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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-05-21 11:15:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-05-21 11:15:56 -0700 |
| commit | d4e034b4c43f289a4d96144e209f47f453aae4f8 (patch) | |
| tree | 555f254a39a09326a25b1a51a0bdbe3bbadca123 /drivers/dma/idxd/cdev.c | |
| parent | 34dcc466103e1de5376db85b043bdde19fa0c0ff (diff) | |
| parent | 28059ddbee0eb92730931a652e16a994499a7858 (diff) | |
Merge tag 'dmaengine-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New HW support:
- Freescale i.MX8ULP edma support in edma driver
- StarFive JH8100 DMA support in Synopsis axi-dmac driver
Updates:
- Tracing support for freescale edma driver, updates to dpaa2 driver
- Remove unused QCom hidma DT support
- Support for i2c dma in imx-sdma
- Maintainers update for idxd and edma drivers"
* tag 'dmaengine-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (42 commits)
MAINTAINERS: Update role for IDXD driver
dmaengine: fsl-edma: use _Generic to handle difference type
dmaengine: fsl-edma: add trace event support
dmaengine: idxd: Avoid unnecessary destruction of file_ida
dmaengine: xilinx: xdma: fix module autoloading
dt-bindings: dma: fsl-edma: allow 'power-domains' property
dt-bindings: dma: fsl-edma: remove 'clocks' from required
dmaengine: fsl-dpaa2-qdma: Fix kernel-doc check warning
dmaengine: imx-sdma: Add i2c dma support
dmaengine: imx-sdma: utilize compiler to calculate ADDRS_ARRAY_SIZE_V<n>
dt-bindings: fsl-imx-sdma: Add I2C peripheral types ID
dt-bindings: fsl-dma: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string
dmaengine: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string
dt-bindings: dma: Drop unused QCom hidma binding
dmaengine: qcom: Drop hidma DT support
dmaengine: pl08x: Use kcalloc() instead of kzalloc()
dmaengine: fsl-dpaa2-qdma: Update DPDMAI interfaces to version 3
dmaengine: fsl-edma: fix miss mutex unlock at an error return path
dmaengine: pch_dma: remove unused function chan2parent
dmaengine: fsl-dpaa2-qdma: Add dpdmai_cmd_open
...
Diffstat (limited to 'drivers/dma/idxd/cdev.c')
| -rw-r--r-- | drivers/dma/idxd/cdev.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index 39935071174a..57f1bf2ab20b 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -577,7 +577,6 @@ void idxd_wq_del_cdev(struct idxd_wq *wq) struct idxd_cdev *idxd_cdev; idxd_cdev = wq->idxd_cdev; - ida_destroy(&file_ida); wq->idxd_cdev = NULL; cdev_device_del(&idxd_cdev->cdev, cdev_dev(idxd_cdev)); put_device(cdev_dev(idxd_cdev)); @@ -593,6 +592,14 @@ static int idxd_user_drv_probe(struct idxd_dev *idxd_dev) if (idxd->state != IDXD_DEV_ENABLED) return -ENXIO; + mutex_lock(&wq->wq_lock); + + if (!idxd_wq_driver_name_match(wq, dev)) { + idxd->cmd_status = IDXD_SCMD_WQ_NO_DRV_NAME; + rc = -ENODEV; + goto wq_err; + } + /* * User type WQ is enabled only when SVA is enabled for two reasons: * - If no IOMMU or IOMMU Passthrough without SVA, userspace @@ -608,14 +615,7 @@ static int idxd_user_drv_probe(struct idxd_dev *idxd_dev) dev_dbg(&idxd->pdev->dev, "User type WQ cannot be enabled without SVA.\n"); - return -EOPNOTSUPP; - } - - mutex_lock(&wq->wq_lock); - - if (!idxd_wq_driver_name_match(wq, dev)) { - idxd->cmd_status = IDXD_SCMD_WQ_NO_DRV_NAME; - rc = -ENODEV; + rc = -EOPNOTSUPP; goto wq_err; } |
