Re: [PATCH 2/4] Bluetooth: hci_uart: Add support for Amlogic HCI UART

[Krzysztof Kozlowski <krzk@kernel.org>]

On 05/07/2024 13:20, Yang Li via B4 Relay wrote:
> From: Yang Li <yang.li@amlogic.com>
> 
> This patch introduces support for Amlogic Bluetooth controller over
> UART. In order to send the final firmware at full speed. It is a pretty
> straight forward H4 driver with exception of actually having it's own
> setup address configuration.
> 
> Co-developed-by: Ye He <ye.he@amlogic.com>

Read submitting patches. Missing SoB.

> Signed-off-by: Yang Li <yang.li@amlogic.com>
> ---
>  drivers/bluetooth/Kconfig     |  13 +



> +
> +static void aml_serdev_remove(struct serdev_device *serdev)
> +{
> +	struct aml_serdev *amldev = serdev_device_get_drvdata(serdev);
> +
> +	hci_uart_unregister_device(&amldev->serdev_hu);
> +}
> +
> +static const struct aml_device_data data_w155s2 __maybe_unused = {
> +	.iccm_offset = 256 * 1024,
> +};
> +
> +static const struct aml_device_data data_w265s2 __maybe_unused = {

How this can be "maybe_unused" while it is referenced always? This is
buggy. Either everything in OF chain can be unused or not. Not half yes,
half not.

> +	.iccm_offset = 384 * 1024,
> +};
> +
> +static const struct of_device_id aml_bluetooth_of_match[] = {
> +	{ .compatible = "amlogic,w155s2-bt", .data = &data_w155s2 },
> +	{ .compatible = "amlogic,w265s2-bt", .data = &data_w265s2 },
> +	{ /* sentinel */ },
> +};
> +
> +static struct serdev_device_driver aml_serdev_driver = {
> +	.probe = aml_serdev_probe,
> +	.remove = aml_serdev_remove,
> +	.driver = {
> +		.name = "hci_uart_aml",
> +		.of_match_table = of_match_ptr(aml_bluetooth_of_match),

So now you have warnings... drop of_match_ptr.

Best regards,
Krzysztof