linux-kernel - [PATCH 1/2] staging: comedi: comedidev.h: add comments to spin-lock and mutex

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Date:	Mon, 12 Oct 2015 18:03:24 +0100
From:	Ian Abbott <abbotti@....co.uk>
To:	driverdev-devel@...uxdriverproject.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ian Abbott <abbotti@....co.uk>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] 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@....co.uk>
---
 drivers/staging/comedi/comedidev.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 6062493..7a62e97 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;
 
-- 
2.6.1

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