diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 16:36:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 16:36:09 +0200 |
| commit | 5ecb11dd892f443d4900292edaba88a26efee8fe (patch) | |
| tree | d92c07b74431f862289a86230c66e2ef790f8980 /drivers/fpga/dfl.c | |
| parent | 7c783601a3bc22a54cce0fb650259a983c8cafba (diff) | |
| parent | 5816b3e6577eaa676ceb00a848f0fd65fe2adc29 (diff) | |
Merge 5.15-rc3 into tty-next
We need the tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; |