @@ #include #include +#define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) + enum mxc_gpio_hwtype { IMX1_GPIO, /* runs on i.mx1 */ IMX21_GPIO, /* runs on i.mx21 and i.mx27 */ -- cgit v1.2.3