diff options
Diffstat (limited to 'kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c')
| -rw-r--r-- | kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c index a19ee127e..e72fea737 100644 --- a/kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c +++ b/kernel/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c @@ -35,6 +35,7 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq) unsigned int todo; struct sg_mapping_iter mi, mo; unsigned int oi, oo; /* offset for in and out */ + unsigned long flags; if (areq->nbytes == 0) return 0; @@ -49,7 +50,7 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq) return -EINVAL; } - spin_lock_bh(&ss->slock); + spin_lock_irqsave(&ss->slock, flags); for (i = 0; i < op->keylen; i += 4) writel(*(op->key + i / 4), ss->base + SS_KEY0 + i); @@ -117,7 +118,7 @@ release_ss: sg_miter_stop(&mi); sg_miter_stop(&mo); writel(0, ss->base + SS_CTL); - spin_unlock_bh(&ss->slock); + spin_unlock_irqrestore(&ss->slock, flags); return err; } @@ -149,6 +150,7 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq) unsigned int ob = 0; /* offset in buf */ unsigned int obo = 0; /* offset in bufo*/ unsigned int obl = 0; /* length of data in bufo */ + unsigned long flags; if (areq->nbytes == 0) return 0; @@ -181,7 +183,7 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq) if (no_chunk == 1) return sun4i_ss_opti_poll(areq); - spin_lock_bh(&ss->slock); + spin_lock_irqsave(&ss->slock, flags); for (i = 0; i < op->keylen; i += 4) writel(*(op->key + i / 4), ss->base + SS_KEY0 + i); @@ -308,7 +310,7 @@ release_ss: sg_miter_stop(&mi); sg_miter_stop(&mo); writel(0, ss->base + SS_CTL); - spin_unlock_bh(&ss->slock); + spin_unlock_irqrestore(&ss->slock, flags); return err; } |