summaryrefslogtreecommitdiff
path: root/drivers/fpga/dfl.c
diff options
context:
space:
mode:
authorBorislav Petkov <bp@suse.de>2021-10-04 17:37:22 +0200
committerBorislav Petkov <bp@suse.de>2021-10-04 17:37:22 +0200
commitc7419a6e1aa3219ff62045ab6e56e37d5ad2d292 (patch)
treea5145db864629e50196ba0f13e0b1c80f7d4331a /drivers/fpga/dfl.c
parent7fae4c24a2b84a66c7be399727aca11e7a888462 (diff)
parente9d1d2bb75b2d5d4b426769c5aae0ce8cef3558f (diff)
Merge branch x86/cc into x86/core
Pick up dependent cc_platform_has() changes. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/fpga/dfl.c')
-rw-r--r--drivers/fpga/dfl.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index c99b78ee008a..f86666cf2c6a 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -1019,16 +1019,18 @@ create_feature_instance(struct build_feature_devs_info *binfo,
{
unsigned int irq_base, nr_irqs;
struct dfl_feature_info *finfo;
+ u8 revision = 0;
int ret;
- u8 revision;
u64 v;
- v = readq(binfo->ioaddr + ofst);
- revision = FIELD_GET(DFH_REVISION, v);
+ if (fid != FEATURE_ID_AFU) {
+ v = readq(binfo->ioaddr + ofst);
+ revision = FIELD_GET(DFH_REVISION, v);
- /* read feature size and id if inputs are invalid */
- size = size ? size : feature_size(v);
- fid = fid ? fid : feature_id(v);
+ /* read feature size and id if inputs are invalid */
+ size = size ? size : feature_size(v);
+ fid = fid ? fid : feature_id(v);
+ }
if (binfo->len - ofst < size)
return -EINVAL;