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Commit 4ba2a8b4 authored by Pranith Kumar's avatar Pranith Kumar Committed by Herbert Xu
Browse files

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: default avatarPranith Kumar <bobby.prani@gmail.com>
Reviewed-by: default avatarKim Phillips <kim.phillips@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 47ca5be9

drivers/crypto/caam/jr.c

+0 −3
Original line number Diff line number Diff line
@@ -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);