linux-kernel - Re: [PATCH] mailbox: tegra-hsp: Set lockdep class dynamically

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Message-ID: <YCpMcNRgq43FIPJH@ulmo.localdomain>
Date:   Mon, 15 Feb 2021 11:26:56 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Mikko Perttunen <mperttunen@...dia.com>
Cc:     jassisinghbrar@...il.com, jonathanh@...dia.com,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] mailbox: tegra-hsp: Set lockdep class dynamically

On Wed, Feb 10, 2021 at 03:49:45PM +0200, Mikko Perttunen wrote:
> On Tegra194, due to both BPMP and TCU using mailboxes, we get a
> lockdep spew at boot. Both are using different instances of HSP,
> so this is harmless. As such give each HSP instance a different
> lockdep class.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
>  drivers/mailbox/tegra-hsp.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)

Acked-by: Thierry Reding <treding@...dia.com>

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