[PATCH 043/182] gpio: msic: use gpiochip data pointer

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/gpio-msic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c
index fe9ef2bc981a..fedae58e28f1 100644
--- a/drivers/gpio/gpio-msic.c
+++ b/drivers/gpio/gpio-msic.c
@@ -179,7 +179,7 @@ static int msic_irq_type(struct irq_data *data, unsigned type)
 
 static int msic_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
-	struct msic_gpio *mg = container_of(chip, struct msic_gpio, chip);
+	struct msic_gpio *mg = gpiochip_get_data(chip);
 	return mg->irq_base + offset;
 }
 
@@ -297,7 +297,7 @@ static int platform_msic_gpio_probe(struct platform_device *pdev)
 
 	mutex_init(&mg->buslock);
 
-	retval = gpiochip_add(&mg->chip);
+	retval = gpiochip_add_data(&mg->chip, mg);
 	if (retval) {
 		dev_err(dev, "Adding MSIC gpio chip failed\n");
 		goto err;
-- 
2.4.3

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