linux-kernel - Re: [PATCH] i2c: cadence: try reset when master receive arbitration lost

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Message-ID: <20190218170606.qt35ciis4zpqo7d2@katana>
Date:   Mon, 18 Feb 2019 18:06:06 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Shikai Wang <sxauwsk@....com>
Cc:     Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
        Michal Simek <michal.simek@...inx.com>,
        linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: cadence: try reset when master receive arbitration
 lost

On Mon, Feb 18, 2019 at 05:41:32PM +0800, Shikai Wang wrote:
> When the adapter receive arbitration lost error interrupts,
> cdns_i2c_master_xfer return to the caller directly instead of resetting
> the adapter which resulted in the adapter being out of control.
> 
> So when driver detect err_status such as arbitration lost,
> then try to repair and fix it.

Thanks for working on this issue.

> Signed-off-by: Shikai Wang <sxauwsk@....com>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>

Reading the previous thread, isn't this more of an acked-by or
reviewed-by than a Signed-off?

Also, is there a suitable Fixes tag?


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