linux-kernel - [PATCH 1/2] iio: magn: bmc150_magn: add locking comment for runtime resume

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Date:	Thu, 23 Jul 2015 20:15:01 +0300
From:	Irina Tirdea <irina.tirdea@...el.com>
To:	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
	Vlad Dogaru <vlad.dogaru@...el.com>,
	Irina Tirdea <irina.tirdea@...el.com>
Subject: [PATCH 1/2] iio: magn: bmc150_magn: add locking comment for runtime resume

Runtime resume function is called with the data->mutex lock held.
Add a comment to indicate this.

Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
---
 drivers/iio/magnetometer/bmc150_magn.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index 074a99d..d66f8cf 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -1043,6 +1043,9 @@ static int bmc150_magn_runtime_suspend(struct device *dev)
 	return 0;
 }
 
+/*
+ * Should be called with data->mutex held.
+ */
 static int bmc150_magn_runtime_resume(struct device *dev)
 {
 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
-- 
1.9.1

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