Re: 2-4-21-rc3-benh0 - hfsplus
- To: Jens Axboe <axboe@suse.de>
- Cc: dylan@iici.no-ip.org, debian-powerpc@lists.debian.org
- Subject: Re: 2-4-21-rc3-benh0 - hfsplus
- From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
- Date: 02 Jun 2003 17:19:53 +0200
- Message-id: <1054567193.541.59.camel@gaston>
- In-reply-to: <20030530071502.GE845@suse.de>
- References: <20030529171047.GA723@olliwolli.de> <20030529172224.GP845@suse.de> <20030529201915.GA1391@olliwolli.de> <2194.169.237.34.152.1054237941.squirrel@iici.no-ip.org> <20030530071502.GE845@suse.de>
On Fri, 2003-05-30 at 09:15, Jens Axboe wrote:
> On Thu, May 29 2003, dylan@iici.no-ip.org wrote:
> > Please excuse my ignorance - but is there any other way to access the LED
> > -- say to have it be controlled for something more interesting than HD
> > access?
> > if so -- how would it be done?
>
> I dunno if you can submit pmu requests from user space, you are welcome
> to take a look though. There are two changesets in the bk tree for this
> feature, I suggest you take a look at drivers/ide/ppc/pmac.c, it's one
> of the most recent.
You can send PMU requests from userspace... I'm not sure if there's
any example around for doing so though. Basically, you send them
via /dev/adb as special ADB requests with a different request type
field
Ben.
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