diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/bcm-sba-raid.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c index fdc9891f1e2f..9ab2d955ee14 100644 --- a/drivers/dma/bcm-sba-raid.c +++ b/drivers/dma/bcm-sba-raid.c @@ -113,9 +113,10 @@ struct sba_request { struct list_head next; atomic_t next_pending_count; /* BRCM message data */ - struct brcm_sba_command *cmds; struct brcm_message msg; struct dma_async_tx_descriptor tx; + /* SBA commands */ + struct brcm_sba_command cmds[0]; }; enum sba_version { @@ -153,7 +154,6 @@ struct sba_device { void *cmds_base; dma_addr_t cmds_dma_base; spinlock_t reqs_lock; - struct sba_request *reqs; bool reqs_fence; struct list_head reqs_alloc_list; struct list_head reqs_pending_list; @@ -1484,26 +1484,20 @@ static int sba_prealloc_channel_resources(struct sba_device *sba) INIT_LIST_HEAD(&sba->reqs_aborted_list); INIT_LIST_HEAD(&sba->reqs_free_list); - sba->reqs = devm_kcalloc(sba->dev, sba->max_req, - sizeof(*req), GFP_KERNEL); - if (!sba->reqs) { - ret = -ENOMEM; - goto fail_free_cmds_pool; - } - for (i = 0; i < sba->max_req; i++) { - req = &sba->reqs[i]; + req = devm_kzalloc(sba->dev, + sizeof(*req) + + sba->max_cmd_per_req * sizeof(req->cmds[0]), + GFP_KERNEL); + if (!req) { + ret = -ENOMEM; + goto fail_free_cmds_pool; + } INIT_LIST_HEAD(&req->node); req->sba = sba; req->flags = SBA_REQUEST_STATE_FREE; INIT_LIST_HEAD(&req->next); atomic_set(&req->next_pending_count, 0); - req->cmds = devm_kcalloc(sba->dev, sba->max_cmd_per_req, - sizeof(*req->cmds), GFP_KERNEL); - if (!req->cmds) { - ret = -ENOMEM; - goto fail_free_cmds_pool; - } for (j = 0; j < sba->max_cmd_per_req; j++) { req->cmds[j].cmd = 0; req->cmds[j].cmd_dma = sba->cmds_base + |