Function prototype or declaration at include/linux/amba/bus.h, line 145 References: drivers/amba/bus.c, line 802 drivers/amba/bus.c, line 837 drivers/char/hw_random/nomadik-rng.c, line 51 drivers/dma/amba-pl08x.c, line 2710 drivers/input/serio/ambakmi.c, line 113 drivers/memory/pl172.c, line 238 drivers/rtc/rtc-pl030.c, line 90 drivers/rtc/rtc-pl031.c, line 302 drivers/spi/spi-pl022.c, line 2157 drivers/video/fbdev/amba-clcd.c, line 877 include/linux/amba/bus.h, line 145 sound/arm/aaci.c, line 978