ACPI: update ej_event interface to take acpi_device

Should use acpi_device pointer directly instead of use handle and
get the device pointer again later.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

3 files changed, 6 insertions, 12 deletions

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 327ab4459558..eaddb7a89c70 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -361,7 +361,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
                         break;
                 }
 
-                ej_event->handle = handle;
+                ej_event->device = device;
                 ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
                 acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
                                         (void *)ej_event);
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 0777663f443e..a24ee43e06e4 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -733,7 +733,7 @@ static void acpi_processor_hotplug_notify(acpi_handle handle,
                         break;
                 }
 
-                ej_event->handle = handle;
+                ej_event->device = device;
                 ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
                 acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
                                         (void *)ej_event);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index d04d0b33656c..388b59c096dc 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -116,20 +116,14 @@ static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
 void acpi_bus_hot_remove_device(void *context)
 {
         struct acpi_eject_event *ej_event = (struct acpi_eject_event *) context;
-        struct acpi_device *device;
-        acpi_handle handle = ej_event->handle;
+        struct acpi_device *device = ej_event->device;
+        acpi_handle handle = device->handle;
         acpi_handle temp;
         struct acpi_object_list arg_list;
         union acpi_object arg;
         acpi_status status = AE_OK;
         u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
 
-        if (acpi_bus_get_device(handle, &device))
-                goto err_out;
-
-        if (!device)
-                goto err_out;
-
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                 "Hot-removing device %s...\n", dev_name(&device->dev)));
 
@@ -215,7 +209,7 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
                 goto err;
         }
 
-        ej_event->handle = acpi_device->handle;
+        ej_event->device = acpi_device;
         if (acpi_device->flags.eject_pending) {
                 /* event originated from ACPI eject notification */
                 ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
@@ -223,7 +217,7 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
         } else {
                 /* event originated from user */
                 ej_event->event = ACPI_OST_EC_OSPM_EJECT;
-                (void) acpi_evaluate_hotplug_ost(ej_event->handle,
+                (void) acpi_evaluate_hotplug_ost(acpi_device->handle,
                         ej_event->event, ACPI_OST_SC_EJECT_IN_PROGRESS, NULL);
         }