linux-kernel - Re: [PATCH v4 1/3] bus: mhi: host: Add sysfs entry to force device to enter EDL

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Date: Tue, 23 Apr 2024 12:42:38 -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 v4 1/3] bus: mhi: host: Add sysfs entry to force device to
 enter EDL

On 4/23/2024 4:33 AM, Qiang Yu wrote:
> Add sysfs entry to allow users of MHI bus force device to enter EDL.
> Considering that the way to enter EDL mode varies from device to device and
> some devices even do not support EDL. Hence, add a callback edl_trigger in
> mhi controller as part of the sysfs entry to be invoked and MHI core will
> only create EDL sysfs entry for mhi controller that provides edl_trigger
> callback. All of the process a specific device required to enter EDL mode
> can be placed in this callback.
> 
> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>

Reviewed-by: Jeffrey Hugo <quic_jhugo@...cinc.com>