diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-10-08 11:13:17 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-10-08 11:13:17 -0300 |
| commit | 47e7dd34a26def31af352df3a8281e7ff1bc345a (patch) | |
| tree | f8cbd86ce126d65f79bca2ceefbaea6130923e1b /drivers/fpga/dfl.c | |
| parent | be8ecc57f180415e8a7c1cc5620c5236be2a7e56 (diff) | |
| parent | 1da38549dd64c7f5dd22427f12dfa8db3d8a722b (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up the fixes in perf/urgent that were just merged into upstream.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/fpga/dfl.c')
| -rw-r--r-- | drivers/fpga/dfl.c | 14 |
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; |