diff options
| author | Manikanta Pubbisetty <quic_mpubbise@quicinc.com> | 2022-09-19 15:47:14 +0300 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2022-09-19 16:03:34 +0300 |
| commit | 69ccee619a38f223308d5da43f0926ac9ca10182 (patch) | |
| tree | 43e1ff75f4171a6ee3742814ea5e7d28d78c1623 /drivers/net/wireless/ath/ath11k/wow.c | |
| parent | 957f60273af89b6311045bdf7aaee66da154549a (diff) | |
wifi: ath11k: Add WoW support for WCN6750
Add support for WoW on WCN6750 chipset.
Unlike other chips where WoW exit happens after sending WoW wakeup
WMI command, exit from WoW suspend in the case of WCN6750 happens
upon sending a WoW exit SMP2P (Shared memory point to point) message
to the firmware.
Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220902112520.24804-3-quic_mpubbise@quicinc.com
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/wow.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/wow.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/wow.c b/drivers/net/wireless/ath/ath11k/wow.c index b3e65cd13d83..0bf716fb0e70 100644 --- a/drivers/net/wireless/ath/ath11k/wow.c +++ b/drivers/net/wireless/ath/ath11k/wow.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2020 The Linux Foundation. All rights reserved. + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved. */ #include <linux/delay.h> @@ -67,6 +68,13 @@ int ath11k_wow_wakeup(struct ath11k_base *ab) struct ath11k *ar = ath11k_ab_to_ar(ab, 0); int ret; + /* In the case of WCN6750, WoW wakeup is done + * by sending SMP2P power save exit message + * to the target processor. + */ + if (ab->hw_params.smp2p_wow_exit) + return 0; + reinit_completion(&ab->wow.wakeup_completed); ret = ath11k_wmi_wow_host_wakeup_ind(ar); |