linux-kernel - Re: [PATCH v7 3/3] platform/chrome: cros_ec

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Message-ID: <Y3cbswXxTKWhMjKT@google.com>
Date:   Fri, 18 Nov 2022 13:44:19 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     Mark Hasemeyer <markhas@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Raul Rangel <rrangel@...omium.org>,
        Bhanu Prakash Maiya <bhanumaiya@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        chrome-platform@...ts.linux.dev
Subject: Re: [PATCH v7 3/3] platform/chrome: cros_ec_uart: Add DT enumeration
 support

On Thu, Nov 17, 2022 at 11:48:48AM -0700, Mark Hasemeyer wrote:
> @@ -392,6 +393,12 @@ static int __maybe_unused cros_ec_uart_resume(struct device *dev)
>  static SIMPLE_DEV_PM_OPS(cros_ec_uart_pm_ops, cros_ec_uart_suspend,
>  			 cros_ec_uart_resume);
>  
> +static const struct of_device_id cros_ec_uart_of_match[] = {
> +	{ .compatible = "google,cros-ec-uart" },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, cros_ec_uart_of_match);

It would need a guard for checking CONFIG_OF.  Similar to what
`cros_ec_uart_acpi_id` does.

> @@ -405,6 +412,7 @@ static struct serdev_device_driver cros_ec_uart_driver = {
>  	.driver	= {
>  		.name	= "cros-ec-uart",
>  		.acpi_match_table = ACPI_PTR(cros_ec_uart_acpi_id),
> +		.of_match_table = cros_ec_uart_of_match,

It would need be wrapped by `of_match_ptr()`.  Similar to what
`ACPI_PTR()` does.