From 4ba2a8b4d80a864a02d5d6898ae54f9d45afbb33 Mon Sep 17 00:00:00 2001 From: Pranith Kumar Date: Thu, 13 Nov 2014 14:24:07 -0500 Subject: [PATCH] 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 Reviewed-by: Kim Phillips Signed-off-by: Herbert Xu --- 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 4d18e27ffa9e..9207c907a128 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); -- 2.30.2