diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 328774bd41ee171706de902d5640721bfc49b0d2..6506bf4fbff13d82d1c66b629638efe435882b3d 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -400,7 +400,7 @@ config IRQ_ALL_CPUS
 
 config SPARSE_IRQ
 	bool "Support sparse irq numbering"
-	default y
+	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
@@ -409,7 +409,7 @@ config SPARSE_IRQ
 	  ( 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 Y.
+	  If you don't know what to do here, say N.
 
 config NUMA
 	bool "NUMA support"