powerpc/mpc5121: avoid using arch_initcall for clock init

Move mpc5121_clk_init() call to platform init code so it won't
get called on non-5121 platforms on a multiplatform kernel.
Signed-off-by: NAnatolij Gustschin <agust@denx.de>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>

arch/powerpc/platforms/512x/clock.c

@@ -698,8 +698,7 @@ static struct clk_interface mpc5121_clk_functions = {
 	.clk_get_parent		= NULL,
 };
 
-static int
-mpc5121_clk_init(void)
+int __init mpc5121_clk_init(void)
 {
 	struct device_node *np;
 
@@ -724,6 +723,3 @@ mpc5121_clk_init(void)
 	clk_functions = mpc5121_clk_functions;
 	return 0;
 }
-
-
-arch_initcall(mpc5121_clk_init);

arch/powerpc/platforms/512x/mpc5121_ads.c

@@ -64,7 +64,7 @@ define_machine(mpc5121_ads) {
 	.name			= "MPC5121 ADS",
 	.probe			= mpc5121_ads_probe,
 	.setup_arch		= mpc5121_ads_setup_arch,
-	.init			= mpc512x_declare_of_platform_devices,
+	.init			= mpc512x_init,
 	.init_IRQ		= mpc5121_ads_init_IRQ,
 	.get_irq		= ipic_get_irq,
 	.calibrate_decr		= generic_calibrate_decr,

arch/powerpc/platforms/512x/mpc5121_generic.c

@@ -51,7 +51,7 @@ static int __init mpc5121_generic_probe(void)
 define_machine(mpc5121_generic) {
 	.name			= "MPC5121 generic",
 	.probe			= mpc5121_generic_probe,
-	.init			= mpc512x_declare_of_platform_devices,
+	.init			= mpc512x_init,
 	.init_IRQ		= mpc512x_init_IRQ,
 	.get_irq		= ipic_get_irq,
 	.calibrate_decr		= generic_calibrate_decr,

arch/powerpc/platforms/512x/mpc512x.h

@@ -12,5 +12,7 @@
 #ifndef __MPC512X_H__
 #define __MPC512X_H__
 extern void __init mpc512x_init_IRQ(void);
+extern void __init mpc512x_init(void);
+extern int __init mpc5121_clk_init(void);
 void __init mpc512x_declare_of_platform_devices(void);
 #endif				/* __MPC512X_H__ */

arch/powerpc/platforms/512x/mpc512x_shared.c

@@ -58,3 +58,8 @@ void __init mpc512x_declare_of_platform_devices(void)
 			"Error while probing of_platform bus\n");
 }
 
+void __init mpc512x_init(void)
+{
+	mpc512x_declare_of_platform_devices();
+	mpc5121_clk_init();
+}