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From: Stephen Boyd <sboyd@codeaurora.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Saravana Kannan <skannan@codeaurora.org>,
	Kay Sievers <kay.sievers@vrfy.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Christian Lamparter <chunkeey@googlemail.com>,
	"Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
	alan@lxorguk.ukuu.org.uk,
	Linux PM mailing list <linux-pm@vger.kernel.org>
Subject: Re: [PATCH 2/6] firmware_class: Split _request_firmware() into three functions
Date: Tue, 27 Mar 2012 14:35:47 -0700	[thread overview]
Message-ID: <4F7232B3.7020504@codeaurora.org> (raw)
In-Reply-To: <201203262236.59126.rjw@sisk.pl>

On 03/26/12 13:36, Rafael J. Wysocki wrote:
> On Monday, March 26, 2012, Stephen Boyd wrote:
>> On 03/25/12 15:01, Rafael J. Wysocki wrote:
>>> @@ -639,8 +655,15 @@ static int request_firmware_work_func(vo
>>>  		return 0;
>>>  	}
>>>  
>>> -	ret = _request_firmware(&fw, fw_work->name, fw_work->device,
>>> +	ret = _request_firmware_prepare(&fw, fw_work->name, fw_work->device);
>>> +	if (ret <= 0)
>>> +		return ret;
>> This needs to jump to the cont function so that users know loading
>> failed or that the firmware was builtin.
> You're right, sorry.  That should have been
>
> 	if (ret > 0) {
> 		ret = _request_firmware(fw, fw_work->name, fw_work->device,
> 			fw_work->uevent, true);
> 		if (ret)
> 			_request_firmware_cleanup(&fw);
> 	}
>
> but actually using a jump makes the next patch look better.
>
> Updated patch is appended.
> ---
> From: Rafael J. Wysocki <rjw@sisk.pl>
> Subject: firmware_class: Split _request_firmware() into three functions, v2
>
> Split _request_firmware() into three functions,
> _request_firmware_prepare() doing preparatory work that need not be
> done under umhelper_sem, _request_firmware_cleanup() doing the
> post-error cleanup and _request_firmware() carrying out the remaining
> operations.
>
> This change is requisite for moving the acquisition of umhelper_sem
> from _request_firmware() to the callers, which is going to be done
> subsequently.

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> ---

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.


