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Message-ID: <20080923225730.GB13617@oksana.dev.rtsoft.ru> Date: Wed, 24 Sep 2008 02:57:30 +0400 From: Anton Vorontsov <avorontsov@...mvista.com> To: Sergei Shtylyov <sshtylyov@...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 On Wed, Sep 24, 2008 at 01:35:41AM +0400, Sergei Shtylyov wrote: [...] >>>>> 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. It isn't. We always should emulate the root hub. The root hub is part and parcel of any USB Host. Even the one-port one. -- Anton Vorontsov email: cbouatmailru@...il.com irc://irc.freenode.net/bd2 -- 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/
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