1 --- a/arch/mips/bcm47xx/setup.c
2 +++ b/arch/mips/bcm47xx/setup.c
5 #include <asm/reboot.h>
9 #include <bcm47xx_nvram.h>
10 #include <bcm47xx_board.h>
11 @@ -214,6 +215,15 @@ static void __init bcm47xx_register_bcma
12 panic("Failed to initialize BCMA bus (err %d)", err);
14 bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
16 + /* The BCM4706 has a problem with the CPU wait instruction.
17 + * When r4k_wait or r4k_wait_irqoff is used will just hang and
18 + * not return from a msleep(). Removing the cpu_wait
19 + * functionality is a workaround for this problem. The BCM4716
20 + * does not have this problem.
22 + if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)