linux-kernel - Re: [PATCH 5.4 043/355] reset: tegra-bpmp: Handle errors in BPMP response

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Message-ID: <94e5add7-9e65-cbfb-46b5-b6eee6514247@nvidia.com>
Date:   Mon, 15 Nov 2021 19:19:58 +0200
From:   Mikko Perttunen <mperttunen@...dia.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     <stable@...r.kernel.org>, Philipp Zabel <p.zabel@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.4 043/355] reset: tegra-bpmp: Handle errors in BPMP
 response

On 15.11.2021 18.59, Greg Kroah-Hartman wrote:
> From: Mikko Perttunen <mperttunen@...dia.com>
> 
> [ Upstream commit c045ceb5a145d2a9a4bf33cbc55185ddf99f60ab ]
> 
> The return value from tegra_bpmp_transfer indicates the success or
> failure of the IPC transaction with BPMP. If the transaction
> succeeded, we also need to check the actual command's result code.
> Add code to do this.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> Link: https://lore.kernel.org/r/20210915085517.1669675-2-mperttunen@nvidia.com
> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
> ...
Can we drop this patch from all stable trees. A revert has been 
submitted by Jon Hunter -- the reason is that the tegra-hda driver has a 
(harmless) bug that was previously masked, but with this patch causes 
the driver to fail to probe.

Thanks,
Mikko