linux-kernel - Re: [PATCH v6 3/7] i2c: mediatek: Dump i2c/dma register when a timeout occurs

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Message-ID: <1630488701.11251.5.camel@mhfsdcap03>
Date:   Wed, 1 Sep 2021 17:31:41 +0800
From:   Qii Wang <qii.wang@...iatek.com>
To:     Kewei Xu <kewei.xu@...iatek.com>
CC:     <wsa@...-dreams.de>, <matthias.bgg@...il.com>,
        <robh+dt@...nel.org>, <linux-i2c@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <leilk.liu@...iatek.com>,
        <liguo.zhang@...iatek.com>, <caiyu.chen@...iatek.com>,
        <ot_daolong.zhu@...iatek.com>, <yuhan.wei@...iatek.com>
Subject: Re: [PATCH v6 3/7] i2c: mediatek: Dump i2c/dma register when a
 timeout occurs

On Sat, 2021-08-28 at 18:50 +0800, Kewei Xu wrote:
> When a timeout error occurs in i2c transter, it is usually related
> to the i2c/dma IP hardware configuration. Therefore, the purpose of
> this patch is to dump the key register values of i2c/dma when a
> timeout occurs in i2c for debugging.
> 
> Signed-off-by: Kewei Xu <kewei.xu@...iatek.com>
> ---
>  drivers/i2c/busses/i2c-mt65xx.c | 56 ++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 55 insertions(+), 1 deletion(-)
> 

Reviewed-by: Qii Wang <qii.wang@...iatek.com>