linux-kernel - Re: [PATCH v2] bus: mhi: host: Skip MHI reset if device is in RDDM

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Message-ID: <73f6b38d-b968-ccad-c00f-86afa883a07d@quicinc.com>
Date:   Thu, 11 May 2023 07:52:25 -0600
From:   Jeffrey Hugo <quic_jhugo@...cinc.com>
To:     Qiang Yu <quic_qianyu@...cinc.com>, <mani@...nel.org>
CC:     <mhi@...ts.linux.dev>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_cang@...cinc.com>,
        <quic_mrana@...cinc.com>
Subject: Re: [PATCH v2] bus: mhi: host: Skip MHI reset if device is in RDDM

On 5/10/2023 8:33 PM, Qiang Yu wrote:
> In RDDM EE, device can not process MHI reset issued by host. In case of MHI
> power off, host is issuing MHI reset and polls for it to get cleared until
> it times out. Since this timeout can not be avoided in case of RDDM, skip
> the MHI reset in this scenarios.
> 
> Fixes: a0f5a630668c ("bus: mhi: Move host MHI code to "host" directory")

This doesn't seem like the correct fixes tag.  That commit looks like it 
just moves code around, but does not add code.  What is the commit that 
added the relevant code?  That commit probably predates the move.

> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
> ---