linux-kernel - [PATCH] Staging: android: timed_gpio.c: improved logic of gpio_get

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Date:	Wed, 30 Jul 2014 20:47:19 -0300
From:	Murilo Opsfelder Araujo <mopsfelder@...il.com>
To:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, joe@...ches.com,
	Murilo Opsfelder Araujo <mopsfelder@...il.com>
Subject: [PATCH] Staging: android: timed_gpio.c: improved logic of gpio_get_time()

Thanks for reviewing my first patch, Joe.  How about this new one,
guys?

-- >8 --
Consequently, made checkpatch.pl happy.

Signed-off-by: Murilo Opsfelder Araujo <mopsfelder@...il.com>
---
 drivers/staging/android/timed_gpio.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c
index 180c209..8fa4758 100644
--- a/drivers/staging/android/timed_gpio.c
+++ b/drivers/staging/android/timed_gpio.c
@@ -45,16 +45,17 @@ static enum hrtimer_restart gpio_timer_func(struct hrtimer *timer)

 static int gpio_get_time(struct timed_output_dev *dev)
 {
-	struct timed_gpio_data	*data =
-		container_of(dev, struct timed_gpio_data, dev);
+	struct timed_gpio_data *data;
+	struct timeval t;

-	if (hrtimer_active(&data->timer)) {
-		ktime_t r = hrtimer_get_remaining(&data->timer);
-		struct timeval t = ktime_to_timeval(r);
+	data = container_of(dev, struct timed_gpio_data, dev);

-		return t.tv_sec * 1000 + t.tv_usec / 1000;
-	} else
+	if (!hrtimer_active(&data->timer))
 		return 0;
+
+	t = ktime_to_timeval(hrtimer_get_remaining(&data->timer));
+
+	return t.tv_sec * 1000 + t.tv_usec / 1000;
 }

 static void gpio_enable(struct timed_output_dev *dev, int value)
--
1.7.10.4
--
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