From: Jeff Garzik <jeff@garzik.org>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Tejun Heo <htejun@gmail.com>,
linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
kristen.c.accardi@intel.com
Subject: Re: [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 4
Date: Tue, 02 Oct 2007 14:55:31 -0400 [thread overview]
Message-ID: <47029423.6030605@garzik.org> (raw)
In-Reply-To: <20071002184958.GC31251@srcf.ucam.org>
Matthew Garrett wrote:
> Modern laptops with hotswap bays still tend to utilise a PATA interface
> on a SATA bridge, generally with the host controller in some legacy
> emulation mode rather than AHCI. This means that the existing hotplug
> code in libata is unable to work. The ACPI specification states that
> these devices can send notifications when hotswapped, which avoids the
> need to obtain notification from the controller. This patch uses the
> existing libata-acpi code and simply registers a notification in order
> to trigger a rescan whenever the firmware signals an event.
>
> Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
>
> ---
>
> This incorporates Jeff's feedback. sdev is checked for NULL, and
> different notifications are registered for ap-level and dev-level
> handlers. The core code is split out into a helper function called by
> both of these. The other change is the removal of the extraneous newline
> from the end of the notification event, to match the upstream change in
> the bay driver.
applied
next prev parent reply other threads:[~2007-10-02 18:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-15 3:01 [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug Matthew Garrett
2007-09-15 17:06 ` [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 2 Matthew Garrett
2007-09-16 12:22 ` Tejun Heo
2007-09-20 22:04 ` Jeff Garzik
2007-09-20 22:21 ` Matthew Garrett
2007-09-21 2:35 ` Tejun Heo
2007-09-21 2:42 ` Matthew Garrett
2007-09-21 2:53 ` Tejun Heo
2007-09-21 2:57 ` Matthew Garrett
2007-09-21 3:08 ` Tejun Heo
2007-09-21 3:12 ` Matthew Garrett
2007-09-21 3:19 ` Tejun Heo
2007-09-24 23:14 ` [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 3 Matthew Garrett
2007-09-27 17:26 ` Kristen Carlson Accardi
2007-09-27 17:55 ` Matthew Garrett
2007-09-27 20:39 ` Henrique de Moraes Holschuh
2007-10-02 15:04 ` Jeff Garzik
2007-10-02 18:46 ` Matthew Garrett
2007-10-02 18:49 ` [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 4 Matthew Garrett
2007-10-02 18:55 ` Jeff Garzik [this message]
2007-10-02 20:38 ` Jeff Garzik
2007-10-02 20:42 ` Matthew Garrett
2007-10-02 21:20 ` Matthew Garrett
2007-10-02 21:23 ` Jeff Garzik
2007-10-03 0:24 ` [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 5 Matthew Garrett
2007-10-03 20:27 ` Jeff Garzik
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