linux-kernel - [PATCH] gpio: stmpe: pass DT node to irqdomain

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Date:	Fri, 1 Mar 2013 13:01:42 +0100
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	<linux-kernel@...r.kernel.org>
Cc:	Anmar Oueja <anmar.oueja@...aro.org>,
	Gabriel Fernandez <gabriel.fernandez@...ricsson.com>,
	<stable@...r.kernel.org>, Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH] gpio: stmpe: pass DT node to irqdomain

From: Gabriel Fernandez <gabriel.fernandez@...ricsson.com>

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

Cc: stable@...r.kernel.org
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...ricsson.com>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/gpio/gpio-stmpe.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 770476a..73b691c 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -309,9 +309,11 @@ static const struct irq_domain_ops stmpe_gpio_irq_simple_ops = {
 
 static int stmpe_gpio_irq_init(struct stmpe_gpio *stmpe_gpio)
 {
-	int base = stmpe_gpio->irq_base;
+	int base = 0;
+	if (!stmpe_gpio->chip.of_node)
+		base = stmpe_gpio->irq_base;
 
-	stmpe_gpio->domain = irq_domain_add_simple(NULL,
+	stmpe_gpio->domain = irq_domain_add_simple(stmpe_gpio->chip.of_node,
 				stmpe_gpio->chip.ngpio, base,
 				&stmpe_gpio_irq_simple_ops, stmpe_gpio);
 	if (!stmpe_gpio->domain) {
@@ -346,6 +348,7 @@ 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;
+	stmpe_gpio->chip.of_node = np;
 	stmpe_gpio->chip.base = pdata ? pdata->gpio_base : -1;
 
 	if (pdata)
-- 
1.7.11.3

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