On Tue, Nov 25, 2014 at 07:06:18AM +0000, Peter Chen wrote: > > > > > usb: phy: hold wakeupsource when USB is enumerated in peripheral mode > > > > Some systems require a mechanism to prevent system to enter into suspend > > state when USB is connected and enumerated in peripheral mode. > > > > This patch provides an interface to hold a wakeupsource to prevent suspend. > > PHY drivers can use this interface when USB is connected and enumerated in > > peripheral mode. > > > > A timed wakeupsource is temporarily held on USB disconnect events, to allow > > the rest of the system to react to the USB disconnection (dropping host > > sessions, updating charger status, etc.) prior to re-allowing suspend. > > > > Hi Kiran & Felipe, > > Just two questions for this series > > - Will it be the default behavior for all peripheral drivers? > - If the peripheral driver's PHY driver does not vbus event, how to > support it? > For example, chipidea udc driver has its vbus interface at its > controller register. hmm, good point. Since it's so late, I'll just go ahead and drop $subject from v3.20. Let's delay only $subject to v3.20 merge window so we have some more time to discuss these details. cheers -- balbi
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