On Tue, Nov 04, 2014 at 03:30:54PM +0530, Kiran Kumar Raparthy wrote: > From: Todd Poynor <toddpoynor@xxxxxxxxxx> > > 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. > > Cc: Kishon Vijay Abraham I <kishon@xxxxxx> > Cc: Felipe Balbi <balbi@xxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: linux-usb@xxxxxxxxxxxxxxx > Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx> > Cc: John Stultz <john.stultz@xxxxxxxxxx> > Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx> > Cc: Arve Hj��<arve@xxxxxxxxxxx> > Cc: Benoit Goby <benoit@xxxxxxxxxxx> > Signed-off-by: Todd Poynor <toddpoynor@xxxxxxxxxx> > [kiran: Added context to commit message, squished build fixes > from Benoit Goby and Arve Hj�� changed wakelocks usage > to wakeupsource, merged Todd's refactoring logic and simplified > the structures and code and addressed community feedback] > Signed-off-by: Kiran Raparthy <kiran.kumar@xxxxxxxxxx> you still didn't get this right. I asked that you introduce usb_phy_set_event() as a separate patch, then make PHY drivers use it and only on a third patch should you hold a wakeupsource. -- balbi
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