20 Feb
2025
20 Feb
'25
10:22 a.m.
On 20.02.25 10:52, Wentao Liang wrote:
In usb_reset_device(), the function continues execution and calls usb_autosuspend_device() after usb_autosuspend_device fails.
This can only fail if the device needs to be physically resumed. In that case you called usb_reset_device() while you weren't supposed to. The purpose of the call is to keep the counter elevated in order to disable runtime power management temporarily.
The code is older than helpers to elevate the count. The correct fix would be to use them rather than handle an error that cannot happen.
Regards Oliver