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staging: goldfish: document spinlock usage

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Coding style: document spinlock usage

Signed-off-by: Loic Pefferkorn <loic@loicp.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Loic Pefferkorn 2014-09-03 22:23:12 +02:00 committed by Greg Kroah-Hartman
parent 1977533a3f
commit 9b61f085eb
1 changed files with 1 additions and 0 deletions
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drivers/staging/goldfish/goldfish_audio.c
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@ -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;