Pull cpuidle into release branch

[pandora-kernel.git] / Documentation / rtc.txt

diff --git a/Documentation/rtc.txt b/Documentation/rtc.txt
index 7c701b8..e20b19c 100644 (file)
--- a/Documentation/rtc.txt
+++ b/Documentation/rtc.txt
@@ -180,9 +180,10 @@ driver returns ENOIOCTLCMD.  Some common examples:
     *  RTC_IRQP_SET, RTC_IRQP_READ: the irq_set_freq function will be called
        to set the frequency while the framework will handle the read for you
        since the frequency is stored in the irq_freq member of the rtc_device
-       structure.  Also make sure you set the max_user_freq member in your
-       initialization routines so the framework can sanity check the user
-       input for you.
+       structure.  Your driver needs to initialize the irq_freq member during
+       init.  Make sure you check the requested frequency is in range of your
+       hardware in the irq_set_freq function.  If you cannot actually change
+       the frequency, just return -ENOTTY.
 
 If all else fails, check out the rtc-test.c driver!
 
@@ -385,7 +386,7 @@ test_PIE:
                /* not all RTCs support periodic IRQs */
                if (errno == ENOTTY) {
                        fprintf(stderr, "\nNo periodic IRQ support\n");
-                       return 0;
+                       goto done;
                }
                perror("RTC_IRQP_READ ioctl");
                exit(errno);