linux-kernel - Re: [PATCH] soc: mediatek: mtk-svs: Enable the IRQ later

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Date:   Wed, 30 Nov 2022 12:00:18 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Ricardo Ribalda <ribalda@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] soc: mediatek: mtk-svs: Enable the IRQ later

Il 27/11/22 21:22, Ricardo Ribalda ha scritto:
> If the system does not come from reset (like when is booted via
> kexec()), the peripheral might triger an IRQ before the data structures
> are initialised.
> 
> Fixes:
> 
> [    0.227710] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000f08
> [    0.227913] Call trace:
> [    0.227918]  svs_isr+0x8c/0x538
> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>