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  • Soby Mathew's avatar
    Return success if an interrupt is seen during PSCI CPU_SUSPEND · 22f08973
    Soby Mathew authored 
    This patch adds support to return SUCCESS if a pending interrupt is
detected during a CPU_SUSPEND call to a power down state. The check
is performed as late as possible without losing the ability to return
to the caller. This reduces the overhead incurred by a CPU in
undergoing a complete power cycle when a wakeup interrupt is already
pending.

Fixes ARM-Software/tf-issues#102

Change-Id: I1aff04a74b704a2f529734428030d1d10750fd4b
    22f08973
psci_afflvl_off.c 8.2 KB