From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Richard Purdie <rpurdie@rpsys.net>
Cc: Pavel Machek <pavel@suse.cz>,
David Brownell <david-b@pacbell.net>,
lenz@cs.wisc.edu, kernel list <linux-kernel@vger.kernel.org>,
linux-usb-devel@lists.sourceforge.net,
Oliver Neukum <oliver@neukum.org>,
David Liontooth <liontooth@cogweb.net>
Subject: Re: [PATCH] limit power budget on spitz
Date: Thu, 8 Jun 2006 18:09:13 +0100 [thread overview]
Message-ID: <20060608170913.GB15337@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1149758570.16945.156.camel@localhost.localdomain>
On Thu, Jun 08, 2006 at 10:22:50AM +0100, Richard Purdie wrote:
> Hi,
>
> On Thu, 2006-06-08 at 11:02 +0200, Pavel Machek wrote:
> > > > + if (machine_is_spitz()) {
> > > > + /* Warning, not coming from any official docs. But
> > > > + * spitz is unable to properly power wireless card
> > > > + * claiming 500mA -- usb interface work but wireless
> > > > + * does not. */
> > > > + hcd->power_budget = 250;
> > > > + }
> > >
> > >
> > > Should this value not be specified by the platform in the platform data
> > > rather than a set of machine_is_xxx statements in the driver itself? I
> > > already put most of the infrastructure for that into place.
> >
> > Well, it has quite few users now, and this is how it works in
> > ohci-omap. Yes, if we get more of such hooks, it probably needs to be
> > moved to platform data...
>
> Just because the omap does it that way, doesn't mean it can't be done
> better ;-). I've also just realised the above doesn't account for akita
> or borzoi. Since the hardware is identical in this area, the same
> changes should be applied for those machines. If we use the platform
> device/data approach, we don't have this problem as they all use the
> same platform device :)
So what do folk want me to do? Blindly merge the patch (hint: it's still
in the incoming queue...)
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-06-08 17:09 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-01 9:18 USB devices fail unnecessarily on unpowered hubs David Liontooth
2006-05-30 20:01 ` Pavel Machek
2006-06-03 9:29 ` Oliver Neukum
2006-06-05 14:32 ` [linux-usb-devel] " David Brownell
2006-06-06 7:43 ` Oliver Neukum
2006-06-08 7:01 ` Pavel Machek
2006-06-08 8:34 ` [PATCH] limit power budget on spitz Pavel Machek
2006-06-08 8:50 ` Richard Purdie
2006-06-08 9:02 ` Pavel Machek
2006-06-08 9:22 ` Richard Purdie
2006-06-08 17:09 ` Russell King [this message]
2006-06-08 18:26 ` David Brownell
2006-06-08 20:06 ` Richard Purdie
2006-06-08 20:38 ` [linux-usb-devel] " David Brownell
2006-06-08 21:22 ` Richard Purdie
2006-06-08 21:40 ` David Brownell
2006-06-08 21:49 ` Richard Purdie
2006-06-08 23:44 ` David Brownell
2006-06-09 1:25 ` Nicolas Pitre
2006-06-09 2:03 ` David Brownell
2006-06-09 2:34 ` Nicolas Pitre
2006-06-01 10:01 ` USB devices fail unnecessarily on unpowered hubs Andrew Morton
2006-06-01 11:42 ` Daniel Drake
2006-06-01 14:58 ` Alan Stern
2006-06-01 15:09 ` linux-os (Dick Johnson)
2006-06-01 15:23 ` Lennart Sorensen
2006-06-01 21:39 ` Dagfinn Ilmari Mannsåker
2006-06-01 15:53 ` Oliver Neukum
2006-06-01 17:24 ` linux-os (Dick Johnson)
2006-06-01 16:57 ` Alan Stern
2006-06-01 16:43 ` [linux-usb-devel] " Greg KH
2006-06-02 0:03 ` David Liontooth
2006-06-02 1:53 ` [linux-usb-devel] " David Brownell
2006-06-02 7:12 ` Oliver Neukum
2006-06-02 15:11 ` Alan Stern
2006-06-02 19:49 ` David Liontooth
2006-06-01 16:59 ` Andrew Morton
2006-06-01 17:08 ` Alan Stern
2006-06-01 17:34 ` Mark Lord
2006-06-01 17:47 ` Alan Stern
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