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Subject[PATCH 01/16] crypto: caam - Remove unnecessary smp_read_barrier_depends()
Date
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>
---
drivers/crypto/caam/jr.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index bae20d8..9b3ef1bc 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);

--
1.9.1


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