linux-kernel - Re: [PATCH v3 1/6] bus: mhi: core: Make sure to powerdown if mhi_sync_power

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Message-ID: <330fe8ab-5ae3-12f1-0298-0c18bfc7ace9@codeaurora.org>
Date:   Tue, 28 Apr 2020 11:52:34 -0700
From:   Hemant Kumar <hemantk@...eaurora.org>
To:     Jeffrey Hugo <jhugo@...eaurora.org>,
        manivannan.sadhasivam@...aro.org
Cc:     bbhatt@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/6] bus: mhi: core: Make sure to powerdown if
 mhi_sync_power_up fails



On 4/27/20 8:59 AM, Jeffrey Hugo wrote:
> Powerdown is necessary if mhi_sync_power_up fails due to a timeout, to
> clean up the resources.  Otherwise a BUG could be triggered when
> attempting to clean up MSIs because the IRQ is still active from a
> request_irq().
> 
> Signed-off-by: Jeffrey Hugo <jhugo@...eaurora.org>
> ---
Reviewed-by: Hemant Kumar <hemantk@...eaurora.org>


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