powerpc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e0b185d..7d69e9b 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -36,20 +36,12 @@ config GENERIC_TIME_VSYSCALL
 config GENERIC_CLOCKEVENTS
        def_bool y
 
-config GENERIC_HARDIRQS
-       bool
-       default y
-
 config HAVE_SETUP_PER_CPU_AREA
        def_bool PPC64
 
 config NEED_PER_CPU_EMBED_FIRST_CHUNK
        def_bool PPC64
 
-config IRQ_PER_CPU
-       bool
-       default y
-
 config NR_IRQS
        int "Number of virtual interrupt numbers"
        range 32 32768
@@ -139,6 +131,9 @@ config PPC
        select HAVE_PERF_EVENTS
        select HAVE_REGS_AND_STACK_ACCESS_API
        select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
+       select HAVE_GENERIC_HARDIRQS
+       select HAVE_SPARSE_IRQ
+       select IRQ_PER_CPU
 
 config EARLY_PRINTK
        bool
@@ -388,19 +383,6 @@ config IRQ_ALL_CPUS
          CPU.  Generally saying Y is safe, although some problems have been
          reported with SMP Power Macintoshes with this option enabled.
 
-config SPARSE_IRQ
-       bool "Support sparse irq numbering"
-       default n
-       help
-         This enables support for sparse irqs. This is useful for distro
-         kernels that want to define a high CONFIG_NR_CPUS value but still
-         want to have low kernel memory footprint on smaller machines.
-
-         ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
-           out the irq_desc[] array in a more NUMA-friendly way. )
-
-         If you don't know what to do here, say N.
-
 config NUMA
        bool "NUMA support"
        depends on PPC64