> static int xiic_bus_busy(struct xiic_i2c *i2c)
> @@ -602,16 +601,21 @@ static void xiic_start_send(struct xiic_i2c *i2c)
> static irqreturn_t xiic_isr(int irq, void *dev_id)
> {
> struct xiic_i2c *i2c = dev_id;
> -
> - spin_lock(&i2c->lock);
> + u32 pend, isr, ier;
> + irqreturn_t ret = IRQ_HANDLED;
> + /* Do not processes a devices interrupts if the device has no
> + * interrupts pending
> + */
Shouldn't you init 'ret' to IRQ_NONE then?
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