[PATCH v2] gpio: stmpe: pass DT node to irqdomain

From: Linus Walleij
Date: Mon Mar 18 2013 - 06:45:52 EST


From: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxxxxx>

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

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/gpio/gpio-stmpe.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 770476a..3ce5bc3 100644
--- 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;

--
1.7.11.3

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