linux-kernel - Re: [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host Controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 24 Sep 2008 01:32:02 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	avorontsov@...mvista.com
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	dbrownell@...rs.sourceforge.net, greg@...ah.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, leoli@...escale.com, timur@...escale.com
Subject: Re: [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host	Controller

Hello.

Anton Vorontsov wrote:

>>> This patch adds support for the FHCI USB controller, as found
>>> in the Freescale MPC836x and MPC832x processors. It can support
>>> Full or Low speed modes.
>>>
>>> Quite a lot the hardware is doing by itself (SOF generation, CRC
>>> generation and checking), though scheduling and retransmission is on
>>> software's shoulders.
>>>
>>> This controller does not integrate the root hub, so this driver also
>>> fakes one-port hub. External hub is required to support more than
>>> one device.
>>>
>>> ...
>>>
>>>       
>> Please, no.
>>     
>
> What exactly 'no'? ;-)
>   

   No one-port hubs I guess -- they are pointless. Though e.g. MUSB 
driver creates one -- I guess to impersonate a transaction translating 
high-speed hub...

WBR, Sergei


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/