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authorPranith Kumar <bobby.prani@gmail.com>2014-11-13 14:24:07 -0500
committerHerbert Xu <herbert@gondor.apana.org.au>2014-11-17 22:53:47 +0800
commit4ba2a8b4d80a864a02d5d6898ae54f9d45afbb33 (patch)
treeccaee595f57362d14b911acbdb2f8fe190ee6390 /drivers/crypto
parent47ca5be9eb066befe284f4e03fc11f21b8321ddc (diff)
downloadop-kernel-dev-4ba2a8b4d80a864a02d5d6898ae54f9d45afbb33.zip
op-kernel-dev-4ba2a8b4d80a864a02d5d6898ae54f9d45afbb33.tar.gz
crypto: caam - Remove unnecessary smp_read_barrier_depends()
Recently lockless_dereference() was added which can be used in place of hard-coding smp_read_barrier_depends(). The following PATCH makes the change. Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/caam/jr.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 4d18e27..9207c90 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -181,8 +181,6 @@ static void caam_jr_dequeue(unsigned long devarg)
for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) {
sw_idx = (tail + i) & (JOBR_DEPTH - 1);
- smp_read_barrier_depends();
-
if (jrp->outring[hw_idx].desc ==
jrp->entinfo[sw_idx].desc_addr_dma)
break; /* found */
@@ -218,7 +216,6 @@ static void caam_jr_dequeue(unsigned long devarg)
if (sw_idx == tail) {
do {
tail = (tail + 1) & (JOBR_DEPTH - 1);
- smp_read_barrier_depends();
} while (CIRC_CNT(head, tail, JOBR_DEPTH) >= 1 &&
jrp->entinfo[tail].desc_addr_dma == 0);
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