From: Tejun Heo <htejun@gmail.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-ide@vger.kernel.org, Forrest Zhao <forrest.zhao@gmail.com>
Subject: Re: [PATCH 04/15] libata-pmp: extend ACPI support to cover PMP
Date: Fri, 13 Jul 2007 12:05:24 +0900 [thread overview]
Message-ID: <4696EBF4.4020907@gmail.com> (raw)
In-Reply-To: <46968E0B.9090307@garzik.org>
Jeff Garzik wrote:
> Tejun Heo wrote:
>> Extend ata_acpi_associate_sata_port() such that it can handle PMP and
>> call it when PMP is attached and detached.
>>
>> Signed-off-by: Tejun Heo <htejun@gmail.com>
>
> Though not your fault, I predict much puking of BIOS code, when PMP are
> attached and suspend/whatever ACPI-related. I doubt ACPI writers take
> PMP into account.
In most cases, ACPI just would be disabled when PMP is attached and
reenabled when detached, so it should be generally okay. I'm not sure
if anyone would implement PMP ACPI methods but at least one vendor is
selling a motherboard with on-board PMP, so maybe....
--
tejun
next prev parent reply other threads:[~2007-07-13 3:05 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-01 10:54 [PATCHSET 4/4] implement PMP support, take 4 Tejun Heo
2007-07-01 10:54 ` [PATCH 01/15] libata-pmp: update ata_eh_reset() for PMP Tejun Heo
2007-07-01 10:54 ` [PATCH 02/15] libata-pmp: implement Port Multiplier support Tejun Heo
2007-07-01 10:54 ` [PATCH 03/15] libata-pmp: hook PMP support and enable it Tejun Heo
2007-07-01 10:54 ` [PATCH 04/15] libata-pmp: extend ACPI support to cover PMP Tejun Heo
2007-07-12 20:24 ` Jeff Garzik
2007-07-13 3:05 ` Tejun Heo [this message]
2007-07-01 10:54 ` [PATCH 09/15] sata_sil24: implement PORT_RST Tejun Heo
2007-07-01 10:54 ` [PATCH 07/15] sata_sil24: separate out sil24_do_softreset() Tejun Heo
2007-07-12 20:26 ` Jeff Garzik
2007-07-01 10:54 ` [PATCH 06/15] sata_sil24: separate out sil24_exec_polled_cmd() Tejun Heo
2007-07-12 20:25 ` Jeff Garzik
2007-07-13 3:06 ` Tejun Heo
2007-07-01 10:54 ` [PATCH 08/15] sata_sil24: implement PMP support Tejun Heo
2007-07-01 10:54 ` [PATCH 05/15] sata_sil24: replace sil24_update_tf() with sil24_read_tf() Tejun Heo
2007-07-01 10:54 ` [PATCH 14/15] ahci: separate out ahci_do_softreset() Tejun Heo
2007-07-12 20:26 ` Jeff Garzik
2007-07-01 10:54 ` [PATCH 10/15] libata-pmp: implement qc_defer for command switching PMP support Tejun Heo
2007-07-01 10:54 ` [PATCH 11/15] ahci: use deadline instead of fixed timeout for 1st FIS for SRST Tejun Heo
2007-07-01 10:54 ` [PATCH 12/15] ahci: separate out ahci_kick_engine() Tejun Heo
2007-07-12 20:26 ` Jeff Garzik
2007-07-01 10:54 ` [PATCH 13/15] ahci: separate out ahci_exec_polled_cmd() Tejun Heo
2007-07-12 20:26 ` Jeff Garzik
2007-07-01 10:54 ` [PATCH 15/15] ahci: implement PMP support Tejun Heo
2007-07-03 7:39 ` [PATCHSET 4/4] implement PMP support, take 4 Jim Paris
2007-07-03 9:34 ` Tejun Heo
2007-07-03 19:40 ` Jim Paris
2007-07-12 20:27 ` Jeff Garzik
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