diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 93a61898b259..eae0c2bbbf38 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -93,10 +93,6 @@ config GENERIC_HWEIGHT bool default y -config GENERIC_CALIBRATE_DELAY - bool - default y - config GENERIC_FIND_NEXT_BIT bool default y diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index bee1443da763..15391c2ab013 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -52,6 +52,7 @@ #include #include #include +#include #include #include @@ -1143,6 +1144,15 @@ void div128_by_32(u64 dividend_high, u64 dividend_low, } +/* We don't need to calibrate delay, we use the CPU timebase for that */ +void calibrate_delay(void) +{ + /* Some generic code (such as spinlock debug) use loops_per_jiffy + * as the number of __delay(1) in a jiffy, so make it so + */ + loops_per_jiffy = tb_ticks_per_jiffy; +} + static int __init rtc_init(void) { struct platform_device *pdev;