Messages in this thread | | | Date | Wed, 24 Sep 2008 01:35:41 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH 3/3] USB: driver for Freescale QUICC Engine USB Host Controller |
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Hello, I 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.
Ah, it's not even high-speed?
>>>> Quite a lot the hardware is doing by itself (SOF generation, CRC >>>> generation and checking), though scheduling and retransmission is on >>>> software's shoulders.
I imagine that must be worse than MUSB... :-/
>>>> 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... >
... then the root hub emulation is completely pointless.
WBR, Sergei
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