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authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-24 08:58:04 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-24 08:58:04 +0400
commit2d809dcd88f590d68dd741dc4d28a84128449fbd (patch)
treee00daba2e854f2646914f370157034db5dea071c /drivers/crypto
parent62688e5b6465395c093b91bd4c29794758eb24fe (diff)
parentce026cb9cbf1d529652394ea91fb8a459072be91 (diff)
downloadlinux-2d809dcd88f590d68dd741dc4d28a84128449fbd.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: "This push fixes a build error on 32-bit archs in the hifn driver as well as a potential deadlock in the caam driver." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: caam - fix possible deadlock condition crypto: hifn_795x - fix 64bit division and undefined __divdi3 on 32bit archs
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/caam/jr.c10
-rw-r--r--drivers/crypto/hifn_795x.c4
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 53c8c51d5881..93d14070141a 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -63,7 +63,7 @@ static void caam_jr_dequeue(unsigned long devarg)
head = ACCESS_ONCE(jrp->head);
- spin_lock_bh(&jrp->outlock);
+ spin_lock(&jrp->outlock);
sw_idx = tail = jrp->tail;
hw_idx = jrp->out_ring_read_index;
@@ -115,7 +115,7 @@ static void caam_jr_dequeue(unsigned long devarg)
jrp->tail = tail;
}
- spin_unlock_bh(&jrp->outlock);
+ spin_unlock(&jrp->outlock);
/* Finally, execute user's callback */
usercall(dev, userdesc, userstatus, userarg);
@@ -236,14 +236,14 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
return -EIO;
}
- spin_lock(&jrp->inplock);
+ spin_lock_bh(&jrp->inplock);
head = jrp->head;
tail = ACCESS_ONCE(jrp->tail);
if (!rd_reg32(&jrp->rregs->inpring_avail) ||
CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) {
- spin_unlock(&jrp->inplock);
+ spin_unlock_bh(&jrp->inplock);
dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE);
return -EBUSY;
}
@@ -265,7 +265,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
wr_reg32(&jrp->rregs->inpring_jobadd, 1);
- spin_unlock(&jrp->inplock);
+ spin_unlock_bh(&jrp->inplock);
return 0;
}
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index c9c4befb5a8d..df14358d7fa1 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -821,8 +821,8 @@ static int hifn_register_rng(struct hifn_device *dev)
/*
* We must wait at least 256 Pk_clk cycles between two reads of the rng.
*/
- dev->rng_wait_time = DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq) *
- 256;
+ dev->rng_wait_time = DIV_ROUND_UP_ULL(NSEC_PER_SEC,
+ dev->pk_clk_freq) * 256;
dev->rng.name = dev->name;
dev->rng.data_present = hifn_rng_data_present,