From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Brownell <david-b@pacbell.net>
Cc: dsaxena@plexity.net, Linus Torvalds <torvalds@osdl.org>,
Greg KH <greg@kroah.com>, Andrew Morton <akpm@osdl.org>,
Linux-USB <linux-usb-devel@lists.sourceforge.net>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [linux-usb-devel] Re: [BK PATCH] USB update for 2.6.3
Date: Fri, 20 Feb 2004 19:48:13 +1100 [thread overview]
Message-ID: <1077266892.20779.1290.camel@gaston> (raw)
In-Reply-To: <4035C8C4.8010605@pacbell.net>
> Well, usb_device->bus->controller is the only access that
> should be needed ... much prettier than a tree walk! It's
> set up as part of device enumeration.
>
> Some of the usb_buffer_*() mapping calls could probably
> start to get inlined now, using the generic DMA calls.
It all depends what the USB device driver does. If it does
pass the struct device of it's controller, it's fine. If we
want it to be able to pass its own struct device, we need
this walk... it's a matter of how we want this API to behave.
Same goes for firewire, and possibly others
Anyway, a platform hook in device_add() seem like it could be
useful for other things as well...
Ben.
next prev parent reply other threads:[~2004-02-20 8:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 1:28 [BK PATCH] USB update for 2.6.3 Greg KH
2004-02-20 5:58 ` Linus Torvalds
2004-02-20 6:03 ` Benjamin Herrenschmidt
2004-02-20 6:30 ` Linus Torvalds
2004-02-20 6:28 ` Benjamin Herrenschmidt
2004-02-20 6:47 ` Linus Torvalds
2004-02-20 6:42 ` Benjamin Herrenschmidt
2004-02-20 7:00 ` Greg KH
2004-02-20 7:06 ` Benjamin Herrenschmidt
2004-02-20 7:58 ` [linux-usb-devel] " David Brownell
2004-02-20 7:03 ` Linus Torvalds
2004-02-20 7:04 ` David S. Miller
2004-02-20 7:10 ` Benjamin Herrenschmidt
2004-02-20 7:32 ` David S. Miller
2004-02-20 15:15 ` Linus Torvalds
2004-02-20 18:15 ` Hollis Blanchard
2004-02-20 18:39 ` Linus Torvalds
2004-02-20 19:20 ` Hollis Blanchard
2004-02-20 19:32 ` Linus Torvalds
2004-02-20 22:40 ` [linux-usb-devel] " Benjamin Herrenschmidt
2004-02-20 19:30 ` Alan Stern
2004-02-20 7:08 ` Benjamin Herrenschmidt
2004-02-20 8:08 ` David Brownell
2004-02-20 9:26 ` Russell King
2004-02-20 7:40 ` Deepak Saxena
2004-02-20 7:47 ` [linux-usb-devel] " Benjamin Herrenschmidt
2004-02-20 8:08 ` Deepak Saxena
2004-02-20 8:43 ` David Brownell
2004-02-20 8:48 ` Benjamin Herrenschmidt [this message]
2004-02-20 9:27 ` Russell King
[not found] <fa.d7mjamc.1l40pri@ifi.uio.no>
2004-02-20 6:34 ` Andy Lutomirski
2004-02-20 15:31 ` [linux-usb-devel] " Paulo Marques
[not found] <fa.ck6rcsq.nl8r18@ifi.uio.no>
[not found] ` <fa.eul0v67.1p62arn@ifi.uio.no>
2004-03-04 18:05 ` Andy Lutomirski
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