gpio: stmpe: pass DT node to irqdomain

The irq domain was implemented but the device tree
node was not transmitted to irq_domain_add_simple().

Cc: stable@vger.kernel.org
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 770476a9da87fbc4ca3a0a64008768602db8f14d..3ce5bc38ac3180b015548271eeeb0b6a3c6c5543 100644 (file)
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -307,11 +307,15 @@ static const struct irq_domain_ops stmpe_gpio_irq_simple_ops = {
        .xlate = irq_domain_xlate_twocell,
 };
 
-static int stmpe_gpio_irq_init(struct stmpe_gpio *stmpe_gpio)
+static int stmpe_gpio_irq_init(struct stmpe_gpio *stmpe_gpio,
+               struct device_node *np)
 {
-       int base = stmpe_gpio->irq_base;
+       int base = 0;
 
-       stmpe_gpio->domain = irq_domain_add_simple(NULL,
+       if (!np)
+               base = stmpe_gpio->irq_base;
+
+       stmpe_gpio->domain = irq_domain_add_simple(np,
                                stmpe_gpio->chip.ngpio, base,
                                &stmpe_gpio_irq_simple_ops, stmpe_gpio);
        if (!stmpe_gpio->domain) {
@@ -346,6 +350,9 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
        stmpe_gpio->chip = template_chip;
        stmpe_gpio->chip.ngpio = stmpe->num_gpios;
        stmpe_gpio->chip.dev = &pdev->dev;
+#ifdef CONFIG_OF
+       stmpe_gpio->chip.of_node = np;
+#endif
        stmpe_gpio->chip.base = pdata ? pdata->gpio_base : -1;
 
        if (pdata)
@@ -366,7 +373,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
                goto out_free;
 
        if (irq >= 0) {
-               ret = stmpe_gpio_irq_init(stmpe_gpio);
+               ret = stmpe_gpio_irq_init(stmpe_gpio, np);
                if (ret)
                        goto out_disable;