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From: "Bruno Prémont" <bonbons@linux-vserver.org>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	linux-input@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	"Rick L. Vinyard Jr." <rvinyard@cs.nmsu.edu>,
	Nicu Pavel <npavel@ituner.com>, Oliver Neukum <oliver@neukum.org>
Subject: Re: [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers
Date: Sun, 11 Apr 2010 20:40:02 +0200	[thread overview]
Message-ID: <20100411204002.6ba32f43@neptune.home> (raw)
In-Reply-To: <alpine.LNX.2.00.1004112029220.8345@pobox.suse.cz>

On Sun, 11 April 2010 Jiri Kosina <jkosina@suse.cz> wrote:
> > As far as I understand the code, in auto-suspend case if the driver 
> > sends commands to the device it will have to call usbhid_wait_io(). 
> > Please correct me if I'm wrong!
> 
> It's not needed. There is a queuing mechanism in place on 
> 'resumption_waker' workqueue.

So the driver is not allowed to ask the device to do something
at auto-suspend time (as that would abort the auto-suspension).

Am I right?

Thanks,
Bruno

  reply	other threads:[~2010-04-11 18:40 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-24 22:37 [PATCH v3 0/6] hid: new driver for PicoLCD device Bruno Prémont
     [not found] ` <20100324233707.7243b04d-hY15tx4IgV39zxVx7UNMDg@public.gmane.org>
2010-03-24 22:40   ` [PATCH v3 1/6] " Bruno Prémont
2010-03-26  6:56     ` Dmitry Torokhov
2010-03-26  9:29       ` Bruno Prémont
2010-03-26 20:59         ` Jiri Kosina
2010-03-26 21:16           ` Dmitry Torokhov
2010-03-26 21:39             ` Bruno Prémont
2010-03-27  0:22           ` [PATCH v4 " Bruno Prémont
2010-03-29  9:47             ` Jiri Kosina
2010-03-29 10:16               ` Bruno Prémont
2010-03-30  8:12                 ` Jiri Kosina
2010-03-30 20:32                   ` [PATCH v6 0/8] " Bruno Prémont
2010-03-30 20:33                     ` [PATCH v6 1/8] " Bruno Prémont
2010-04-01 16:58                       ` Oliver Neukum
2010-04-25 19:29                         ` [PATCH] hid: split picolcd's operation_mode sysfs attribute Bruno Prémont
2010-04-27 13:32                           ` Jiri Kosina
2010-03-30 20:34                     ` [PATCH v6 2/8] hid: add framebuffer support to PicoLCD device Bruno Prémont
     [not found]                     ` <20100330223224.18fe4f3e-hY15tx4IgV39zxVx7UNMDg@public.gmane.org>
2010-03-30 20:35                       ` [PATCH v6 3/8] hid: add backlight " Bruno Prémont
2010-03-30 20:36                     ` [PATCH v6 4/8] hid: add lcd " Bruno Prémont
2010-03-30 20:36                     ` [PATCH v6 5/8] hid: add GPO (leds) " Bruno Prémont
2010-03-30 20:38                     ` [PATCH v6 6/8] hid: add experimental access to PicoLCD device's EEPROM and FLASH Bruno Prémont
2010-03-30 20:42                     ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers Bruno Prémont
2010-03-31 12:15                       ` Jiri Kosina
2010-04-11 11:02                         ` Bruno Prémont
2010-04-11 13:38                           ` Oliver Neukum
2010-04-11 18:31                           ` Jiri Kosina
2010-04-11 18:40                             ` Bruno Prémont [this message]
2010-04-11 20:27                               ` Oliver Neukum
2010-04-12 11:43                               ` Jiri Kosina
2010-04-12 16:56                                 ` Bruno Prémont
2010-04-12 19:45                                   ` Oliver Neukum
2010-03-30 20:43                     ` [PATCH v6 8/8] hid: add PM support to PicoLCD device Bruno Prémont
2010-03-31  9:28                     ` [PATCH v6 0/8] hid: new driver for " Jiri Kosina
2010-03-24 22:55   ` [PATCH v3 5/6] hid: add GPO (leds) support to " Bruno Prémont
2010-03-24 22:58   ` [PATCH v3 6/6] hid: add experimental access to PicoLCD device's EEPROM and FLASH Bruno Prémont
2010-03-29  9:44     ` Jiri Kosina
     [not found]       ` <alpine.LNX.2.00.1003291142400.24576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2010-03-29 20:34         ` [PATCH v4 " Bruno Prémont
2010-03-24 22:49 ` [PATCH v3 2/6] hid: add framebuffer support to PicoLCD device Bruno Prémont
2010-03-27  0:22   ` [PATCH v4 " Bruno Prémont
2010-03-29 20:30     ` [PATCH v5 " Bruno Prémont
2010-03-24 22:51 ` [PATCH v3 3/6] hid: add backlight " Bruno Prémont
2010-03-24 22:54 ` [PATCH v3 4/6] hid: add lcd " Bruno Prémont

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