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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

  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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