diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2025-04-18 16:01:28 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2025-04-28 13:04:34 +0200 |
| commit | ec027bf7e889845dd6119132cc672a6f6aa0337f (patch) | |
| tree | d2a3b23fb61179b50f0a8d98f06d36e457fd0253 | |
| parent | 853b01b5efd742271a52aa84897c67615414ae02 (diff) | |
uacce: Remove unnecessary IOMMU_DEV_FEAT_IOPF
None of the drivers implement anything for IOMMU_DEV_FEAT_IOPF anymore,
remove it to avoid dead code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Link: https://lore.kernel.org/r/20250418080130.1844424-7-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/misc/uacce/uacce.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c index 2a1db2abeeca..42e7d2a2a90c 100644 --- a/drivers/misc/uacce/uacce.c +++ b/drivers/misc/uacce/uacce.c @@ -465,31 +465,6 @@ static void uacce_release(struct device *dev) kfree(uacce); } -static unsigned int uacce_enable_sva(struct device *parent, unsigned int flags) -{ - int ret; - - if (!(flags & UACCE_DEV_SVA)) - return flags; - - flags &= ~UACCE_DEV_SVA; - - ret = iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_IOPF); - if (ret) { - dev_err(parent, "failed to enable IOPF feature! ret = %pe\n", ERR_PTR(ret)); - return flags; - } - return flags | UACCE_DEV_SVA; -} - -static void uacce_disable_sva(struct uacce_device *uacce) -{ - if (!(uacce->flags & UACCE_DEV_SVA)) - return; - - iommu_dev_disable_feature(uacce->parent, IOMMU_DEV_FEAT_IOPF); -} - /** * uacce_alloc() - alloc an accelerator * @parent: pointer of uacce parent device @@ -509,8 +484,6 @@ struct uacce_device *uacce_alloc(struct device *parent, if (!uacce) return ERR_PTR(-ENOMEM); - flags = uacce_enable_sva(parent, flags); - uacce->parent = parent; uacce->flags = flags; uacce->ops = interface->ops; @@ -533,7 +506,6 @@ struct uacce_device *uacce_alloc(struct device *parent, return uacce; err_with_uacce: - uacce_disable_sva(uacce); kfree(uacce); return ERR_PTR(ret); } @@ -596,9 +568,6 @@ void uacce_remove(struct uacce_device *uacce) unmap_mapping_range(q->mapping, 0, 0, 1); } - /* disable sva now since no opened queues */ - uacce_disable_sva(uacce); - if (uacce->cdev) cdev_device_del(uacce->cdev, &uacce->dev); xa_erase(&uacce_xa, uacce->dev_id); |