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Date: Mon, 8 Jan 2024 18:42:18 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Sasha Levin <sashal@kernel.org>,
	Douglas Anderson <dianders@chromium.org>,
	Rakesh Pillai <pillair@codeaurora.org>,
	Yongqin Liu <yongqin.liu@linaro.org>,
	Stable <stable@vger.kernel.org>
Subject: Re: [PATCH for-5.4.y 0/4] db845c(sdm845) ath10k fixes
Message-ID: <2024010811-unfocused-backlight-d8a1@gregkh>
References: <20240108153737.3538218-1-amit.pundir@linaro.org>
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In-Reply-To: <20240108153737.3538218-1-amit.pundir@linaro.org>

On Mon, Jan 08, 2024 at 09:07:33PM +0530, Amit Pundir wrote:
> Hi,
> 
> v5.4.y commit 3cf391e4174a ("wifi: ath10k: Don't touch the CE
> interrupt registers after power up"), which is commit 170c75d43a77
> upstream, unleashed multiple DB845c(sdm845) regressions ranging
> from random RCU stalls to UFS crashes as also reported here
> https://lore.kernel.org/lkml/20230630151842.1.If764ede23c4e09a43a842771c2ddf99608f25f8e@changeid/
> 
> Taking a cue from the commit message of 170c75d43a77, I tried
> backporting upstream commit d66d24ac300c ("ath10k: Keep track of
> which interrupts fired, don't poll them") and other relevant fixes
> and that seem to have done the trick.
> 
> We no longer see any of the above reported regressions with the
> following patchset. This upstream patchset is just an educated
> guess and there may be one or more fixes in this series which are
> not needed at all but I have not tested them individually and
> marked all of them as Stable-dep-of: 170c75d43a77 ("ath10k: Don't
> touch the CE interrupt registers after power up") instead.

All now queued up, thanks.

greg k-h