[PATCH v2 3/6] staging: goldfish: document spinlock usage

[Loic Pefferkorn]

Coding style: document spinlock usage

Signed-off-by: Loic Pefferkorn <loic at loicp.eu>
---
 drivers/staging/goldfish/goldfish_audio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 23a206d..b360d07 100644
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -36,6 +36,7 @@ MODULE_VERSION("1.0");
 struct goldfish_audio {
 	char __iomem *reg_base;
 	int irq;
+	/* lock protects access to buffer_status and to device registers */
 	spinlock_t lock;
 	wait_queue_head_t wait;
 
-- 
2.0.4