diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 80119b3398e7f2acb1f2a1091c247cb8193e947e..5c9cbfc14c4d5ad9ad06bf18f3a4b2f523eebd0b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -55,6 +55,8 @@ config GENERIC_HARDIRQS
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
 	def_bool y
+	depends on SUPERH32 && (!SH_DREAMCAST && !SH_SH4202_MICRODEV && \
+				!SH_7751_SYSTEMH && !HD64461)
 
 config GENERIC_IRQ_PROBE
 	def_bool y
diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c
index d1812d32f47d40c4c5e3c028aae8727c755f451f..63f0de29aa14eeb508645dd0b917e7c4163950c1 100644
--- a/drivers/sh/maple/maple.c
+++ b/drivers/sh/maple/maple.c
@@ -827,7 +827,7 @@ static int __init maple_bus_init(void)
 
 	maple_queue_cache =
 	    kmem_cache_create("maple_queue_cache", 0x400, 0,
-			      SLAB_POISON|SLAB_HWCACHE_ALIGN, NULL);
+			      SLAB_HWCACHE_ALIGN, NULL);
 
 	if (!maple_queue_cache)
 		goto cleanup_bothirqs;