linux-kernel - Re: [PATCH 2/3] bus: mhi: don't deinitialize and re-initialize again

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Message-ID: <2025070128-chihuahua-slimness-da88@gregkh>
Date: Tue, 1 Jul 2025 12:25:34 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: Manivannan Sadhasivam <mani@...nel.org>,
	Jeff Johnson <jjohnson@...nel.org>,
	Jeff Hugo <jeff.hugo@....qualcomm.com>,
	Youssef Samir <quic_yabdulra@...cinc.com>,
	Matthew Leung <quic_mattleun@...cinc.com>,
	Yan Zhen <yanzhen@...o.com>,
	Alexander Wilhelm <alexander.wilhelm@...termo.com>,
	Alex Elder <elder@...nel.org>, Kunwu Chan <chentao@...inos.cn>,
	Siddartha Mohanadoss <smohanad@...eaurora.org>,
	Sujeev Dias <sdias@...eaurora.org>,
	Julia Lawall <julia.lawall@...6.fr>,
	John Crispin <john@...ozen.org>,
	Muna Sinada <quic_msinada@...cinc.com>,
	Venkateswara Naralasetty <quic_vnaralas@...cinc.com>,
	Maharaja Kennadyrajan <quic_mkenna@...cinc.com>,
	mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	ath11k@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH 2/3] bus: mhi: don't deinitialize and re-initialize again

On Mon, Jun 30, 2025 at 12:43:29PM +0500, Muhammad Usama Anjum wrote:
> Don't deinitialize and reinitialize the HAL helpers. The dma memory is
> deallocated and there is high possibility that we'll not be able to get
> the same memory allocated from dma when there is high memory pressure.
> 
> Tested-on: WCN6855 WLAN.HSP.1.1-03926.13-QCAHSPSWPL_V2_SILICONZ_CE-2.52297.6
> 
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")

No cc: stable?