On 28/05/2025 09:03, Zhangchao Zhang wrote:
> +
> +static int btmtk_reset_by_gpio(struct hci_dev *hdev)
> +{
> + struct btmtk_data *data = hci_get_priv(hdev);
> + struct btmtk_reset_gpio *reset_gpio_data;
> + struct device_node *node;
> + int reset_gpio_number;
> +
> + node = of_find_compatible_node(NULL, NULL, "mediatek,usb-bluetooth");
There is no such compatible. Just git grep for it.
> + if (node) {
> + reset_gpio_number = of_get_named_gpio(node, "reset-gpios", 0);
Where is the ABI documented? Anyway, you should not pick GPIOs from
random devices.
Best regards,
Krzysztof
