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From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jeff@garzik.org>
Cc: Linus Torvalds <torvalds@osdl.org>, Jens Axboe <axboe@suse.de>,
	"zhao, forrest" <forrest.zhao@intel.com>,
	Tejun Heo <htejun@gmail.com>,
	linux-ide@vger.kernel.org
Subject: [PATCH] 2.6.17-rc5: the latest consensus libata resume fix
Date: Sun, 28 May 2006 11:28:00 -0400	[thread overview]
Message-ID: <200605281128.00532.liml@rtr.ca> (raw)
In-Reply-To: <4478F681.8050607@garzik.org>

Okay, just to sum things up.

The patch below is the current "release candidate" for
improving the libata/ata_piix resume functionality in 2.6.17-rc*.

It forces libata to wait for up to 2 seconds for BUSY|DRQ to clear
on resume before continuing.  This is only for 2.6.17 at present.

We are waiting on Jens to test and report back for this specific version.

Signed-off-by:  Mark Lord <liml@rtr.ca>
---
--- linux-2.6.17-rc5/drivers/scsi/libata-core.c
+++ linux/drivers/scsi/libata-core.c
@@ -4296,6 +4296,7 @@ static int ata_start_drive(struct ata_po
  */
 int ata_device_resume(struct ata_port *ap, struct ata_device *dev)
 {
 	if (ap->flags & ATA_FLAG_SUSPENDED) {
+		ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 200000);
 		ap->flags &= ~ATA_FLAG_SUSPENDED;
 		ata_set_mode(ap);

  reply	other threads:[~2006-05-28 15:28 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-26  9:04 [PATCH] Add ata_piix's own resume function zhao, forrest
2006-05-26 23:05 ` Jens Axboe
2006-05-26 23:28   ` Jeff Garzik
2006-05-26 23:38     ` Jeff Garzik
2006-05-26 23:50       ` Jeff Garzik
2006-05-27  6:21     ` Jens Axboe
2006-05-27  6:31       ` Jeff Garzik
2006-05-27  6:46         ` Jens Axboe
2006-05-27  6:52           ` Jeff Garzik
2006-05-27  3:22   ` 2.6.17-rc5-git1: regression: resume from suspend(RAM) fails: libata issue Mark Lord
2006-05-27  3:32     ` Linus Torvalds
2006-05-27  3:41       ` Jeff Garzik
2006-05-27  4:00       ` [PATCH] " Jeff Garzik
2006-05-27 18:23         ` Mark Lord
2006-05-27 18:47           ` Linus Torvalds
2006-05-27 19:01             ` Jeff Garzik
2006-05-27 19:06               ` Jeff Garzik
2006-05-27 19:01             ` Mark Lord
2006-05-27 20:45             ` Jens Axboe
2006-05-27 20:58               ` Jeff Garzik
2006-05-27 21:11                 ` Jens Axboe
2006-05-27 21:17                   ` Jeff Garzik
2006-05-27 21:20                     ` Jens Axboe
2006-05-27 21:23                       ` Mark Lord
2006-05-27 21:25                         ` Jens Axboe
2006-05-27 21:30                         ` Mark Lord
2006-05-27 21:24                       ` Jeff Garzik
2006-05-27 21:26                         ` Jens Axboe
2006-05-27 21:31                         ` Mark Lord
2006-05-27 21:32                           ` Jeff Garzik
2006-05-27 21:33                         ` Jens Axboe
2006-05-27 21:34                           ` Jeff Garzik
2006-05-27 21:37                             ` Mark Lord
2006-05-27 21:51                               ` Jeff Garzik
2006-05-27 21:41                             ` Tejun Heo
2006-05-27 21:45                               ` Jeff Garzik
2006-05-27 21:38                       ` Linus Torvalds
2006-05-27 21:50                         ` Jeff Garzik
2006-05-27 21:57                           ` Linus Torvalds
2006-05-27 22:11                             ` Jeff Garzik
2006-05-27 21:50                       ` Linus Torvalds
2006-05-27 21:53                         ` Jeff Garzik
2006-05-27 22:14                           ` Linus Torvalds
2006-05-27 22:06                         ` Mark Lord
2006-05-27 22:11                           ` Jens Axboe
2006-05-27 22:13                             ` Jeff Garzik
2006-05-27 22:15                               ` Jens Axboe
2006-05-27 22:15                             ` Mark Lord
2006-05-27 22:17                               ` Jens Axboe
2006-05-27 22:21                             ` Linus Torvalds
2006-05-27 22:29                               ` Mark Lord
2006-05-27 22:36                                 ` Jens Axboe
2006-05-27 22:48                                   ` Mark Lord
2006-05-27 22:53                                     ` Jens Axboe
2006-05-27 22:55                                       ` Jeff Garzik
2006-05-27 23:10                                       ` Mark Lord
2006-05-28  0:24                                         ` Linus Torvalds
2006-05-28  0:26                                           ` Linus Torvalds
2006-05-28  0:56                                             ` Jeff Garzik
2006-05-28  0:35                                           ` Linus Torvalds
2006-05-28  0:51                                           ` Mark Lord
2006-05-28  0:53                                           ` Jeff Garzik
2006-05-28  0:56                                             ` Mark Lord
2006-05-28  1:01                                             ` Linus Torvalds
2006-05-28  1:03                                               ` Jeff Garzik
2006-05-28  1:01                                           ` Jeff Garzik
2006-05-28 15:28                                             ` Mark Lord [this message]
2006-05-28 17:14                                               ` [PATCH] 2.6.17-rc5: the latest consensus libata resume fix Jens Axboe
2006-05-28 19:05                                                 ` Jeff Garzik
2006-05-28 19:18                                                   ` Mark Lord
2006-05-28 20:10                                                     ` Jeff Garzik
2006-05-28 20:27                                                       ` Mark Lord
2006-05-28 22:28                                                       ` Jens Axboe
2006-05-29  1:28                                                         ` Jeff Garzik
2006-05-29  2:53                                                           ` Mark Lord
2006-05-29  3:18                                                             ` Jeff Garzik
2006-05-29  3:28                                                           ` zhao, forrest
2006-05-29  2:43                                                         ` Mark Lord
2006-05-27 22:35                               ` [PATCH] Re: 2.6.17-rc5-git1: regression: resume from suspend(RAM) fails: libata issue Jens Axboe
2006-05-27 22:52                                 ` Jeff Garzik
2006-05-27 22:54                                   ` Jens Axboe
2006-05-27 23:06                                     ` Jens Axboe
2006-05-27 22:56                                   ` Mark Lord
2006-05-27 23:03                                     ` Jeff Garzik
2006-05-27 22:18                           ` Linus Torvalds
2006-05-27 22:23                             ` Mark Lord
2006-05-27 22:43                               ` Mark Lord
2006-05-28  0:13                               ` Linus Torvalds
2006-05-27 18:54           ` Jeff Garzik
2006-05-27 19:08             ` Mark Lord
2006-05-27 19:15               ` Jeff Garzik
2006-05-27 19:24                 ` Mark Lord
2006-05-27 20:24                   ` Jens Axboe
2006-05-27  6:29       ` Jens Axboe
2006-05-27  6:36         ` Jeff Garzik
2006-05-27  7:01           ` Jens Axboe
2006-05-27  7:06             ` Jeff Garzik
2006-05-27 18:46         ` Mark Lord
2006-05-27  3:35     ` Jeff Garzik
2006-05-27  6:20     ` Jens Axboe

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