Re [patch 2/3] fastboot: turn the USB hostcontroller initcalls intoasync initcalls

From: Alan Stern
Date: Sat Jul 19 2008 - 11:25:41 EST


On 18 July, 2008, Arjan van de Ven wrote:

> From: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
> Subject: [PATCH] fastboot: turn the USB hostcontroller initcalls into
> async initcalls
>
> the USB host controller init calls take a long time, mostly due to a
> "minimally 100 msec" delay *per port* during initialization.
> These are prime candidates for going in parallel to everything else.
>
> The USB device ordering is not affected by this due to the
> serialized-within-eachother property of async initcalls.

Is there some reason this patch wasn't posted to the linux-usb mailing
list as well as to LKML?

Where is this "minimally 100 msec" per-port delay you refer to?
Offhand I can't recall any such delays in the init routines.

Alan Stern

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