The mentioned function pointer is long gone since early 2011. Remove the
reference in the comment and reword it slightly.
Fixes:
51ba60c5bb3b ("RTC: Cleanup rtc_class_ops->update_irq_enable()")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
mutex_unlock(&rtc->ops_lock);
#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
/*
- * Enable emulation if the driver did not provide
- * the update_irq_enable function pointer or if returned
- * -EINVAL to signal that it has been configured without
- * interrupts or that are not available at the moment.
+ * Enable emulation if the driver returned -EINVAL to signal that it has
+ * been configured without interrupts or they are not available at the
+ * moment.
*/
if (err == -EINVAL)
err = rtc_dev_update_irq_enable_emul(rtc, enabled);