Jack Pham 0fbff904b8
usb: ehci-msm-hsic: abort suspend when interrupts are pending ...
Since the wakelock was removed, an interrupt coming during the
transition to system suspend relies on pm_stay_awake() to indicate
that the controller's wakeup source is now active. However, this
depends on pm_save_wakeup_count() to be called by the process
that initiated the suspend. The forthcoming autosleep feature will
be doing this.
But until autosleep is implemented, for robustness additionally
introduce a .suspend_noirq callback which checks for pending
interrupts and returns -EBUSY if there are any, which will force
the PM core to unwind its suspend actions.
Change-Id: If286d654b667d00a0130accb7a783258901ff760
Signed-off-by: Jack Pham <jackp@codeaurora.org >
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0fbff904b8