linux-kernel - [RFC PATCH 3/5] gpio: omap: convert driver to use gpio_chip

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Date:	Tue,  8 Apr 2014 20:20:13 +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 3/5] gpio: omap: 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-omap.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 8cc9e91..50f0938 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1072,6 +1072,16 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start,
 			       IRQ_NOREQUEST | IRQ_NOPROBE, 0);
 }
 
+const struct gpio_chip_ops omap_gpio_ops = {
+	.request = omap_gpio_request,
+	.free = omap_gpio_free,
+	.direction_input = gpio_input,
+	.get = gpio_get,
+	.direction_output = gpio_output,
+	.set_debounce = gpio_debounce,
+	.set = gpio_set
+};
+
 static int omap_gpio_chip_init(struct gpio_bank *bank)
 {
 	int j;
@@ -1083,13 +1093,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank)
 	 * REVISIT eventually switch from OMAP-specific gpio structs
 	 * over to the generic ones
 	 */
-	bank->chip.request = omap_gpio_request;
-	bank->chip.free = omap_gpio_free;
-	bank->chip.direction_input = gpio_input;
-	bank->chip.get = gpio_get;
-	bank->chip.direction_output = gpio_output;
-	bank->chip.set_debounce = gpio_debounce;
-	bank->chip.set = gpio_set;
+	bank->chip.ops = &omap_gpio_ops;
+
 	if (bank->is_mpuio) {
 		bank->chip.label = "mpuio";
 		if (bank->regs->wkup_en)
-- 
1.9.0

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