From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: avorontsov@ru.mvista.com
Cc: dbrownell@users.sourceforge.net, greg@kroah.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
leoli@freescale.com, timur@freescale.com
Subject: Re: [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host Controller
Date: Wed, 24 Sep 2008 01:32:02 +0400 [thread overview]
Message-ID: <48D96052.6090005@ru.mvista.com> (raw)
In-Reply-To: <20080923183129.GA19024@oksana.dev.rtsoft.ru>
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
WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: avorontsov@ru.mvista.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
dbrownell@users.sourceforge.net, greg@kroah.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org, leoli@freescale.com,
timur@freescale.com
Subject: Re: [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host Controller
Date: Wed, 24 Sep 2008 01:32:02 +0400 [thread overview]
Message-ID: <48D96052.6090005@ru.mvista.com> (raw)
In-Reply-To: <20080923183129.GA19024@oksana.dev.rtsoft.ru>
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
next prev parent reply other threads:[~2008-09-23 21:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-18 15:16 [PATCH 0/3] Patches to support QE USB Host Controller Anton Vorontsov
2008-09-18 15:16 ` Anton Vorontsov
2008-09-18 15:17 ` [PATCH 1/3] gpiolib: make gpio_to_chip() public Anton Vorontsov
2008-09-18 15:17 ` Anton Vorontsov
2008-09-18 15:17 ` [PATCH 2/3] powerpc/qe: new call to revert a gpio to a dedicated function Anton Vorontsov
2008-09-18 15:17 ` Anton Vorontsov
2008-09-18 15:17 ` [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host Controller Anton Vorontsov
2008-09-18 15:17 ` Anton Vorontsov
2008-09-19 23:23 ` Andrew Morton
2008-09-19 23:23 ` Andrew Morton
2008-09-23 18:31 ` Anton Vorontsov
2008-09-23 18:31 ` Anton Vorontsov
2008-09-23 18:32 ` [PATCH 1/2] USB: Protect hcd.h from multiple inclusions Anton Vorontsov
2008-09-23 18:32 ` Anton Vorontsov
2008-09-23 18:32 ` [PATCH 2/2] USB: driver for Freescale QUICC Engine USB Host Controller Anton Vorontsov
2008-09-23 18:32 ` Anton Vorontsov
2008-09-23 21:32 ` Sergei Shtylyov [this message]
2008-09-23 21:32 ` [PATCH 3/3] " Sergei Shtylyov
2008-09-23 21:35 ` Sergei Shtylyov
2008-09-23 21:35 ` Sergei Shtylyov
2008-09-23 22:57 ` Anton Vorontsov
2008-09-23 22:57 ` Anton Vorontsov
2008-09-24 10:24 ` Sergei Shtylyov
2008-09-24 10:24 ` Sergei Shtylyov
2008-09-24 10:48 ` Sergei Shtylyov
2008-09-24 18:59 ` David Brownell
2008-09-24 18:59 ` David Brownell
2008-09-24 19:17 ` Sergei Shtylyov
2008-09-24 19:17 ` Sergei Shtylyov
-- strict thread matches above, loose matches on Subject: below --
2008-08-08 16:17 [PATCH 0/3] Patches to support QE " Anton Vorontsov
2008-08-08 16:18 ` [PATCH 3/3] USB: driver for Freescale QUICC Engine " Anton Vorontsov
2008-08-08 16:18 ` Anton Vorontsov
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