  reply	other threads:[~2012-03-27 21:35 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-03 20:22 [RFC] firmware loader: retry _nowait requests when userhelper is not yet available Christian Lamparter
2012-03-03 23:57 ` Alan Cox
2012-03-04  1:50   ` Christian Lamparter
2012-03-05 20:12 ` Srivatsa S. Bhat
2012-03-09 22:30   ` [PATCH] firmware loader: don't cancel _nowait requests when helper " Christian Lamparter
2012-03-09 23:36     ` Greg KH
2012-03-10  0:52       ` Christian Lamparter
2012-03-11 11:56       ` Kay Sievers
2012-03-13  9:37         ` Saravana Kannan
2012-03-13  9:43         ` Saravana Kannan
2012-03-13 20:14           ` Rafael J. Wysocki
2012-03-14 19:21             ` Stephen Boyd
2012-03-14 23:04               ` Rafael J. Wysocki
2012-03-14 23:13                 ` Rafael J. Wysocki
2012-03-14 23:17                   ` Stephen Boyd
2012-03-14 23:34                     ` Rafael J. Wysocki
2012-03-14 23:38                       ` Stephen Boyd
2012-03-15  0:11                         ` Rafael J. Wysocki
2012-03-15 19:50                           ` [PATCH] firmware_class: Move request_firmware_nowait() to workqueues Stephen Boyd
2012-03-15 20:07                             ` Christian Lamparter
2012-03-15 20:12                               ` Stephen Boyd
2012-03-15 22:31                                 ` Rafael J. Wysocki
2012-03-16  1:39                                   ` Stephen Boyd
2012-03-16 20:19                                     ` Rafael J. Wysocki
2012-03-16 20:26                                       ` Stephen Boyd
2012-03-16 21:45                                         ` Rafael J. Wysocki
2012-03-16 22:18                                           ` Christian Lamparter
2012-03-16 22:35                                             ` Rafael J. Wysocki
2012-03-17  2:47                           ` [PATCH] firmware loader: don't cancel _nowait requests when helper is not yet available Stephen Boyd
2012-03-17  5:51                             ` Linus Torvalds
2012-03-17 20:06                               ` Rafael J. Wysocki
2012-03-18  8:26                               ` Stephen Boyd
2012-03-18 12:01                                 ` Rafael J. Wysocki
2012-03-19  6:32                                   ` Stephen Boyd
2012-03-19 11:24                                     ` Rafael J. Wysocki
2012-03-19 23:00                                       ` Rafael J. Wysocki
2012-03-25 22:00                                         ` [PATCH 0/6] firmware_class: Fix problems with usermodehelper test Rafael J. Wysocki
2012-03-25 22:01                                           ` [PATCH 1/6] firmware_class: Rework usermodehelper check Rafael J. Wysocki
2012-03-25 22:01                                           ` [PATCH 2/6] firmware_class: Split _request_firmware() into three functions Rafael J. Wysocki
2012-03-26 18:15                                             ` Stephen Boyd
2012-03-26 18:21                                               ` Stephen Boyd
2012-03-26 20:12                                                 ` Rafael J. Wysocki
2012-03-26 20:31                                                   ` Stephen Boyd
2012-03-26 20:36                                               ` Rafael J. Wysocki
2012-03-27 21:35                                                 ` Stephen Boyd [this message]
2012-03-27 21:51                                                   ` Rafael J. Wysocki
2012-03-25 22:02                                           ` [PATCH 3/6] firmware_class: Do not warn that system is not ready from async loads Rafael J. Wysocki
2012-03-25 22:03                                           ` [PATCH 4/6] PM / Hibernate: Disable usermode helpers right before freezing tasks Rafael J. Wysocki
2012-03-25 22:03                                           ` [PATCH 5/6] PM / Sleep: Move disabling of usermode helpers to the freezer Rafael J. Wysocki
2012-03-25 22:04                                           ` [PATCH 6/6] PM / Sleep: Mitigate race between the freezer and request_firmware() Rafael J. Wysocki
2012-03-26 18:16                                             ` Stephen Boyd
2012-03-26 20:06                                               ` Rafael J. Wysocki
2012-03-27 21:25                                                 ` Stephen Boyd
2012-03-27 21:37                                                   ` Rafael J. Wysocki
2012-03-26 18:42                                           ` [PATCH 0/6] firmware_class: Fix problems with usermodehelper test Greg KH
2012-03-26 20:37                                             ` Rafael J. Wysocki
2012-03-27 21:28                                           ` [PATCH 1/2] firmware_class: Reorganize fw_create_instance() Stephen Boyd
