powerpc: Use generic irq Kconfig

No functional change.

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

1 files changed, 3 insertions, 21 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e0b185dd718a..7d69e9bf5e64 100644
--- 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