linux-kernel - Re:Re: [PATCH v3] usb: core: adds support for PM control of specific USB dev skip suspend.

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Message-ID: <78620d2f.3fa2.192b76ed5f6.Coremail.huanglei814@163.com>
Date: Wed, 23 Oct 2024 11:32:27 +0800 (CST)
From: huanglei  <huanglei814@....com>
To: "Krzysztof Kozlowski" <krzk@...nel.org>
Cc: gregkh@...uxfoundation.org, mathias.nyman@...el.com, 
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
	huanglei <huanglei@...inos.cn>
Subject: Re:Re: [PATCH v3] usb: core: adds support for PM control of
 specific USB dev skip suspend.


  Yes, to be precise, it's a hardware feature, not an OS/driver policy.

At 2024-10-22 20:14:49, "Krzysztof Kozlowski" <krzk@...nel.org> wrote:
>On 22/10/2024 11:09, huanglei814 wrote:
>> +#ifdef CONFIG_USB_SKIP_SUSPEND
>> +		if (device_property_read_bool(tmpdev, "usb-skip-suspend")) {
>
>You are adding this for DTS, so you need bindings and describe hardware
>characteristic, not OS/driver policy.
>
>Best regards,
>Krzysztof