netdev - Re: [RFC PATCH] platform: Faciliatate the creation of pseduo-platform busses

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Message-ID: <20100810235323.GA24612@suse.de>
Date:	Tue, 10 Aug 2010 16:53:23 -0700
From:	Greg KH <gregkh@...e.de>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Patrick Pannuto <ppannuto@...cinc.com>,
	Patrick Pannuto <ppannuto@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"damm@...nsource.se" <damm@...nsource.se>,
	"lethal@...ux-sh.org" <lethal@...ux-sh.org>,
	"rjw@...k.pl" <rjw@...k.pl>, "dtor@...l.ru" <dtor@...l.ru>,
	"eric.y.miao@...il.com" <eric.y.miao@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Kevin Hilman <khilman@...prootsystems.com>
Subject: Re: [RFC PATCH] platform: Faciliatate the creation of
 pseduo-platform busses

On Sat, Aug 07, 2010 at 11:28:13AM -0600, Grant Likely wrote:
> On Sat, Aug 7, 2010 at 12:35 AM, Grant Likely <grant.likely@...retlab.ca> wrote:
> > On Fri, Aug 6, 2010 at 5:46 PM, Greg KH <gregkh@...e.de> wrote:
> >> That would be nice, but take your "standard" PC today:
> >>        > ls /sys/devices/platform/
> >>        Fixed MDIO bus.0  i8042  pcspkr  power  serial8250  uevent vesafb.0
> >>
> >> There are tty devices below the serial port, which is nice to see, but
> >> the others?  I don't know what type of bus they would be on, do you?
> [...]
> > I wouldn't have any problem modifying those specific drivers to
> > register under something like /sys/devices/legacy, but I don't really
> > think it is in any way necessary.
> 
> Or for that matter, make those drivers explicitly use
> /sys/devices/platform so that I don't cause churn on PCs.  :-)  I'd
> like to be rid of it as default behaviour for embedded though.

Yes, that would be the easier (and better) solution.

thanks,

greg k-h
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