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Re: kern/46828 6.0_BETA2 and 6.0_RC1 won't start on DL320/G5p
The following reply was made to PR kern/46828; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
Subject: Re: kern/46828 6.0_BETA2 and 6.0_RC1 won't start on DL320/G5p
Date: Sat, 22 Sep 2012 10:18:32 +0100
On Sat, Sep 22, 2012 at 08:45:03AM +0000, Ryo ONODERA wrote:
> According to Intel's "Enhanced Host Controller Interface Specification
> for Universal Serial Bus",
> www.intel.com/technology/usb/download/ehci-r10.pdf .
> In p.131,
> "One semaphore is for the operating system (OS) and one is for the
> BIOS. These semaphores are readable and writable. These fields are in
> adjacent bytes, which allows each agent (OS or BIOS) to update their
> respective semaphore without overwriting the other ownership semaphore."
That description makes me think that the code should be doing byte
However I've a lurking feeling that not all systems support non-word
config space writes.
David Laight: david%l8s.co.uk@localhost
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