Re: [PATCH v12 1/3] platform/chrome: cros_ec_uart: Add cros-ec-uart transport layer

patchwork-bot+chrome-platform
2022-12-28T05:42:01Z

Hello:

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

On Fri, 9 Dec 2022 09:26:22 -0700 you wrote:
> From: Bhanu Prakash Maiya <bhanumaiya@chromium.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:
- [v12,1/3] platform/chrome: cros_ec_uart: Add cros-ec-uart transport layer
(no matching commit)
- [v12,2/3] dt-bindings: mfd: cros-ec: Add UART compatible string
https://git.kernel.org/chrome-platform/c/5be8cd61dcdd
- [v12,3/3] 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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