rtc kconfig: point out need for static linkage
Changes
1 files changed · +3 −0
| File | Status | Add | Del | Content |
|---|---|---|---|---|
| drivers/rtc/Kconfig | modified | +3 | −0 | View file |
drivers/rtc/Kconfig
View filediff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 35f3466..505f512 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -38,6 +38,9 @@ config RTC_HCTOSYS_DEVICE
clock, usually rtc0. Initialization is done when the system
starts up, and when it resumes from a low power state.
+ The driver for this RTC device must be loaded before late_initcall
+ functions run, so it must usually be statically linked.
+
This clock should be battery-backed, so that it reads the correct
time when the system boots from a power-off state. Otherwise, your
system will need an external clock source (like an NTP server).