From: Sean Wang <sean.wang@xxxxxxxxxxxx> MT7921 device can be supported with the channel context depending on the newer firmware so that we need a way to enable the chanctx related methods until hw is being registered. Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx> --- net/mac80211/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 5b1c47ed0cc0..98d05ed1a081 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1011,6 +1011,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) return -EINVAL; #endif + /* check all or no channel context operations exist */ + i = !!local->ops->add_chanctx + !!local->ops->remove_chanctx + + !!local->ops->change_chanctx + !!local->ops->assign_vif_chanctx + + !!local->ops->unassign_vif_chanctx; + if (WARN_ON(i != 0 && i != 5)) + return -EINVAL; + local->use_chanctx = i == 5; + if (!local->use_chanctx) { for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { const struct ieee80211_iface_combination *comb; -- 2.25.1