diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/dock.c | 3 | ||||
| -rw-r--r-- | drivers/ata/libata-acpi.c | 107 |
2 files changed, 16 insertions, 94 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 4b395b1e61b..f19f643fb36 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -738,7 +738,8 @@ static void dock_notify(acpi_handle handle, u32 event, void *data) /* Fall back */ case ACPI_NOTIFY_EJECT_REQUEST: begin_undock(ds); - if (immediate_undock || surprise_removal) + if ((immediate_undock && !(ds->flags & DOCK_IS_ATA)) + || surprise_removal) handle_eject_request(ds, event); else dock_event(ds, event, UNDOCK_EVENT); diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 9330b7922f6..97727be7e15 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -120,21 +120,6 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap) ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; } -static void ata_acpi_eject_device(acpi_handle handle) -{ - struct acpi_object_list arg_list; - union acpi_object arg; - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = 1; - - if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0", - &arg_list, NULL))) - printk(KERN_ERR "Failed to evaluate _EJ0!\n"); -} - /* @ap and @dev are the same as ata_acpi_handle_hotplug() */ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev) { @@ -157,7 +142,6 @@ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev) * @ap: ATA port ACPI event occurred * @dev: ATA device ACPI event occurred (can be NULL) * @event: ACPI event which occurred - * @is_dock_event: boolean indicating whether the event was a dock one * * All ACPI bay / device realted events end up in this function. If * the event is port-wide @dev is NULL. If the event is specific to a @@ -171,115 +155,58 @@ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev) * ACPI notify handler context. May sleep. */ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev, - u32 event, int is_dock_event) + u32 event) { - char event_string[12]; - char *envp[] = { event_string, NULL }; struct ata_eh_info *ehi = &ap->link.eh_info; - struct kobject *kobj = NULL; int wait = 0; unsigned long flags; - acpi_handle handle, tmphandle; - unsigned long sta; - acpi_status status; + acpi_handle handle; - if (dev) { - if (dev->sdev) - kobj = &dev->sdev->sdev_gendev.kobj; + if (dev) handle = dev->acpi_handle; - } else { - kobj = &ap->dev->kobj; + else handle = ap->acpi_handle; - } - - status = acpi_get_handle(handle, "_EJ0", &tmphandle); - if (ACPI_FAILURE(status)) - /* This device does not support hotplug */ - return; - - if (event == ACPI_NOTIFY_BUS_CHECK || - event == ACPI_NOTIFY_DEVICE_CHECK) - status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); spin_lock_irqsave(ap->lock, flags); - + /* + * When dock driver calls into the routine, it will always use + * ACPI_NOTIFY_BUS_CHECK/ACPI_NOTIFY_DEVICE_CHECK for add and + * ACPI_NOTIFY_EJECT_REQUEST for remove + */ switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: ata_ehi_push_desc(ehi, "ACPI event"); - if (ACPI_FAILURE(status)) { - ata_port_printk(ap, KERN_ERR, - "acpi: failed to determine bay status (0x%x)\n", - status); - break; - } - - if (sta) { - ata_ehi_hotplugged(ehi); - ata_port_freeze(ap); - } else { - /* The device has gone - unplug it */ - ata_acpi_detach_device(ap, dev); - wait = 1; - } + ata_ehi_hotplugged(ehi); + ata_port_freeze(ap); break; case ACPI_NOTIFY_EJECT_REQUEST: ata_ehi_push_desc(ehi, "ACPI event"); - if (!is_dock_event) - break; - - /* undock event - immediate unplug */ ata_acpi_detach_device(ap, dev); wait = 1; break; } - /* make sure kobj doesn't go away while ap->lock is released */ - kobject_get(kobj); - spin_unlock_irqrestore(ap->lock, flags); - if (wait) { + if (wait) ata_port_wait_eh(ap); - ata_acpi_eject_device(handle); - } - - if (kobj && !is_dock_event) { - sprintf(event_string, "BAY_EVENT=%d", event); - kobject_uevent_env(kobj, KOBJ_CHANGE, envp); - } - - kobject_put(kobj); } static void ata_acpi_dev_notify_dock(acpi_handle handle, u32 event, void *data) { struct ata_device *dev = data; - ata_acpi_handle_hotplug(dev->link->ap, dev, event, 1); + ata_acpi_handle_hotplug(dev->link->ap, dev, event); } static void ata_acpi_ap_notify_dock(acpi_handle handle, u32 event, void *data) { struct ata_port *ap = data; - ata_acpi_handle_hotplug(ap, NULL, event, 1); -} - -static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data) -{ - struct ata_device *dev = data; - - ata_acpi_handle_hotplug(dev->link->ap, dev, event, 0); -} - -static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data) -{ - struct ata_port *ap = data; - - ata_acpi_handle_hotplug(ap, NULL, event, 0); + ata_acpi_handle_hotplug(ap, NULL, event); } /** @@ -315,9 +242,6 @@ void ata_acpi_associate(struct ata_host *host) ata_acpi_associate_ide_port(ap); if (ap->acpi_handle) { - acpi_install_notify_handler(ap->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_ap_notify, ap); /* we might be on a docking station */ register_hotplug_dock_device(ap->acpi_handle, ata_acpi_ap_notify_dock, ap); @@ -327,9 +251,6 @@ void ata_acpi_associate(struct ata_host *host) struct ata_device *dev = &ap->link.device[j]; if (dev->acpi_handle) { - acpi_install_notify_handler(dev->acpi_handle, - ACPI_SYSTEM_NOTIFY, - ata_acpi_dev_notify, dev); /* we might be on a docking station */ register_hotplug_dock_device(dev->acpi_handle, ata_acpi_dev_notify_dock, dev); |