linux-kernel - [PATCH v2 6/9] mfd: wm8994: convert to use I2C core runtime PM

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Date:	Wed, 11 Sep 2013 18:32:37 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	linux-i2c@...r.kernel.org
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lv Zheng <lv.zheng@...el.com>, Aaron Lu <aaron.lu@...el.com>,
	linux-arm-kernel@...ts.infradead.org,
	Mark Brown <broonie@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH v2 6/9] mfd: wm8994: convert to use I2C core runtime PM

The I2C core now prepares runtime PM on behalf of the I2C client device, so
only thing the driver needs to do is to call pm_runtime_put() at the end of
its ->probe().

This patch converts wm8994 driver to use this model.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/mfd/wm8994-core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 3fdee90..9928bb1 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -706,8 +706,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 		goto err_irq;
 	}
 
-	pm_runtime_enable(wm8994->dev);
-	pm_runtime_idle(wm8994->dev);
+	pm_runtime_put(wm8994->dev);
 
 	return 0;
 
@@ -723,7 +722,7 @@ err:
 
 static void wm8994_device_exit(struct wm8994 *wm8994)
 {
-	pm_runtime_disable(wm8994->dev);
+	pm_runtime_get(wm8994->dev);
 	mfd_remove_devices(wm8994->dev);
 	wm8994_irq_exit(wm8994);
 	regulator_bulk_disable(wm8994->num_supplies,
-- 
1.8.4.rc3

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