From: Ian Abbott <abbotti@mev.co.uk>
Date: Mon, 12 Oct 2015 17:03:24 +0000 (+0100)
Subject: staging: comedi: comedidev.h: add comments to spin-lock and mutex
X-Git-Tag: v4.4-rc1~125^2~687
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=214e38421c330a1c9a16e65e071c86986cf3952d;p=linux.git

staging: comedi: comedidev.h: add comments to spin-lock and mutex

Fix the checkpatch.pl issues:

CHECK: spinlock_t definition without comment
CHECK: struct mutes definition withoug comment

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 6062493a7146..7a62e97b345c 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -174,7 +174,7 @@ struct comedi_subdevice {
 	void *lock;
 	void *busy;
 	unsigned runflags;
-	spinlock_t spin_lock;
+	spinlock_t spin_lock;	/* generic spin-lock for COMEDI and drivers */
 
 	unsigned int io_bits;
 
@@ -537,8 +537,8 @@ struct comedi_device {
 	const void *board_ptr;
 	bool attached:1;
 	bool ioenabled:1;
-	spinlock_t spinlock;
-	struct mutex mutex;
+	spinlock_t spinlock;	/* generic spin-lock for low-level driver */
+	struct mutex mutex;	/* generic mutex for COMEDI core */
 	struct rw_semaphore attach_lock;
 	struct kref refcount;