diff options
| -rw-r--r-- | Documentation/rtc.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/rtc.txt b/Documentation/rtc.txt index e20b19c1b60..804a7cf6bd1 100644 --- a/Documentation/rtc.txt +++ b/Documentation/rtc.txt @@ -182,8 +182,8 @@ driver returns ENOIOCTLCMD. Some common examples: since the frequency is stored in the irq_freq member of the rtc_device 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. + hardware in the irq_set_freq function. If it isn't, return -EINVAL. If + you cannot actually change the frequency, do not define irq_set_freq. If all else fails, check out the rtc-test.c driver! |