diff options
| author | Anup Patel <anup.patel@broadcom.com> | 2017-08-22 12:56:53 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-08-28 14:14:24 +0300 |
| commit | 10f1a33080258626e6ada567953d6a0bdadf5502 (patch) | |
| tree | 9da89089f96a633b68a32455d1093ce725f1f988 /drivers/dma/bcm-sba-raid.c | |
| parent | 57a285085985c80ee0c7baa9938f28cf7e6d69fe (diff) | |
| download | linux-10f1a33080258626e6ada567953d6a0bdadf5502.tar.xz | |
dmaengine: bcm-sba-raid: Remove redundant next_count from sba_request
The next_count in sba_request is redundant because same information
is captured by next_pending_count. This patch removes next_count
from 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/bcm-sba-raid.c')
| -rw-r--r-- | drivers/dma/bcm-sba-raid.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c index 0f6467173986..d59a5fa2d202 100644 --- a/drivers/dma/bcm-sba-raid.c +++ b/drivers/dma/bcm-sba-raid.c @@ -111,7 +111,6 @@ struct sba_request { /* Chained requests management */ struct sba_request *first; struct list_head next; - unsigned int next_count; atomic_t next_pending_count; /* BRCM message data */ void *resp; @@ -221,7 +220,6 @@ static struct sba_request *sba_alloc_request(struct sba_device *sba) req->flags = SBA_REQUEST_STATE_ALLOCED; req->first = req; INIT_LIST_HEAD(&req->next); - req->next_count = 1; atomic_set(&req->next_pending_count, 1); dma_async_tx_descriptor_init(&req->tx, &sba->dma_chan); @@ -342,8 +340,7 @@ static void sba_chain_request(struct sba_request *first, list_add_tail(&req->next, &first->next); req->first = first; - first->next_count++; - atomic_set(&first->next_pending_count, first->next_count); + atomic_inc(&first->next_pending_count); spin_unlock_irqrestore(&sba->reqs_lock, flags); } @@ -1501,7 +1498,6 @@ static int sba_prealloc_channel_resources(struct sba_device *sba) req->sba = sba; req->flags = SBA_REQUEST_STATE_FREE; INIT_LIST_HEAD(&req->next); - req->next_count = 1; atomic_set(&req->next_pending_count, 0); req->resp = sba->resp_base + p; req->resp_dma = sba->resp_dma_base + p; |