linux-kernel - [PATCH v2 16/17] iio: accel: mma9553: document use of mutex

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 13 Apr 2015 18:41:03 +0300
From:	Irina Tirdea <irina.tirdea@...el.com>
To:	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
	Hartmut Knaack <knaack.h@....de>
Cc:	linux-kernel@...r.kernel.org, Vlad Dogaru <vlad.dogaru@...el.com>,
	Irina Tirdea <irina.tirdea@...el.com>
Subject: [PATCH v2 16/17] iio: accel: mma9553: document use of mutex

Fix checkpatch.pl --strict check:
CHECK: struct mutex definition without comment
+     struct mutex mutex;

Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
---
 drivers/iio/accel/mma9553.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index 08f28c3..a605280 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -182,6 +182,10 @@ struct mma9553_conf_regs {
 
 struct mma9553_data {
 	struct i2c_client *client;
+	/*
+	 * 1. Serialize access to HW (requested by mma9551_core API).
+	 * 2. Serialize sequences that power on/off the device and access HW.
+	 */
 	struct mutex mutex;
 	struct mma9553_conf_regs conf;
 	struct mma9553_event events[MMA9553_EVENTS_INFO_SIZE];
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/