diff options
Diffstat (limited to 'drivers/misc/uacce/uacce.c')
| -rw-r--r-- | drivers/misc/uacce/uacce.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c index bae18ef03dcb..488eeb2811ae 100644 --- a/drivers/misc/uacce/uacce.c +++ b/drivers/misc/uacce/uacce.c @@ -387,15 +387,22 @@ static void uacce_release(struct device *dev) 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; - if (iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_IOPF)) + 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; + } - if (iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_SVA)) { + ret = iommu_dev_enable_feature(parent, IOMMU_DEV_FEAT_SVA); + if (ret) { + dev_err(parent, "failed to enable SVA feature! ret = %pe\n", ERR_PTR(ret)); iommu_dev_disable_feature(parent, IOMMU_DEV_FEAT_IOPF); return flags; } |