diff options
| author | Leilei Zhao <leilei.zhao@atmel.com> | 2015-04-07 17:45:08 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-08 22:20:03 +0800 |
| commit | 1d1b91637ce1d0968d17b0a288de557946a9494e (patch) | |
| tree | bb3953e9e532df076dec3f4e64c37f47631754de | |
| parent | 3f1992c002064f5628eafbec9649f7a82f439eaf (diff) | |
crypto: atmel-tdes - initialize spinlock in probe
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.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/atmel-tdes.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 8495b8959d0b..ca2999709eb4 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -1370,6 +1370,7 @@ static int atmel_tdes_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tdes_dd); INIT_LIST_HEAD(&tdes_dd->list); + spin_lock_init(&tdes_dd->lock); tasklet_init(&tdes_dd->done_task, atmel_tdes_done_task, (unsigned long)tdes_dd); |