Merge tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

[~andy/linux] / drivers / gpio / gpio-pxa.c

diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 5689ce62fd81badc2fdeceeb604fdf866d5b3bda..fc3ace3fd4cbc64030764abe51a3788afc7f2e0e 100644 (file)
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -64,6 +64,7 @@ struct pxa_gpio_chip {
        unsigned long   irq_mask;
        unsigned long   irq_edge_rise;
        unsigned long   irq_edge_fall;
+       int (*set_wake)(unsigned int gpio, unsigned int on);
 
 #ifdef CONFIG_PM
        unsigned long   saved_gplr;
@@ -269,7 +270,8 @@ static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
                                (value ? GPSR_OFFSET : GPCR_OFFSET));
 }
 
-static int __devinit pxa_init_gpio_chip(int gpio_end)
+static int __devinit pxa_init_gpio_chip(int gpio_end,
+                                       int (*set_wake)(unsigned int, unsigned int))
 {
        int i, gpio, nbanks = gpio_to_bank(gpio_end) + 1;
        struct pxa_gpio_chip *chips;
@@ -285,6 +287,7 @@ static int __devinit pxa_init_gpio_chip(int gpio_end)
 
                sprintf(chips[i].label, "gpio-%d", i);
                chips[i].regbase = gpio_reg_base + BANK_OFF(i);
+               chips[i].set_wake = set_wake;
 
                c->base  = gpio;
                c->label = chips[i].label;
@@ -412,6 +415,17 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
        writel_relaxed(gfer, c->regbase + GFER_OFFSET);
 }
 
+static int pxa_gpio_set_wake(struct irq_data *d, unsigned int on)
+{
+       int gpio = pxa_irq_to_gpio(d->irq);
+       struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
+
+       if (c->set_wake)
+               return c->set_wake(gpio, on);
+       else
+               return 0;
+}
+
 static void pxa_unmask_muxed_gpio(struct irq_data *d)
 {
        int gpio = pxa_irq_to_gpio(d->irq);
@@ -427,6 +441,7 @@ static struct irq_chip pxa_muxed_gpio_chip = {
        .irq_mask       = pxa_mask_muxed_gpio,
        .irq_unmask     = pxa_unmask_muxed_gpio,
        .irq_set_type   = pxa_gpio_irq_type,
+       .irq_set_wake   = pxa_gpio_set_wake,
 };
 
 static int pxa_gpio_nums(void)
@@ -471,6 +486,7 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
        struct pxa_gpio_chip *c;
        struct resource *res;
        struct clk *clk;
+       struct pxa_gpio_platform_data *info;
        int gpio, irq, ret;
        int irq0 = 0, irq1 = 0, irq_mux, gpio_offset = 0;
 
@@ -516,7 +532,8 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
        }
 
        /* Initialize GPIO chips */
-       pxa_init_gpio_chip(pxa_last_gpio);
+       info = dev_get_platdata(&pdev->dev);
+       pxa_init_gpio_chip(pxa_last_gpio, info ? info->gpio_set_wake : NULL);
 
        /* clear all GPIO edge detects */
        for_each_gpio_chip(gpio, c) {