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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>
This commit is contained in:
Anup Patel 2017-08-22 15:26:55 +05:30 committed by Vinod Koul
parent e7ae72aa65
commit abfa251afe
1 changed files with 1 additions and 7 deletions
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8
drivers/dma/bcm-sba-raid.c
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@ -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: