PM / Runtime: Add macro to test for runtime PM events

This patch (as1482) adds a macro for testing whether or not a
pm_message value represents an autosuspend or autoresume (i.e., a
runtime PM) event.  Encapsulating this notion seems preferable to
open-coding the test all over the place.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2 files changed, 4 insertions, 5 deletions

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 9d8710f8bc79..1782693819f3 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -2409,7 +2409,7 @@ static int picolcd_raw_event(struct hid_device *hdev,
 #ifdef CONFIG_PM
 static int picolcd_suspend(struct hid_device *hdev, pm_message_t message)
 {
-        if (message.event & PM_EVENT_AUTO)
+        if (PMSG_IS_AUTO(message))
                 return 0;
 
         picolcd_suspend_backlight(hid_get_drvdata(hdev));
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index ad978f5748d3..a9fa294ee7d3 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1332,7 +1332,7 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
         struct usbhid_device *usbhid = hid->driver_data;
         int status;
 
-        if (message.event & PM_EVENT_AUTO) {
+        if (PMSG_IS_AUTO(message)) {
                 spin_lock_irq(&usbhid->lock);   /* Sync with error handler */
                 if (!test_bit(HID_RESET_PENDING, &usbhid->iofl)
                     && !test_bit(HID_CLEAR_HALT, &usbhid->iofl)
@@ -1367,7 +1367,7 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
                         return -EIO;
         }
 
-        if (!ignoreled && (message.event & PM_EVENT_AUTO)) {
+        if (!ignoreled && PMSG_IS_AUTO(message)) {
                 spin_lock_irq(&usbhid->lock);
                 if (test_bit(HID_LED_ON, &usbhid->iofl)) {
                         spin_unlock_irq(&usbhid->lock);
@@ -1380,8 +1380,7 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
         hid_cancel_delayed_stuff(usbhid);
         hid_cease_io(usbhid);
 
-        if ((message.event & PM_EVENT_AUTO) &&
-                        test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) {
+        if (PMSG_IS_AUTO(message) && test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) {
                 /* lost race against keypresses */
                 status = hid_start_in(hid);
                 if (status < 0)