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

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Message-ID: <ed010318-8a10-4a8c-b8d4-721bdf631c2b@collabora.com>
Date: Wed, 2 Jul 2025 20:25:03 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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 7/1/25 3:25 PM, Greg Kroah-Hartman wrote:
> 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?
I'll add it to entire series.