Re: [PATCH 3/3] USB: EHCI: disable IAA_WATCHDOG and START_UNLINK_INTR if they needn't to be handled

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On Mon, Aug 19, 2013 at 07:04:20PM +0800, Ming Lei wrote:
> This patch introduces ehci_disable_event(), which is applied on
> IAA_WATCHDOG and START_UNLINK_INTR events in case that the two
> events needn't to be handled, so that we may avoid unnecessary CPU
> wakeup.

Why would those events not need to be handled?

What does this help with?  Measurements please.

greg k-h
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