ARM: OMAP2: Fix SPI driver failure on 2420 when running multi-omap config

SPI driver will do unhandled fault on OMAP2420 if trying to probe
non-existing SPI busses. Register those additional busses runtime only
for cpus having them.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 496983ade97e..894cc355818a 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -354,10 +354,12 @@ static void omap_init_mcspi(void)
         platform_device_register(&omap2_mcspi1);
         platform_device_register(&omap2_mcspi2);
 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
-        platform_device_register(&omap2_mcspi3);
+        if (cpu_is_omap2430() || cpu_is_omap343x())
+                platform_device_register(&omap2_mcspi3);
 #endif
 #ifdef CONFIG_ARCH_OMAP3
-        platform_device_register(&omap2_mcspi4);
+        if (cpu_is_omap343x())
+                platform_device_register(&omap2_mcspi4);
 #endif
 }