2012-03-27 21:47                                             ` Rafael J. Wysocki
2012-03-27 21:49                                               ` Greg KH
2012-03-27 21:56                                                 ` Rafael J. Wysocki
2012-03-27 21:28                                           ` [PATCH 2/2] firmware_class: Move request_firmware_nowait() to workqueues Stephen Boyd
2012-03-27 21:49                                             ` Rafael J. Wysocki
2012-03-27 22:01                                             ` Tejun Heo
2012-03-27 22:21                                               ` Rafael J. Wysocki
2012-03-27 22:48                                                 ` Tejun Heo
2012-03-27 22:55                                                   ` Rafael J. Wysocki
2012-03-27 23:02                                                     ` Stephen Boyd
2012-03-27 23:05                                                     ` Stephen Boyd
2012-03-28 21:19                                           ` [PATCH v2 0/8] firmware_class: Fix problems with usermodehelper test Rafael J. Wysocki
2012-03-28 21:20                                             ` [PATCH v2 1/8] firmware_class: Rework usermodehelper check Rafael J. Wysocki
2012-03-28 21:21                                             ` [PATCH v2 2/8] firmware_class: Split _request_firmware() into three functions, v2 Rafael J. Wysocki
2012-03-28 21:22                                             ` [PATCH v3 3/8] firmware_class: Do not warn that system is not ready from async loads Rafael J. Wysocki
2012-03-28 21:23                                             ` [PATCH v2 4/8] PM / Hibernate: Disable usermode helpers right before freezing tasks Rafael J. Wysocki
2012-03-28 21:23                                             ` [PATCH v2 5/8] PM / Sleep: Move disabling of usermode helpers to the freezer Rafael J. Wysocki
2012-03-28 21:24                                             ` [PATCH v2 6/8] PM / Sleep: Mitigate race between the freezer and request_firmware() Rafael J. Wysocki
2012-03-28 21:25                                             ` [PATCH v2 7/8] firmware_class: Reorganize fw_create_instance() Rafael J. Wysocki
2012-03-28 21:26                                             ` [PATCH v2 8/8] firmware_class: Move request_firmware_nowait() to workqueues Rafael J. Wysocki
2012-03-14 23:19                 ` [PATCH] firmware loader: don't cancel _nowait requests when helper is not yet available Rafael J. Wysocki
2012-03-13 19:42         ` Rafael J. Wysocki
2012-03-13 23:25           ` Kay Sievers
2012-03-14  0:10             ` Rafael J. Wysocki
2012-03-14  0:14               ` Kay Sievers
2012-03-14  0:54                 ` Linus Torvalds
2012-03-14  1:43                   ` Kay Sievers
2012-03-14  1:51                     ` Linus Torvalds
2012-03-14  1:55                       ` Kay Sievers
2012-03-14  2:00                         ` Kay Sievers
2012-03-14  2:21                         ` Linus Torvalds
2012-03-14 15:07               ` Srivatsa S. Bhat
2012-03-14 22:54                 ` Rafael J. Wysocki
2012-03-16  7:14                   ` Srivatsa S. Bhat
2012-03-16 20:23                     ` Rafael J. Wysocki
2012-03-16 21:14                       ` Christian Lamparter
2012-03-16 21:19                         ` Linus Torvalds
2012-03-19  7:06                         ` Srivatsa S. Bhat
2012-03-16 22:19   ` [RFC] firmware loader: retry _nowait requests when userhelper " Rafael J. Wysocki
2012-03-16 22:25     ` Christian Lamparter
2012-03-16 22:57       ` Rafael J. Wysocki
2012-03-16 23:35         ` Christian Lamparter
2012-03-16 23:37         ` Linus Torvalds
2012-03-17  0:23           ` Rafael J. Wysocki
2012-03-17  0:33             ` Linus Torvalds
2012-03-18  0:29               ` Rafael J. Wysocki
2012-03-18  2:21                 ` Linus Torvalds
2012-03-18 12:21                   ` Rafael J. Wysocki
2012-03-18 12:43                 ` Christian Lamparter
2012-03-18 23:15                   ` [PATCH 0/3] firmware_class: Fix problem with async requests (was: Re: [RFC] firmware loader: retry ...) Rafael J. Wysocki
2012-03-18 23:17                     ` [PATCH 1/3] firmware_class: Rework usermodehelper check Rafael J. Wysocki
2012-03-18 23:18                     ` [PATCH 2/3] firmware_class: Split _request_firmware() into three functions Rafael J. Wysocki
2012-03-18 23:21                     ` [PATCH 3/3] firmware_class: Do not warn that system is not ready for async loads Rafael J. Wysocki
2012-03-19 12:41           ` [RFC] firmware loader: retry _nowait requests when userhelper is not yet available James Courtier-Dutton

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