[PATCH 2/3] usb: dwc3: add may_lose_power flag

Xu Yang xu.yang_2 at nxp.com
Tue Feb 3 21:44:21 PST 2026


On Mon, Feb 02, 2026 at 10:36:15AM -0500, Frank Li wrote:
> On Mon, Feb 02, 2026 at 06:27:46PM +0800, Xu Yang wrote:
> > The current design assumes that the controller remains powered
> > when wakeup is enabled. However, some SoCs provide wakeup
> > capability even when the controller itself is powered down, using
> > separate dedicated wakeup logic. This allows additional power
> > savings, but requires the controller to be fully re‑initialized
> > after system resume.
> >
> > To support these SoCs, introduce a flag to track the controller’s
> > power state and use it throughout the suspend/resume flow.
> 
> Nit: next time, wrap at pos 75 to reduce some lines.

OK.

> 
> Reviewed-by: Frank Li <Frank.Li at nxp.com>
> >
> > Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>



More information about the linux-arm-kernel mailing list