From: Jiri Kosina <jkosina@suse.cz>
To: "Bruno Prémont" <bonbons@linux-vserver.org>
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 20:31:18 +0200 (CEST) [thread overview]
Message-ID: <alpine.LNX.2.00.1004112029220.8345@pobox.suse.cz> (raw)
In-Reply-To: <20100411130226.4086a92d@neptune.home>
On Sun, 11 Apr 2010, Bruno Prémont wrote:
> > We should also consider putting the hook calls into bluetooth
> > implementation as well (though there is currently no driver using it, but
> > I don't know, maybe Wacom could benefit from it as well).
>
> Where do I find the bluetooth HID bits? I've been searching through kernel
> sources (under drivers/) but did not find bluetooth code trying to
> register a HID device...
They are in net/bluetooth/hidp. Not really obvious, I know, but Marcel
wanted it this way.
> 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.
--
Jiri Kosina
SUSE Labs, Novell Inc.
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Kosina <jkosina@suse.cz>
To: "Bruno Prémont" <bonbons@linux-vserver.org>
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 20:31:18 +0200 (CEST) [thread overview]
Message-ID: <alpine.LNX.2.00.1004112029220.8345@pobox.suse.cz> (raw)
In-Reply-To: <20100411130226.4086a92d@neptune.home>
On Sun, 11 Apr 2010, Bruno Prémont wrote:
> > We should also consider putting the hook calls into bluetooth
> > implementation as well (though there is currently no driver using it, but
> > I don't know, maybe Wacom could benefit from it as well).
>
> Where do I find the bluetooth HID bits? I've been searching through kernel
> sources (under drivers/) but did not find bluetooth code trying to
> register a HID device...
They are in net/bluetooth/hidp. Not really obvious, I know, but Marcel
wanted it this way.
> 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.
--
Jiri Kosina
SUSE Labs, Novell Inc.
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next prev parent reply other threads:[~2010-04-11 18:31 UTC|newest]
Thread overview: 106+ 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
2010-03-24 22:37 ` Bruno Prémont
2010-03-24 22:40 ` [PATCH v3 1/6] " Bruno Prémont
2010-03-24 22:40 ` Bruno Prémont
2010-03-24 22:40 ` Bruno Prémont
2010-03-26 6:56 ` Dmitry Torokhov
2010-03-26 6:56 ` Dmitry Torokhov
2010-03-26 9:29 ` Bruno Prémont
2010-03-26 9:29 ` Bruno Prémont
2010-03-26 9:29 ` Bruno Prémont
2010-03-26 20:59 ` Jiri Kosina
2010-03-26 20:59 ` Jiri Kosina
2010-03-26 20:59 ` Jiri Kosina
2010-03-26 21:16 ` Dmitry Torokhov
2010-03-26 21:16 ` Dmitry Torokhov
2010-03-26 21:16 ` Dmitry Torokhov
2010-03-26 21:39 ` Bruno Prémont
2010-03-26 21:39 ` Bruno Prémont
2010-03-26 21:39 ` Bruno Prémont
2010-03-27 0:22 ` [PATCH v4 " Bruno Prémont
2010-03-27 0:22 ` Bruno Prémont
2010-03-29 9:47 ` Jiri Kosina
2010-03-29 9:47 ` Jiri Kosina
2010-03-29 9:47 ` Jiri Kosina
2010-03-29 10:16 ` Bruno Prémont
2010-03-29 10:16 ` Bruno Prémont
2010-03-30 8:12 ` Jiri Kosina
2010-03-30 8:12 ` Jiri Kosina
2010-03-30 8:12 ` Jiri Kosina
2010-03-30 20:32 ` [PATCH v6 0/8] " Bruno Prémont
2010-03-30 20:32 ` Bruno Prémont
2010-03-30 20:32 ` Bruno Prémont
2010-03-30 20:33 ` [PATCH v6 1/8] " Bruno Prémont
2010-03-30 20:33 ` Bruno Prémont
2010-03-30 20:33 ` Bruno Prémont
2010-04-01 16:58 ` Oliver Neukum
2010-04-01 16:58 ` Oliver Neukum
2010-04-01 16:58 ` Oliver Neukum
