From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: mlord@pobox.com, albertcc@tw.ibm.com, alan@lxorguk.ukuu.org.uk,
axboe@suse.de, forrest.zhao@intel.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH 10/13] ahci: convert to new probing mechanism and add hotplug support
Date: Tue, 30 May 2006 00:27:33 -0400 [thread overview]
Message-ID: <447BC9B5.3040708@pobox.com> (raw)
In-Reply-To: <11488847362303-git-send-email-htejun@gmail.com>
Tejun Heo wrote:
> Convert to new probing mechanism and add hotplug support by enabling
> PORT_IRQ_PHYRDY, marking ehi for hotplug and scheduling EH on
> CONNECT/PHYRDY interrupts.
>
> Unfortunately, ahci cannot reliably wait for the first FIS34 after
> hotplug. It sometimes succeeds but times out more often than not, so
> ATA_FLAG_CANT_WAIT_FIS34 is used.
>
> This patch also fixes ahci_hardreset() such that D2H Register FIS RX
> area is cleared before issuing COMRESET. Without this,
> ata_busy_sleep() after COMRESET might prematually finish if the
> previous TF contains DRDY && !BSY.
>
> Signed-off-by: Tejun Heo <htejun@gmail.com>
NAK all mention of FIS34, ACK everything else
next prev parent reply other threads:[~2006-05-30 4:27 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-29 6:38 [PATCHSET 03/03] add hotplug support, take 4 Tejun Heo
2006-05-29 6:38 ` [PATCH 01/13] libata-hp: implement ata_eh_detach_dev() Tejun Heo
2006-05-30 4:17 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 02/13] libata-hp: implement hotplug Tejun Heo
2006-05-30 4:18 ` Jeff Garzik
2006-05-30 4:44 ` Tejun Heo
2006-05-29 6:38 ` [PATCH 03/13] libata-hp: implement SCSI part of hotplug Tejun Heo
2006-05-29 6:38 ` [PATCH 11/13] sata_sil24: convert to new probing mechanism and add hotplug support Tejun Heo
2006-05-30 4:28 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 08/13] ata_piix: convert ata_piix to new probing mechanism Tejun Heo
2006-05-29 6:38 ` [PATCH 07/13] libata-hp: implement unload-unplug Tejun Heo
2006-05-30 4:24 ` Jeff Garzik
2006-05-30 4:37 ` Tejun Heo
2006-05-30 4:44 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 10/13] ahci: convert to new probing mechanism and add hotplug support Tejun Heo
2006-05-30 4:27 ` Jeff Garzik [this message]
2006-05-29 6:38 ` [PATCH 09/13] sata_sil: " Tejun Heo
2006-05-30 4:26 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 12/13] libata-hp: killl ops->probe_reset Tejun Heo
2006-05-29 6:38 ` [PATCH 13/13] libata-hp: move ata_do_reset() to libata-eh.c Tejun Heo
2006-05-30 4:28 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 04/13] libata-hp: implement warmplug Tejun Heo
2006-05-29 6:38 ` [PATCH 06/13] libata-hp: implement bootplug Tejun Heo
2006-05-30 4:23 ` Jeff Garzik
2006-05-30 4:29 ` Tejun Heo
2006-05-30 4:34 ` Jeff Garzik
2006-05-30 4:40 ` Tejun Heo
2006-05-30 4:43 ` Jeff Garzik
2006-05-29 6:38 ` [PATCH 05/13] libata-hp: hook warmplug Tejun Heo
2006-05-30 4:21 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2006-05-31 11:25 [PATCHSET 03/03] add hotplug support, take 5 Tejun Heo
2006-05-31 11:25 ` [PATCH 10/13] ahci: convert to new probing mechanism and add hotplug support Tejun Heo
2006-05-19 15:48 [PATCHSET 03/03] add hotplug support, take 3 Tejun Heo
2006-05-19 15:48 ` [PATCH 10/13] ahci: convert to new probing mechanism and add hotplug support Tejun Heo
2006-05-11 15:32 [PATCHSET 08/11] add hotplug support, take 2 Tejun Heo
2006-05-11 15:32 ` [PATCH 10/13] ahci: convert to new probing mechanism and add hotplug support Tejun Heo
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