Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/delay.h b/include/linux/delay.h
index b78bab4..8e68280 100644
--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -55,6 +55,7 @@
extern unsigned long lpj_fine;
void calibrate_delay(void);
+void __attribute__((weak)) calibration_delay_done(void);
void msleep(unsigned int msecs);
unsigned long msleep_interruptible(unsigned int msecs);
void usleep_range(unsigned long min, unsigned long max);