sh: SH7786 SMP support.

SH7786 is roughly identical to SH-X3 proto SMP, though there are only 2
CPUs. This just wraps in to the existing SH-X3 SMP code with some minor
changes for SH7786, including wiring up the IPIs properly, enabling
IRQ_PER_CPU, and so forth.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 09c0aef31d03..eff0f2352c93 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -71,6 +71,9 @@ config GENERIC_HARDIRQS_NO__DO_IRQ
 config GENERIC_IRQ_PROBE
         def_bool y
 
+config IRQ_PER_CPU
+        def_bool y
+
 config GENERIC_GPIO
         def_bool n
 
@@ -414,6 +417,8 @@ config CPU_SUBTYPE_SH7786
         select CPU_HAS_PTEAEX
         select ARCH_SPARSEMEM_ENABLE
         select SYS_SUPPORTS_NUMA
+        select SYS_SUPPORTS_SMP
+        select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 
 config CPU_SUBTYPE_SHX3
         bool "Support SH-X3 processor"
@@ -651,7 +656,7 @@ config NR_CPUS
         int "Maximum number of CPUs (2-32)"
         range 2 32
         depends on SMP
-        default "4" if CPU_SHX3
+        default "4" if CPU_SUBTYPE_SHX3
         default "2"
         help
           This allows you to specify the maximum number of CPUs which this