linux-kernel - Re: [PATCH 14/14] media: sunxi: sun8i-a83t-mipi-csi2: Avoid using the (unsolicited) interrupt

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Message-ID: <20201026165743.mhbt6tf27pf7pkuk@gilmour.lan>
Date:   Mon, 26 Oct 2020 17:57:43 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-sunxi@...glegroups.com,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Yong Deng <yong.deng@...ewell.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Helen Koike <helen.koike@...labora.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Hans Verkuil <hverkuil@...all.nl>, kevin.lhopital@...mail.com
Subject: Re: [PATCH 14/14] media: sunxi: sun8i-a83t-mipi-csi2: Avoid using
 the (unsolicited) interrupt

On Fri, Oct 23, 2020 at 07:45:46PM +0200, Paul Kocialkowski wrote:
> The A83T MIPI CSI-2 apparently produces interrupts regardless of the mask
> registers, for example when a transmission error occurs.
> 
> This generates quite a flood when unsolicited interrupts are received on
> each received frame. As a result, disable the interrupt for now since
> we are not currently using it for error reporting.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

This should be merged into the driver patch

Maxime

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