From: Greg Ungerer Date: Mon, 30 Jan 2012 01:58:21 +0000 (+1000) Subject: m68k: make support for FPU hardware configurable X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9657a87205a367bddd802cbf439531697597fd8b;p=mv-sheeva.git m68k: make support for FPU hardware configurable The classic m68k code has always supported an FPU (although it may have been a software emulated one). The non-MMU m68k code has never supported FPU hardware. To help in merging common code create a configation setting that signifies if we are builing in FPU support or not. This switch, CONFIG_FPU, is set as per the current use cases. So it is always enabled if CONFIG_MMU is set, and disabled otherwise. With a little extra code it will be possible to disable it on the classic m68k platforms as well, and to enable it on non-MMU platforms that do have hardware FPU. Signed-off-by: Greg Ungerer Acked-by: Geert Uytterhoeven --- diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 6f823dcc0d7..d318c606c88 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -7,6 +7,7 @@ config M68K select GENERIC_IRQ_SHOW select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS select GENERIC_CPU_DEVICES + select FPU if MMU config RWSEM_GENERIC_SPINLOCK bool @@ -64,6 +65,9 @@ config CPU_HAS_NO_MULDIV64 config CPU_HAS_ADDRESS_SPACES bool +config FPU + bool + config HZ int default 1000 if CLEOPATRA