diff options
| author | Pranith Kumar <bobby.prani@gmail.com> | 2014-11-13 14:24:07 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-11-17 09:53:47 -0500 |
| commit | 4ba2a8b4d80a864a02d5d6898ae54f9d45afbb33 (patch) | |
| tree | ccaee595f57362d14b911acbdb2f8fe190ee6390 /drivers/crypto/caam/jr.c | |
| parent | 47ca5be9eb066befe284f4e03fc11f21b8321ddc (diff) | |
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/caam/jr.c')
| -rw-r--r-- | drivers/crypto/caam/jr.c | 3 |
1 files changed, 0 insertions, 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) | |||
| 181 | for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) { | 181 | for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) { |
| 182 | sw_idx = (tail + i) & (JOBR_DEPTH - 1); | 182 | sw_idx = (tail + i) & (JOBR_DEPTH - 1); |
| 183 | 183 | ||
| 184 | smp_read_barrier_depends(); | ||
| 185 | |||
| 186 | if (jrp->outring[hw_idx].desc == | 184 | if (jrp->outring[hw_idx].desc == |
| 187 | jrp->entinfo[sw_idx].desc_addr_dma) | 185 | jrp->entinfo[sw_idx].desc_addr_dma) |
| 188 | break; /* found */ | 186 | break; /* found */ |
| @@ -218,7 +216,6 @@ static void caam_jr_dequeue(unsigned long devarg) | |||
| 218 | if (sw_idx == tail) { | 216 | if (sw_idx == tail) { |
| 219 | do { | 217 | do { |
| 220 | tail = (tail + 1) & (JOBR_DEPTH - 1); | 218 | tail = (tail + 1) & (JOBR_DEPTH - 1); |
| 221 | smp_read_barrier_depends(); | ||
| 222 | } while (CIRC_CNT(head, tail, JOBR_DEPTH) >= 1 && | 219 | } while (CIRC_CNT(head, tail, JOBR_DEPTH) >= 1 && |
| 223 | jrp->entinfo[tail].desc_addr_dma == 0); | 220 | jrp->entinfo[tail].desc_addr_dma == 0); |
| 224 | 221 | ||