From: Jeff Garzik <jeff@garzik.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Mark Lord <liml@rtr.ca>, Jens Axboe <axboe@suse.de>,
"zhao, forrest" <forrest.zhao@intel.com>,
Tejun Heo <htejun@gmail.com>,
linux-ide@vger.kernel.org
Subject: Re: [PATCH] Re: 2.6.17-rc5-git1: regression: resume from suspend(RAM) fails: libata issue
Date: Sat, 27 May 2006 21:01:53 -0400 [thread overview]
Message-ID: <4478F681.8050607@garzik.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0605271716030.5623@g5.osdl.org>
Linus Torvalds wrote:
> int ata_device_resume(struct ata_port *ap, struct ata_device *dev)
> {
> + /*
> + * Wait for BUSY to go away for up to 2 seconds,
> + * and then try to wait for idle (up to 1 msec)
> + */
> + ata_busy_wait(ap, ATA_BUSY, 200000);
> + ata_wait_idle(ap);
> +
> if (ap->flags & ATA_FLAG_SUSPENDED) {
> ap->flags &= ~ATA_FLAG_SUSPENDED;
> ata_set_mode(ap);
>
Oh, and as Jens pointed out, the busy-wait should be inside the
ATA_FLAG_SUSPENDED test... (though one wonders when resume would ever
be called, except when that flag is set)
Jeff
next prev parent reply other threads:[~2006-05-28 1:01 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 [this message]
2006-05-28 15:28 ` [PATCH] 2.6.17-rc5: the latest consensus libata resume fix Mark Lord
2006-05-28 17:14 ` 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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