diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index cdc9a6ff4be..bf6cedfa05d 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -42,6 +42,10 @@ config GENERIC_HARDIRQS bool default y +config GENERIC_HARDIRQS_NO__DO_IRQ + bool + default y + config HAVE_SETUP_PER_CPU_AREA def_bool PPC64 @@ -89,10 +93,6 @@ config GENERIC_HWEIGHT bool default y -config GENERIC_CALIBRATE_DELAY - bool - default y - config GENERIC_FIND_NEXT_BIT bool default y @@ -125,6 +125,8 @@ config PPC select USE_GENERIC_SMP_HELPERS if SMP select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS if PPC64 + select GENERIC_ATOMIC64 if PPC32 + select HAVE_PERF_COUNTERS config EARLY_PRINTK bool @@ -296,9 +298,19 @@ config IOMMU_VMERGE config IOMMU_HELPER def_bool PPC64 +config SWIOTLB + bool "SWIOTLB support" + default n + select IOMMU_HELPER + ---help--- + Support for IO bounce buffering for systems without an IOMMU. + This allows us to DMA to the full physical address space on + platforms where the size of a physical address is larger + than the bus address. Not all platforms support this. + config PPC_NEED_DMA_SYNC_OPS def_bool y - depends on NOT_COHERENT_CACHE + depends on (NOT_COHERENT_CACHE || SWIOTLB) config HOTPLUG_CPU bool "Support for enabling/disabling CPUs" |