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Message-ID: <f1afb9f3-8f7f-4da6-989f-6183cd692bc9@oss.qualcomm.com>
Date: Mon, 13 Jan 2025 11:06:42 -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 02/10] wifi: ath12k: add reference counting for core
attachment to hardware group
On 1/8/2025 8:25 PM, Aditya Kumar Singh wrote:
> Currently, driver does not manage reference counting for attaching and
> detaching cores to/from hardware groups. This can lead to issues when
> multiple cores are involved. Or with same core, attach/detach is called
> multiple times back to back.
>
> Fix this issue by using reference counting.
>
> With that, it is now ensured that the core is properly attached or detached
> from the hardware group and even back to back calls will not alter the
> count.
>
> Additionally, add some debug logs during the attachment and detachment
> events for better debugging and tracking.
>
> 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>
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