drivers/rtc/rtc-ds1307.c: fix sysfs wakealarm attribute creation

In order to allow the creation of the sysfs attribute wakealarm, this
patch moves the device_set_wakeup_capable() call above the RTC device
registration.
Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-ds1307.c

@@ -927,6 +927,7 @@ static int ds1307_probe(struct i2c_client *client,
 				bin2bcd(tmp));
 	}
 
+	device_set_wakeup_capable(&client->dev, want_irq);
 	ds1307->rtc = devm_rtc_device_register(&client->dev, client->name,
 				&ds13xx_rtc_ops, THIS_MODULE);
 	if (IS_ERR(ds1307->rtc)) {
@@ -941,7 +942,6 @@ static int ds1307_probe(struct i2c_client *client,
 			dev_err(&client->dev, "unable to request IRQ!\n");
 		} else {
 
-			device_set_wakeup_capable(&client->dev, 1);
 			set_bit(HAS_ALARM, &ds1307->flags);
 			dev_dbg(&client->dev, "got IRQ %d\n", client->irq);
 		}