linux-kernel - Re: [PATCH v1 0/7] MHI Emergency download and flash programmer support

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Date:   Wed, 31 Mar 2021 16:54:04 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bhaumik Bhatt <bbhatt@...eaurora.org>
Cc:     linux-arm-msm@...r.kernel.org, hemantk@...eaurora.org,
        jhugo@...eaurora.org, linux-kernel@...r.kernel.org,
        carl.yin@...ctel.com, naveen.kumar@...ctel.com,
        loic.poulain@...aro.org, abickett@...eaurora.org
Subject: Re: [PATCH v1 0/7] MHI Emergency download and flash programmer
 support

On Mon, Mar 29, 2021 at 06:28:17PM -0700, Bhaumik Bhatt wrote:
> Allow handling EDL mode after SYS_ERROR occurs by reading the execution
> environment post handling and move to power on reset state to accommodate the
> scenario.
> Handle EDL mode properly and wait for ready instead of just exiting from the
> firmware load.
> Allow use of the Flash Programmer execution environment as a mission mode
> use case for a blank NAND power up scenario.
> Always attempt a wait for MHI ready state as device could be waiting for the
> host to do so after pass through execution environment is seen.
> Introduce patch to improve state awareness and aid in debugging.
> 
> This patch series was tested on x86_64 architecture.
> 

Applied to mhi-next!

Thanks,
Mani

> Bhaumik Bhatt (6):
>   bus: mhi: core: Rely on accurate method to determine EDL mode
>   bus: mhi: core: Wait for ready after an EDL firmware download
>   bus: mhi: core: Handle EDL mode entry appropriately
>   bus: mhi: core: Identify Flash Programmer as a mission mode use case
>   bus: mhi: core: Wait for MHI READY state in most scenarios
>   bus: mhi: core: Improve state strings for debug messages
> 
> Carl Yin (1):
>   bus: mhi: core: Add support for Flash Programmer execution environment
> 
>  drivers/bus/mhi/core/boot.c     | 13 +++++++------
>  drivers/bus/mhi/core/init.c     | 34 ++++++++++++++++++----------------
>  drivers/bus/mhi/core/internal.h |  4 +++-
>  drivers/bus/mhi/core/main.c     |  3 +++
>  drivers/bus/mhi/core/pm.c       | 28 +++++++++++++++++++++++++---
>  include/linux/mhi.h             |  4 +++-
>  6 files changed, 59 insertions(+), 27 deletions(-)
> 
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>