[patch 33/37] powerpc: Use generic irq Kconfig

[Thomas Gleixner]

No functional change.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---
 arch/powerpc/Kconfig |   24 +++---------------------
 1 file changed, 3 insertions(+), 21 deletions(-)

Index: linux-2.6/arch/powerpc/Kconfig
===================================================================
--- linux-2.6.orig/arch/powerpc/Kconfig
+++ linux-2.6/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


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