From: Randy Dunlap Fix bluetooth hci_bcsp Kconfig to avoid build errors: drivers/built-in.o: In function `bcsp_prepare_pkt': hci_bcsp.c:(.text+0x7e9ac): undefined reference to `bitrev16' drivers/built-in.o: In function `bcsp_recv': hci_bcsp.c:(.text+0x7f276): undefined reference to `bitrev16' hci_bcsp.c:(.text+0x7f293): undefined reference to `bitrev16' make[1]: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap Dave Young Acked-by: Marcel Holtmann Signed-off-by: Andrew Morton --- drivers/bluetooth/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN drivers/bluetooth/Kconfig~bluetooth-hci_bcsp-fix-bitrev-kconfig drivers/bluetooth/Kconfig --- a/drivers/bluetooth/Kconfig~bluetooth-hci_bcsp-fix-bitrev-kconfig +++ a/drivers/bluetooth/Kconfig @@ -71,7 +71,7 @@ config BT_HCIUART_H4 config BT_HCIUART_BCSP bool "BCSP protocol support" depends on BT_HCIUART - select CONFIG_BITREVERSE + select BITREVERSE help BCSP (BlueCore Serial Protocol) is serial protocol for communication between Bluetooth device and host. This protocol is required for non _