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| author | Anup Patel <anup.patel@broadcom.com> | 2017-08-22 15:27:03 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-08-28 16:44:24 +0530 |
| commit | b99c238669a7abdfc54d14494687c13856280a50 (patch) | |
| tree | ea07ffaa3d3e62aa2af3d3a23bd1083273fe086a | |
| parent | d6ffd2395a9225f89ab7e07b4ee5216018aa7787 (diff) | |
| download | linux-stable-b99c238669a7abdfc54d14494687c13856280a50.tar.gz linux-stable-b99c238669a7abdfc54d14494687c13856280a50.tar.bz2 linux-stable-b99c238669a7abdfc54d14494687c13856280a50.zip | |
dmaengine: bcm-sba-raid: Remove redundant SBA_REQUEST_STATE_RECEIVED
The SBA_REQUEST_STATE_RECEIVED state is now redundant because
received sba_request are immediately freed or moved to completed
list in sba_process_received_request().
This patch removes redundant SBA_REQUEST_STATE_RECEIVED state.
Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| -rw-r--r-- | drivers/dma/bcm-sba-raid.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c index abed03967e94..8d2487de1086 100644 --- a/drivers/dma/bcm-sba-raid.c +++ b/drivers/dma/bcm-sba-raid.c @@ -98,9 +98,8 @@ enum sba_request_flags { SBA_REQUEST_STATE_ALLOCED = 0x002, SBA_REQUEST_STATE_PENDING = 0x004, SBA_REQUEST_STATE_ACTIVE = 0x008, - SBA_REQUEST_STATE_RECEIVED = 0x010, - SBA_REQUEST_STATE_COMPLETED = 0x020, - SBA_REQUEST_STATE_ABORTED = 0x040, + SBA_REQUEST_STATE_COMPLETED = 0x010, + SBA_REQUEST_STATE_ABORTED = 0x020, SBA_REQUEST_STATE_MASK = 0x0ff, SBA_REQUEST_FENCE = 0x100, }; @@ -160,7 +159,6 @@ struct sba_device { struct list_head reqs_alloc_list; struct list_head reqs_pending_list; struct list_head reqs_active_list; - struct list_head reqs_received_list; struct list_head reqs_completed_list; struct list_head reqs_aborted_list; struct list_head reqs_free_list; @@ -307,18 +305,6 @@ static void _sba_complete_request(struct sba_device *sba, sba->reqs_fence = false; } -/* Note: Must be called with sba->reqs_lock held */ -static void _sba_received_request(struct sba_device *sba, - struct sba_request *req) -{ - lockdep_assert_held(&sba->reqs_lock); - req->flags &= ~SBA_REQUEST_STATE_MASK; - req->flags |= SBA_REQUEST_STATE_RECEIVED; - list_move_tail(&req->node, &sba->reqs_received_list); - if (list_empty(&sba->reqs_active_list)) - sba->reqs_fence = false; -} - static void sba_free_chained_requests(struct sba_request *req) { unsigned long flags; @@ -360,10 +346,6 @@ static void sba_cleanup_nonpending_requests(struct sba_device *sba) list_for_each_entry_safe(req, req1, &sba->reqs_alloc_list, node) _sba_free_request(sba, req); - /* Freeup all received request */ - list_for_each_entry_safe(req, req1, &sba->reqs_received_list, node) - _sba_free_request(sba, req); - /* Freeup all completed request */ list_for_each_entry_safe(req, req1, &sba->reqs_completed_list, node) _sba_free_request(sba, req); @@ -482,9 +464,6 @@ static void sba_process_received_request(struct sba_device *sba, _sba_free_request(sba, nreq); INIT_LIST_HEAD(&first->next); - /* Mark request as received */ - _sba_received_request(sba, first); - /* The client is allowed to attach dependent operations * until 'ack' is set */ @@ -1498,7 +1477,6 @@ static int sba_prealloc_channel_resources(struct sba_device *sba) INIT_LIST_HEAD(&sba->reqs_alloc_list); INIT_LIST_HEAD(&sba->reqs_pending_list); INIT_LIST_HEAD(&sba->reqs_active_list); - INIT_LIST_HEAD(&sba->reqs_received_list); INIT_LIST_HEAD(&sba->reqs_completed_list); INIT_LIST_HEAD(&sba->reqs_aborted_list); INIT_LIST_HEAD(&sba->reqs_free_list); |