linux-kernel - Re: [PATCH v3 1/1] i3c: Add fallback method for GETMXDS CCC

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Message-ID: <20231114095737.158781d1@xps-13>
Date:   Tue, 14 Nov 2023 09:57:37 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Joshua Yeong <joshua.yeong@...rfivetech.com>
Cc:     <alexandre.belloni@...tlin.com>, <linux-i3c@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/1] i3c: Add fallback method for GETMXDS CCC

Hi Joshua,

joshua.yeong@...rfivetech.com wrote on Tue, 14 Nov 2023 16:55:25 +0800:

> Some I3C hardware will report error when an incorrect length is received from
> device. GETMXDS CCC are available in 2 formats: without turnaround time (format
> 1) and with turnaround time (format 2). There is no mechanics to determine which
> format is supported by device. So in case sending GETMXDS CCC format 2 resulted
> in a failure, try sending GETMXDS CCC format 1 instead.
> 

Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>

> Signed-off-by: Joshua Yeong <joshua.yeong@...rfivetech.com>
> ---

Thanks,
Miquèl