linux-kernel - Re: [PATCH v13 1/3] platform/chrome: cros_ec

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Date:   Wed, 28 Dec 2022 05:40:16 +0000
From:   patchwork-bot+chrome-platform@...nel.org
To:     Mark Hasemeyer <markhas@...omium.org>
Cc:     linux-kernel@...r.kernel.org, rrangel@...omium.org,
        bhanumaiya@...omium.org, pmalani@...omium.org, bleung@...omium.org,
        groeck@...omium.org, tzungbi@...nel.org,
        chrome-platform@...ts.linux.dev
Subject: Re: [PATCH v13 1/3] platform/chrome: cros_ec_uart: Add transport layer

Hello:

This series was applied to chrome-platform/linux.git (for-next)
by Tzung-Bi Shih <tzungbi@...nel.org>:

On Tue, 27 Dec 2022 12:32:22 -0700 you wrote:
> From: Bhanu Prakash Maiya <bhanumaiya@...omium.org>
> 
> This patch does following:
> 1. Adds a new cros-ec-uart driver. This driver can send EC requests on
>    UART and process response packets received on UART transport.
> 2. Once probed, this driver will initialize the serdev device based on
>    the underlying information in the ACPI resource. After serdev device
>    properties are set, this driver will register itself cros-ec.
> 3. High level driver can use this implementation to talk to ChromeOS
>    Embedded Controller device in case it supports UART as transport.
> 4. When cros-ec driver initiates a request packet, outgoing message is
>    processed in buffer and sent via serdev. Once bytes are sent, driver
>    enables a wait_queue.
> 5. Since ChromeOS EC device sends response asynchronously, AP's TTY
>    driver accumulates response bytes and calls the registered callback.
>    TTY driver can send multiple callback for bytes ranging from 1 to MAX
>    bytes supported by EC device.
> 6. Driver waits for EC_MSG_DEADLINE_MS to collect and process received
>    bytes. It wakes wait_queue if expected bytes are received or else
>    wait_queue timeout. Based on the error condition, driver returns
>    data_len or error to cros_ec.
> 
> [...]

Here is the summary with links:
  - [v13,1/3] platform/chrome: cros_ec_uart: Add transport layer
    https://git.kernel.org/chrome-platform/c/04a8bdd135cc
  - [v13,2/3] dt-bindings: mfd: cros-ec: Add UART compatible string
    https://git.kernel.org/chrome-platform/c/5be8cd61dcdd
  - [v13,3/3] platform/chrome: cros_ec_uart: Add DT enumeration support
    https://git.kernel.org/chrome-platform/c/c34fea225806

You are awesome, thank you!
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