rtc: don't reference bogus function pointer in kdoc

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>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index ccb7d6b4da3b..56ed0c3a8c85 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -573,10 +573,9 @@ out:
         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);