power/smb347-charger.c: set IRQF_ONESHOT flag to ensure IRQ request

Since commit 1c6c695 ("genirq: Reject
bogus threaded irq requests") threaded IRQs without a primary handler
need to be requested with IRQF_ONESHOT, otherwise the request may fail.

Generated by: scripts/coccinelle/misc/irqf_oneshot.cocci

Signed-off-by: Valentin Rothberg <Valentin.Rothberg@lip6.fr>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

drivers/power/smb347-charger.c

@@ -842,7 +842,8 @@ static int smb347_irq_init(struct smb347_charger *smb,
 		goto fail;
 
 	ret = request_threaded_irq(irq, NULL, smb347_interrupt,
-				   IRQF_TRIGGER_FALLING, client->name, smb);
+				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				   client->name, smb);
 	if (ret < 0)
 		goto fail_gpio;