Re: [v4.5-rc3 REGRESSION] rcar_sound-related WARN_ON()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

Hi Geert

> > [   59.144598] irq 311: nobody cared (try booting with the "irqpoll" option)
> > [   59.151419] CPU: 0 PID: 410 Comm: irq/311-da9210 Not tainted 4.5.0-rc3-02009-g83c516e #612
> 
> Ugh, the da9210 interrupt.
> 
> That probably means an event was set that isn't handled by
> da9210_irq_handler().
> 
> Is it reproducible? If yes, can you please print val in the !handled case?
> Thanks!

I tried this patch, but It didn't use this printk().
Am I wrong ?

-------------
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
index 01c0e37..85c1166 100644
--- a/drivers/regulator/da9210-regulator.c
+++ b/drivers/regulator/da9210-regulator.c
@@ -167,6 +167,8 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
                        goto error_i2c;
 
                ret = IRQ_HANDLED;
+       } else if (val != handled) {
+               printk("---val %x : %x\n", val, handled);
        }
 
        return ret;
---------