vooze@x1:~/Downloads$ patch < RTC-Restore-alarm-after-resume.patch
can't find file to patch at input line 5
Perhaps you should have used the -p or --strip option?
The text leading up to this was:
--------------------------
|diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
|index 472a5ad..c7e09e2 100644
|--- a/drivers/rtc/class.c
|+++ b/drivers/rtc/class.c
--------------------------
File to patch: