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authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-05-19 09:47:45 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-10-23 09:24:06 +0200
commit66e83e0e64d13376ff8b99c6b7a9f72de5f441ac (patch)
treecf74f4a2221c065c2debf26dd1278098fe6cfb72 /linux
parent1908686c310661f9f5a4766887280e9b2f702362 (diff)
downloadrtems-libbsd-66e83e0e64d13376ff8b99c6b7a9f72de5f441ac.tar.bz2
soc/qbman: Simplify bman_release()
Get the affine portal only once for the complete transaction. Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Diffstat (limited to 'linux')
-rw-r--r--linux/drivers/soc/fsl/qbman/bman.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/linux/drivers/soc/fsl/qbman/bman.c b/linux/drivers/soc/fsl/qbman/bman.c
index 2cc7f5c5..29a30dcb 100644
--- a/linux/drivers/soc/fsl/qbman/bman.c
+++ b/linux/drivers/soc/fsl/qbman/bman.c
@@ -735,26 +735,23 @@ int bman_release(struct bman_pool *pool, const struct bm_buffer *bufs, u8 num)
DPAA_ASSERT(num > 0 && num <= 8);
- do {
+ while (1) {
p = get_affine_portal();
local_irq_save(irqflags);
avail = bm_rcr_get_avail(&p->p);
if (avail < 2)
update_rcr_ci(p, avail);
r = bm_rcr_start(&p->p);
- local_irq_restore(irqflags);
- put_affine_portal();
if (likely(r))
break;
+ local_irq_restore(irqflags);
+ put_affine_portal();
+ if (unlikely(--timeout == 0))
+ return -ETIMEDOUT;
udelay(1);
- } while (--timeout);
-
- if (unlikely(!timeout))
- return -ETIMEDOUT;
+ }
- p = get_affine_portal();
- local_irq_save(irqflags);
/*
* we can copy all but the first entry, as this can trigger badness
* with the valid-bit