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Diffstat (limited to 'drivers/misc/uacce/uacce.c')
-rw-r--r--drivers/misc/uacce/uacce.c11
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;
}