linux-kernel - Re: [PATCH 06/10] wifi: ath12k: fix ath12k_core_pre_reconfigure

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Message-ID: <f3e8a292-9d2a-40df-a595-bc0917def320@oss.qualcomm.com>
Date: Mon, 13 Jan 2025 11:22:41 -0800
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: Aditya Kumar Singh <quic_adisi@...cinc.com>,
        Kalle Valo
 <kvalo@...nel.org>, Jeff Johnson <jjohnson@...nel.org>,
        Karthikeyan Periyasamy <quic_periyasa@...cinc.com>,
        Harshitha Prem <quic_hprem@...cinc.com>
Cc: Kalle Valo <quic_kvalo@...cinc.com>, linux-wireless@...r.kernel.org,
        ath12k@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/10] wifi: ath12k: fix
 ath12k_core_pre_reconfigure_recovery() with grouping

On 1/8/2025 8:25 PM, Aditya Kumar Singh wrote:
> Currently, ath12k_core_pre_reconfigure_recovery() reconfigures all radios
> within the same group. During grouping and driver going for a recovery,
> this function is called as many times as there are devices in the group.
> Consequently, it performs the same reconfiguration multiple times, which
> is unnecessary.
> 
> To prevent this, add a check to continue if the action has already been
> taken.
> 
> To simplify the management of various flags, the reason for hardware queues
> being stopped is used as a check instead of introducing a new flag.
> 
> While at it, also add missing wiphy locks. Wiphy lock is required since
> ath12k_mac_drain_tx() which is called by
> ath12k_core_pre_reconfigure_recovery() needs this lock to be held by the
> caller.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Aditya Kumar Singh <quic_adisi@...cinc.com>

Acked-by: Jeff Johnson <jeff.johnson@....qualcomm.com>