From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: linux-pm-qjLDD68F18O7TbgM5vRIOg@public.gmane.org
Subject: Re: Nested suspends; messages vs. states
Date: Wed, 23 Mar 2005 11:06:02 -0800 [thread overview]
Message-ID: <200503231106.03160.david-b@pacbell.net> (raw)
In-Reply-To: <Pine.LNX.4.50.0503221635130.16154-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 585 bytes --]
On Tuesday 22 March 2005 4:52 pm, Patrick Mochel wrote:
> >
> I think the core should always call ->suspend() for a device, regardless
> of whether it thinks it's in a low power state, or inactive. This is
> specifically for the reason that a device could be a low-power runtime
> state when the system is suspended.
I don't quite see a need for this. If the parent/bridge driver knows
the device is adequately suspended, why kick it again? It's actually
rather annoying -- and error/bug prone! -- to have to code drivers to
detect and cope with superfluous suspend calls.
- Dave
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next prev parent reply other threads:[~2005-03-23 19:06 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-21 20:11 Nested suspends; messages vs. states Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503211436020.1241-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-21 20:20 ` Pavel Machek
[not found] ` <20050321202016.GI1390-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-21 21:14 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503211613010.2329-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-21 22:26 ` Pavel Machek
[not found] ` <20050321222609.GK1390-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-22 3:08 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503212140450.28689-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2005-03-22 11:08 ` Pavel Machek
[not found] ` <20050322110802.GA1751-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-22 17:24 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503221216430.954-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-23 23:49 ` Benjamin Herrenschmidt
2005-03-23 18:32 ` David Brownell
[not found] ` <200503231032.36164.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-23 21:00 ` Pavel Machek
2005-03-22 4:21 ` Benjamin Herrenschmidt
2005-03-22 17:04 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503221143460.954-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-22 23:36 ` Benjamin Herrenschmidt
2005-03-23 1:17 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503221709080.16154-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-23 19:02 ` David Brownell
[not found] ` <200503231102.27137.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-23 20:36 ` Nigel Cunningham
2005-03-23 21:08 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503231544550.631-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-24 2:35 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231827310.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 17:03 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0503241149000.1345-100000-3WpdWqXrU/qjv4eRiOYp3g@public.gmane.org>
2005-03-24 17:13 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240904570.13683-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 17:46 ` David Brownell
2005-03-24 17:51 ` Patrick Mochel
2005-03-24 19:27 ` Alan Stern
2005-03-23 18:58 ` David Brownell
[not found] ` <200503231058.54311.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-23 19:37 ` Jordan Crouse
[not found] ` <20050323123725.201d8a67-aftB2sG12IhaqnLngUycEA@public.gmane.org>
2005-03-24 5:16 ` David Brownell
2005-03-23 23:24 ` Benjamin Herrenschmidt
2005-03-24 2:45 ` David Brownell
[not found] ` <200503231845.55392.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 5:03 ` Benjamin Herrenschmidt
2005-03-24 5:27 ` David Brownell
[not found] ` <200503232127.19576.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 6:02 ` Benjamin Herrenschmidt
2005-03-24 6:31 ` David Brownell
[not found] ` <200503232231.00561.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 6:36 ` Benjamin Herrenschmidt
2005-03-24 7:46 ` David Brownell
2005-03-23 0:52 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503221635130.16154-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-23 1:21 ` Benjamin Herrenschmidt
2005-03-23 1:46 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503221724550.16154-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-23 3:31 ` Benjamin Herrenschmidt
2005-03-23 18:20 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231008340.17099-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-23 21:02 ` Pavel Machek
[not found] ` <20050323210204.GE30704-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-23 21:35 ` Nigel Cunningham
[not found] ` <1111613750.14853.117.camel-r49W/1Cwd2ff0s6lnCXPX/uOuaPYTxhvJwvTLr3MMZM@public.gmane.org>
2005-03-23 21:54 ` Pavel Machek
[not found] ` <20050323215416.GK30704-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-24 2:40 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231838570.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 3:16 ` Nigel Cunningham
[not found] ` <1111634182.3430.1.camel-r49W/1Cwd2ff0s6lnCXPX/uOuaPYTxhvJwvTLr3MMZM@public.gmane.org>
2005-03-24 8:19 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240017460.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 10:01 ` CPU local things [was Re: Nested suspends; messages vs. states] Pavel Machek
[not found] ` <20050324100153.GE1354-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-24 15:59 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240749030.24692-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 17:14 ` Nathan Lynch
2005-03-24 20:59 ` Nigel Cunningham
2005-03-23 23:14 ` Nested suspends; messages vs. states Benjamin Herrenschmidt
2005-03-24 1:27 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231724100.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 9:59 ` Pavel Machek
[not found] ` <20050324095910.GD1354-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-03-24 15:48 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240746290.24692-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 16:38 ` David Brownell
[not found] ` <200503240838.37628.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 17:00 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240858200.13683-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 17:33 ` David Brownell
[not found] ` <200503240933.49123.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 17:41 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503240937150.13683-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 18:08 ` David Brownell
2005-03-24 1:41 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231727220.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 2:22 ` Benjamin Herrenschmidt
2005-03-24 2:05 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231742090.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 2:29 ` Benjamin Herrenschmidt
2005-03-24 5:02 ` David Brownell
[not found] ` <200503232102.51132.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-24 5:14 ` Benjamin Herrenschmidt
2005-03-24 5:31 ` David Brownell
2005-03-24 8:16 ` Patrick Mochel
2005-03-23 19:06 ` David Brownell [this message]
[not found] ` <200503231106.03160.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2005-03-23 20:29 ` Nigel Cunningham
[not found] ` <1111609769.14853.104.camel-r49W/1Cwd2ff0s6lnCXPX/uOuaPYTxhvJwvTLr3MMZM@public.gmane.org>
2005-03-23 20:55 ` David Brownell
2005-03-23 21:18 ` Alan Stern
2005-03-24 2:13 ` Patrick Mochel
[not found] ` <Pine.LNX.4.50.0503231810400.15119-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-24 2:52 ` David Brownell
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