summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorAnup Patel <anup.patel@broadcom.com>2017-08-22 12:56:55 +0300
committerVinod Koul <vinod.koul@intel.com>2017-08-28 14:14:24 +0300
commitabfa251afe27ee7820c3a082fe573ec5bedb3488 (patch)
tree7218ce44e3372f85d91555e1116aea5c5a177e6a /drivers/dma
parente7ae72aa65a1241bc3eec0ad5906e64da1158623 (diff)
downloadlinux-abfa251afe27ee7820c3a082fe573ec5bedb3488.tar.xz
dmaengine: bcm-sba-raid: Remove reqs_free_count from sba_device
The reqs_free_count member of sba_device is not used anywhere hence no point in tracking number of free sba_request. Signed-off-by: Anup Patel <anup.patel@broadcom.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/bcm-sba-raid.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c
index 9d3ed92e162c..fdc9891f1e2f 100644
--- a/drivers/dma/bcm-sba-raid.c
+++ b/drivers/dma/bcm-sba-raid.c
@@ -162,7 +162,6 @@ struct sba_device {
struct list_head reqs_completed_list;
struct list_head reqs_aborted_list;
struct list_head reqs_free_list;
- int reqs_free_count;
};
/* ====== Command helper routines ===== */
@@ -207,10 +206,8 @@ static struct sba_request *sba_alloc_request(struct sba_device *sba)
spin_lock_irqsave(&sba->reqs_lock, flags);
req = list_first_entry_or_null(&sba->reqs_free_list,
struct sba_request, node);
- if (req) {
+ if (req)
list_move_tail(&req->node, &sba->reqs_alloc_list);
- sba->reqs_free_count--;
- }
spin_unlock_irqrestore(&sba->reqs_lock, flags);
if (!req)
return NULL;
@@ -276,7 +273,6 @@ static void _sba_free_request(struct sba_device *sba,
list_move_tail(&req->node, &sba->reqs_free_list);
if (list_empty(&sba->reqs_active_list))
sba->reqs_fence = false;
- sba->reqs_free_count++;
}
static void sba_received_request(struct sba_request *req)
@@ -1523,8 +1519,6 @@ static int sba_prealloc_channel_resources(struct sba_device *sba)
list_add_tail(&req->node, &sba->reqs_free_list);
}
- sba->reqs_free_count = sba->max_req;
-
return 0;
fail_free_cmds_pool: