This is a note to let you know that I've just added the patch titled Revert "wcn36xx: Disable bmps when encryption is disabled" to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: revert-wcn36xx-disable-bmps-when-encryption-is-disabled.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 285bb1738e196507bf985574d0bc1e9dd72d46b1 Mon Sep 17 00:00:00 2001 From: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx> Date: Fri, 22 Oct 2021 15:04:47 +0100 Subject: Revert "wcn36xx: Disable bmps when encryption is disabled" From: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx> commit 285bb1738e196507bf985574d0bc1e9dd72d46b1 upstream. This reverts commit c6522a5076e1a65877c51cfee313a74ef61cabf8. Testing on tip-of-tree shows that this is working now. Revert this and re-enable BMPS for Open APs. Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211022140447.2846248-3-bryan.odonoghue@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/wcn36xx/main.c | 10 ---------- drivers/net/wireless/ath/wcn36xx/pmc.c | 5 +---- drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 1 - 3 files changed, 1 insertion(+), 15 deletions(-) --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -604,15 +604,6 @@ static int wcn36xx_set_key(struct ieee80 } } } - /* FIXME: Only enable bmps support when encryption is enabled. - * For any reasons, when connected to open/no-security BSS, - * the wcn36xx controller in bmps mode does not forward - * 'wake-up' beacons despite AP sends DTIM with station AID. - * It could be due to a firmware issue or to the way driver - * configure the station. - */ - if (vif->type == NL80211_IFTYPE_STATION) - vif_priv->allow_bmps = true; break; case DISABLE_KEY: if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) { @@ -913,7 +904,6 @@ static void wcn36xx_bss_info_changed(str vif->addr, bss_conf->aid); vif_priv->sta_assoc = false; - vif_priv->allow_bmps = false; wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, --- a/drivers/net/wireless/ath/wcn36xx/pmc.c +++ b/drivers/net/wireless/ath/wcn36xx/pmc.c @@ -23,10 +23,7 @@ int wcn36xx_pmc_enter_bmps_state(struct { int ret = 0; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - - if (!vif_priv->allow_bmps) - return -ENOTSUPP; - + /* TODO: Make sure the TX chain clean */ ret = wcn36xx_smd_enter_bmps(wcn, vif); if (!ret) { wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n"); --- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h +++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h @@ -128,7 +128,6 @@ struct wcn36xx_vif { enum wcn36xx_hal_bss_type bss_type; /* Power management */ - bool allow_bmps; enum wcn36xx_power_state pw_state; u8 bss_index; Patches currently in stable-queue which might be from bryan.odonoghue@xxxxxxxxxx are queue-5.14/revert-wcn36xx-disable-bmps-when-encryption-is-disabled.patch