Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.
Signed-off-by: Leilei Zhao <leilei.z...@atmel.com>
Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
---
drivers/crypto/atmel-sha.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 9fb8af1..6430f6a 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1367,6 +1367,7 @@ static int atmel_sha_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, sha_dd);
INIT_LIST_HEAD(&sha_dd->list);
+ spin_lock_init(&sha_dd->lock);
tasklet_init(&sha_dd->done_task, atmel_sha_done_task,
(unsigned long)sha_dd);
--
1.7.9.5
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