Coding style: document spinlock usage
Signed-off-by: Loic Pefferkorn <loic@xxxxxxxx>
---
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
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