From: Takashi Iwai <tiwai@suse.de>
To: Greg KH <greg@kroah.com>
Cc: "Brown, Len" <len.brown@intel.com>,
"ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Kristen Carlson Accardi <kristen@linux.intel.com>,
Grant Likely <grant.likely@linaro.org>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] System-wide interface to specify the level of PM tuning
Date: Fri, 17 Jul 2015 12:34:26 +0200 [thread overview]
Message-ID: <s5hfv4nhy31.wl-tiwai@suse.de> (raw)
In-Reply-To: <20150716155819.GA30423@kroah.com>
On Thu, 16 Jul 2015 17:58:19 +0200,
Greg KH wrote:
>
> On Thu, Jul 16, 2015 at 08:53:02AM -0700, Josh Triplett wrote:
> > But the kernel already has quirk tables for various hardware, and that
> > seems appropriate to continue putting in the kernel.
>
> For some types of devices, sure. For others, like broken USB keyboards
> that can't handle autosuspend, no. For those we need a userspace
> _whitelist_ that udev can use. So there's no one answer that works for
> all types of quirks.
That's my concern, too. If we give a single knob for all components,
most likely some components shall be broken. And I'm sure that many of
the breakage will be left unfixed due to all reasons you can imagine.
Takashi
next prev parent reply other threads:[~2015-07-17 10:34 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 0:22 Rafael J. Wysocki
2015-07-06 1:21 ` Josh Triplett
2015-07-06 14:04 ` Rafael J. Wysocki
2015-07-06 1:40 ` NeilBrown
2015-07-06 14:12 ` Rafael J. Wysocki
2015-07-06 13:49 ` Iyer, Sundar
2015-07-06 14:21 ` Rafael J. Wysocki
2015-07-07 7:53 ` Jiri Kosina
2015-07-07 12:33 ` Rafael J. Wysocki
2015-07-10 17:25 ` Kevin Hilman
2015-07-12 10:01 ` Daniel Vetter
2015-07-13 23:07 ` Rafael J. Wysocki
2015-07-14 16:51 ` Daniel Vetter
2015-07-15 22:44 ` Rafael J. Wysocki
2015-07-16 1:10 ` Josh Triplett
2015-07-16 9:19 ` David Woodhouse
2015-07-16 15:44 ` Kristen Accardi
2015-07-16 15:53 ` Josh Triplett
2015-07-16 15:58 ` Greg KH
2015-07-17 10:34 ` Takashi Iwai [this message]
2015-07-17 11:41 ` Daniel Vetter
2015-07-20 22:21 ` Rafael J. Wysocki
2015-07-20 23:09 ` Daniel Vetter
2015-07-22 1:12 ` Rafael J. Wysocki
2015-07-22 7:18 ` Daniel Vetter
2015-07-22 17:25 ` Rafael J. Wysocki
2015-07-22 18:25 ` josh
2015-07-24 22:36 ` Rafael J. Wysocki
2015-07-25 19:50 ` Josh Triplett
2015-07-26 0:03 ` Rafael J. Wysocki
2015-07-26 0:16 ` Josh Triplett
2015-07-27 13:30 ` Rafael J. Wysocki
2015-07-27 11:50 ` Jani Nikula
2015-07-06 16:33 ` Kristen Accardi
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