+++ /dev/null
---- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
-+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
-@@ -86,13 +86,8 @@ ath5k_add_interface(struct ieee80211_hw
- goto end;
- }
-
-- /* Don't allow other interfaces if one ad-hoc is configured.
-- * TODO: Fix the problems with ad-hoc and multiple other interfaces.
-- * We would need to operate the HW in ad-hoc mode to allow TSF updates
-- * for the IBSS, but this breaks with additional AP or STA interfaces
-- * at the moment. */
-- if (ah->num_adhoc_vifs ||
-- (ah->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) {
-+ /* Don't allow more than one ad-hoc interface */
-+ if (ah->num_adhoc_vifs && vif->type == NL80211_IFTYPE_ADHOC) {
- ATH5K_ERR(ah, "Only one single ad-hoc interface is allowed.\n");
- ret = -ELNRNG;
- goto end;
---- a/drivers/net/wireless/ath/ath5k/base.c
-+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -1965,7 +1965,7 @@ ath5k_beacon_send(struct ath5k_hw *ah)
- }
-
- if ((ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs +
-- ah->num_mesh_vifs > 1) ||
-+ ah->num_adhoc_vifs + ah->num_mesh_vifs > 1) ||
- ah->opmode == NL80211_IFTYPE_MESH_POINT) {
- u64 tsf = ath5k_hw_get_tsf64(ah);
- u32 tsftu = TSF_TO_TU(tsf);
-@@ -2051,7 +2051,7 @@ ath5k_beacon_update_timers(struct ath5k_
-
- intval = ah->bintval & AR5K_BEACON_PERIOD;
- if (ah->opmode == NL80211_IFTYPE_AP && ah->num_ap_vifs
-- + ah->num_mesh_vifs > 1) {
-+ + ah->num_adhoc_vifs + ah->num_mesh_vifs > 1) {
- intval /= ATH_BCBUF; /* staggered multi-bss beacons */
- if (intval < 15)
- ATH5K_WARN(ah, "intval %u is too low, min 15\n",
-@@ -2518,6 +2518,7 @@ static const struct ieee80211_iface_limi
- BIT(NL80211_IFTYPE_MESH_POINT) |
- #endif
- BIT(NL80211_IFTYPE_AP) },
-+ { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) },
- };
-
- static const struct ieee80211_iface_combination if_comb = {