2010-04-25 19:29 ` [PATCH] hid: split picolcd's operation_mode sysfs attribute Bruno Prémont
2010-04-25 19:29 ` Bruno Prémont
2010-04-25 19:29 ` Bruno Prémont
2010-04-27 13:32 ` Jiri Kosina
2010-04-27 13:32 ` Jiri Kosina
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
2010-03-30 20:34 ` Bruno Prémont
2010-03-30 20:35 ` [PATCH v6 3/8] hid: add backlight " Bruno Prémont
2010-03-30 20:35 ` Bruno Prémont
2010-03-30 20:35 ` Bruno Prémont
2010-03-30 20:36 ` [PATCH v6 4/8] hid: add lcd " Bruno Prémont
2010-03-30 20:36 ` Bruno Prémont
2010-03-30 20:36 ` Bruno Prémont
2010-03-30 20:36 ` [PATCH v6 5/8] hid: add GPO (leds) " Bruno Prémont
2010-03-30 20:36 ` Bruno Prémont
2010-03-30 20:36 ` 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 20:38 ` [PATCH v6 6/8] hid: add experimental access to PicoLCD device's Bruno Prémont
2010-03-30 20:42 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers Bruno Prémont
2010-03-30 20:42 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for Bruno Prémont
2010-03-31 12:15 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers Jiri Kosina
2010-03-31 12:15 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks Jiri Kosina
2010-03-31 12:15 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers Jiri Kosina
2010-04-11 11:02 ` Bruno Prémont
2010-04-11 11:02 ` Bruno Prémont
2010-04-11 13:38 ` Oliver Neukum
2010-04-11 13:38 ` Oliver Neukum
2010-04-11 18:31 ` Jiri Kosina [this message]
2010-04-11 18:31 ` Jiri Kosina
2010-04-11 18:40 ` Bruno Prémont
2010-04-11 20:27 ` Oliver Neukum
2010-04-11 20:27 ` Oliver Neukum
2010-04-12 11:43 ` Jiri Kosina
2010-04-12 16:56 ` Bruno Prémont
2010-04-12 16:56 ` Bruno Prémont
2010-04-12 19:45 ` Oliver Neukum
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
2010-03-30 20:43 ` Bruno Prémont
2010-03-30 20:43 ` Bruno Prémont
2010-03-31 9:28 ` [PATCH v6 0/8] hid: new driver for " Jiri Kosina
2010-03-31 9:28 ` Jiri Kosina
2010-03-31 9:28 ` Jiri Kosina
2010-03-24 22:49 ` [PATCH v3 2/6] hid: add framebuffer support to " Bruno Prémont
2010-03-24 22:49 ` Bruno Prémont
2010-03-24 22:49 ` Bruno Prémont
2010-03-27 0:22 ` [PATCH v4 " Bruno Prémont
2010-03-27 0:22 ` Bruno Prémont
2010-03-29 20:30 ` [PATCH v5 " Bruno Prémont
2010-03-29 20:30 ` Bruno Prémont
2010-03-24 22:51 ` [PATCH v3 3/6] hid: add backlight " Bruno Prémont
2010-03-24 22:51 ` Bruno Prémont
2010-03-24 22:51 ` Bruno Prémont
2010-03-24 22:54 ` [PATCH v3 4/6] hid: add lcd " Bruno Prémont
2010-03-24 22:54 ` Bruno Prémont
2010-03-24 22:54 ` Bruno Prémont
2010-03-24 22:55 ` [PATCH v3 5/6] hid: add GPO (leds) " Bruno Prémont
2010-03-24 22:55 ` Bruno Prémont
2010-03-24 22:55 ` Bruno Prémont
2010-03-24 22:58 ` [PATCH v3 6/6] hid: add experimental access to PicoLCD device's EEPROM and FLASH Bruno Prémont
2010-03-24 22:58 ` [PATCH v3 6/6] hid: add experimental access to PicoLCD device's 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
2010-03-29 9:44 ` [PATCH v3 6/6] hid: add experimental access to PicoLCD device's Jiri Kosina
2010-03-29 20:34 ` [PATCH v4 6/6] hid: add experimental access to PicoLCD device's EEPROM and FLASH Bruno Prémont
2010-03-29 20:34 ` [PATCH v4 6/6] hid: add experimental access to PicoLCD device's Bruno Prémont
2010-03-29 20:34 ` [PATCH v4 6/6] hid: add experimental access to PicoLCD device's EEPROM and FLASH Bruno Prémont
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