genirq: better warning on irqchip->set_type() failure
While I'm glad to finally see the hole fixed whereby passing an invalid
IRQ trigger type to request_irq() would be ignored, the current diagnostic
isn't quite useful. Fixed by also listing the trigger type which was
rejected.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 152abfd..0314074 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -323,7 +323,8 @@
ret = chip->set_type(irq, flags & IRQF_TRIGGER_MASK);
if (ret)
- pr_err("setting flow type for irq %u failed (%pF)\n",
+ pr_err("setting trigger mode %d for irq %u failed (%pF)\n",
+ (int)(flags & IRQF_TRIGGER_MASK),
irq, chip->set_type);
return ret;