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authorJakub Kicinski <kuba@kernel.org>2021-09-30 14:49:21 -0700
committerJakub Kicinski <kuba@kernel.org>2021-09-30 14:49:21 -0700
commitdd9a887b35b01d7027f974f5e7936f1410ab51ca (patch)
tree4a827b3e88fd896de1408c26ebebc2535b14750a /drivers/fpga/dfl.c
parentb05173028cc52384be42dcf81abdb4133caccfa5 (diff)
parent4de593fb965fc2bd11a0b767e0c65ff43540a6e4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/phy/bcm7xxx.c d88fd1b546ff ("net: phy: bcm7xxx: Fixed indirect MMD operations") f68d08c437f9 ("net: phy: bcm7xxx: Add EPHY entry for 72165") net/sched/sch_api.c b193e15ac69d ("net: prevent user from passing illegal stab size") 69508d43334e ("net_sched: Use struct_size() and flex_array_size() helpers") Both cases trivial - adjacent code additions. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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;