[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Large USB patch
From: |
nix . wie . weg |
Subject: |
Re: [Qemu-devel] Large USB patch |
Date: |
Fri, 21 Apr 2006 18:26:00 +0200 |
User-agent: |
Mail/News 1.5 (X11/20060228) |
Hello,
Lonnie Mendez wrote:
> Lonnie Mendez wrote:
>
>>
>> The port registers on the uhci controller shows no appropriate
>> response to an HCHALT command that is issued and so the hcd puts the
>> controller into global suspend.
>
> The problem is more likely that the controller is being suspended
> but there is currently nothing being done to signal it to wake up on
> appropriate events. If the error/warning message you got was
> something like "controller still running" then changing uhci writew to
> always set UHCI_STS_HCHALTED on writing 0 to bit 0 of cmd register
> seems to clear the message. That means having the bit set in the
> frame is a bit redundant and also makes the bit a less accurate
> indicator of hchalt.
Yes this seems to be the case. I will take a look at it. Maybe I can get
the signaling correct. I will read the specification, what the correct
handling should be.
I must tell you: very impressive and fast error detection. I take my hat :)
With kind regards
Tino H. Seifert
- Re: [Qemu-devel] Large USB patch, (continued)
- Re: [Qemu-devel] Large USB patch, nix . wie . weg, 2006/04/22
- Re: [Qemu-devel] Large USB patch, nix . wie . weg, 2006/04/22
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/22
- Re: [Qemu-devel] Large USB patch, nix . wie . weg, 2006/04/22
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/22
- Re: [Qemu-devel] Large USB patch, nix . wie . weg, 2006/04/23
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/28
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/28
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/29
- Re: [Qemu-devel] Large USB patch, Lonnie Mendez, 2006/04/30
- Re: [Qemu-devel] Large USB patch,
nix . wie . weg <=
Re: [Qemu-devel] Large USB patch, nix . wie . weg, 2006/04/22
Re: [Qemu-devel] Large USB patch, Fabrice Bellard, 2006/04/23
[Qemu-devel] Update for cvs 2006-04-24, nix . wie . weg, 2006/04/24