diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2022-03-05 00:02:57 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-04-20 14:55:42 +0300 |
| commit | 439b5e765a00a546e8f6b6eedac69889d0b5a869 (patch) | |
| tree | 00c32ba3f9a003cf5bde640e85f117830616dfc7 /drivers/dma | |
| parent | 96144c8fb3921aa8f02ecac2129d30fa36f93ccb (diff) | |
| download | linux-439b5e765a00a546e8f6b6eedac69889d0b5a869.tar.xz | |
dmaengine: idxd: move wq irq enabling to after device enable
Move the calling of request_irq() and other related irq setup code until
after the WQ is successfully enabled. This reduces the amount of
setup/teardown if the wq is not configured correctly and cannot be enabled.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164642777730.179702.1880317757087484299.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/idxd/dma.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/dma/idxd/dma.c b/drivers/dma/idxd/dma.c index 13e061944db9..644114465b33 100644 --- a/drivers/dma/idxd/dma.c +++ b/drivers/dma/idxd/dma.c @@ -291,13 +291,6 @@ static int idxd_dmaengine_drv_probe(struct idxd_dev *idxd_dev) mutex_lock(&wq->wq_lock); wq->type = IDXD_WQT_KERNEL; - rc = idxd_wq_request_irq(wq); - if (rc < 0) { - idxd->cmd_status = IDXD_SCMD_WQ_IRQ_ERR; - dev_dbg(dev, "WQ %d irq setup failed: %d\n", wq->id, rc); - goto err_irq; - } - rc = __drv_enable_wq(wq); if (rc < 0) { dev_dbg(dev, "Enable wq %d failed: %d\n", wq->id, rc); @@ -305,6 +298,13 @@ static int idxd_dmaengine_drv_probe(struct idxd_dev *idxd_dev) goto err; } + rc = idxd_wq_request_irq(wq); + if (rc < 0) { + idxd->cmd_status = IDXD_SCMD_WQ_IRQ_ERR; + dev_dbg(dev, "WQ %d irq setup failed: %d\n", wq->id, rc); + goto err_irq; + } + rc = idxd_wq_alloc_resources(wq); if (rc < 0) { idxd->cmd_status = IDXD_SCMD_WQ_RES_ALLOC_ERR; @@ -336,10 +336,10 @@ err_dma: err_ref: idxd_wq_free_resources(wq); err_res_alloc: - __drv_disable_wq(wq); -err: idxd_wq_free_irq(wq); err_irq: + __drv_disable_wq(wq); +err: wq->type = IDXD_WQT_NONE; mutex_unlock(&wq->wq_lock); return rc; |