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Message-ID: <20080214125615.GD9708@homac.suse.de>
Date: Thu, 14 Feb 2008 13:56:15 +0100
From: Holger Macht <hmacht@...e.de>
To: linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
Tejun Heo <htejun@...il.com>,
Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Subject: Re: [PATCH] libata: Register for dock events when the drive is
inside a dock station
On Thu 14. Feb - 13:40:48, Holger Macht wrote:
> If a device/bay is inside a docking station, we need to register for dock
> events additionally to bay events. If a dock event occurs, the dock driver
> will call the appropriate handler (ata_acpi_ap_notify() or
> ata_acpi_dev_notify()) for us.
>
> Signed-off-by: Holger Macht <hmacht@...e.de>
Updated patch which only includes the dock specific function if the dock
driver is actually compiled.
Signed-off-by: Holger Macht <hmacht@...e.de>
---
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 9e8ec19..5f16055 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -191,20 +191,33 @@ void ata_acpi_associate(struct ata_host *host)
else
ata_acpi_associate_ide_port(ap);
- if (ap->acpi_handle)
+ if (ap->acpi_handle) {
acpi_install_notify_handler (ap->acpi_handle,
ACPI_SYSTEM_NOTIFY,
ata_acpi_ap_notify,
ap);
+#ifdef CONFIG_ACPI_DOCK
+ /* we might be on a docking station */
+ register_hotplug_dock_device(ap->acpi_handle,
+ ata_acpi_ap_notify, ap);
+#endif
+ }
for (j = 0; j < ata_link_max_devices(&ap->link); j++) {
struct ata_device *dev = &ap->link.device[j];
- if (dev->acpi_handle)
+ if (dev->acpi_handle) {
acpi_install_notify_handler (dev->acpi_handle,
ACPI_SYSTEM_NOTIFY,
ata_acpi_dev_notify,
dev);
+#ifdef CONFIG_ACPI_DOCK
+ /* we might be on a docking station */
+ register_hotplug_dock_device(ap->acpi_handle,
+ ata_acpi_dev_notify,
+ ap);
+#endif
+ }
}
}
}
--
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