linux-kernel - Re: [PATCH v8 5/9] bus: mhi: core: Hold device wake for channel update commands

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Message-ID: <a065b7b0-c42a-045a-b9d1-0b92dce21ba4@quicinc.com>
Date:   Tue, 4 May 2021 11:46:52 -0600
From:   Jeffrey Hugo <quic_jhugo@...cinc.com>
To:     Bhaumik Bhatt <bbhatt@...eaurora.org>,
        <manivannan.sadhasivam@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <hemantk@...eaurora.org>,
        <linux-kernel@...r.kernel.org>, <carl.yin@...ctel.com>,
        <naveen.kumar@...ctel.com>, <loic.poulain@...aro.org>
Subject: Re: [PATCH v8 5/9] bus: mhi: core: Hold device wake for channel
 update commands

On 4/1/2021 3:16 PM, Bhaumik Bhatt wrote:
> MHI host can fail early if device is in a bad state by attempting
> to assert device wake and holding the runtime PM vote before
> sending a channel update command instead of performing a wake
> toggle and waiting for a timeout if the send were to fail. This
> can help improve the design and enable shorter wait periods for
> device to respond as votes are already held.
> 
> Signed-off-by: Bhaumik Bhatt <bbhatt@...eaurora.org>
> ---

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