[PATCH v5 0/2] Bluetooth: mediatek: add gpio pin to reset bt

Krzysztof Kozlowski krzk at kernel.org
Sat Jun 28 05:03:36 PDT 2025


On Fri, Jun 27, 2025 at 01:59:22PM +0800, Zhangchao Zhang wrote:
> The enhanced BT reset feature builds upon the previous software-based
> BT reset by adding support for hardware pin resets.
> To maintain compatibility with existing projects that
> still use the software BT reset, both methods are supported.
> 
> When performing a BT reset, the system first checks whether the
> Device Tree Source (DTS) is configured with the appropriate settings.
> If the specified compatible and BT reset GPIO are defined in the DTS,
> the system will pull the designated GPIO pin low for at least 200ms,
> then pull it high to trigger the BT reset. If these settings are not
> configured, the system will fall back to the original software
> BT reset methods.
> 
> Compared with the previously submitted version, the following
> information are some specific revision histories
> 
> V4-->V5 modifications:
> -Modify the comments mentioned in v1.

What? This is so vague, means nothing.

> -Modify dt_binding files and 
>    make dt binding a separate patch.

This means nothing. Everything is "modify". Your changelog is terribly
uninforming. This must be detailed.

Best regards,
Krzysztof




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