linux-kernel - [RFC PATCH 4/5] gpio: twl4030: convert driver to use gpio_chip

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Date:	Tue,  8 Apr 2014 20:20:14 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Alexandre Courbot <acourbot@...dia.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Kevin Hilman <khilman@...aro.org>, linux-gpio@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Subject: [RFC PATCH 4/5] gpio: twl4030: convert driver to use gpio_chip_ops

The GPIO controller operations has been split to be stored
on a separate struct gpio_chip_ops virtual function table.

Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
---
 drivers/gpio/gpio-twl4030.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 3ebb1a5..0d40bc0 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -386,15 +386,19 @@ static int twl_to_irq(struct gpio_chip *chip, unsigned offset)
 		: -EINVAL;
 }
 
-static struct gpio_chip template_chip = {
-	.label			= "twl4030",
-	.owner			= THIS_MODULE,
+const struct gpio_chip_ops ops = {
 	.request		= twl_request,
 	.free			= twl_free,
 	.direction_input	= twl_direction_in,
 	.get			= twl_get,
 	.direction_output	= twl_direction_out,
 	.set			= twl_set,
+};
+
+static struct gpio_chip template_chip = {
+	.label			= "twl4030",
+	.owner			= THIS_MODULE,
+	.ops			= &ops,
 	.to_irq			= twl_to_irq,
 	.can_sleep		= true,
 };
-- 
1.9.0

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