x86: Move traps_init to x86_init_ops

Replace the quirks by a simple x86_init_ops function.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/include/asm/setup.h

@@ -16,11 +16,8 @@
 struct x86_quirks {
 	int (*arch_pre_time_init)(void);
 	int (*arch_time_init)(void);
-	int (*arch_trap_init)(void);
 };
 
-extern void x86_quirk_trap_init(void);
-
 extern void x86_quirk_pre_time_init(void);
 extern void x86_quirk_time_init(void);
 

arch/x86/include/asm/x86_init.h

@@ -48,10 +48,12 @@ struct x86_init_resources {
  * @pre_vector_init:		init code to run before interrupt vectors
  *				are set up.
  * @intr_init:			interrupt init code
+ * @trap_init:			platform specific trap setup
  */
 struct x86_init_irqs {
 	void (*pre_vector_init)(void);
 	void (*intr_init)(void);
+	void (*trap_init)(void);
 };
 
 /**

arch/x86/kernel/apic/numaq_32.c

@@ -265,7 +265,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
 static struct x86_quirks numaq_x86_quirks __initdata = {
 	.arch_pre_time_init		= numaq_pre_time_init,
 	.arch_time_init			= NULL,
-	.arch_trap_init			= NULL,
 };
 
 static __init void early_check_numaq(void)

arch/x86/kernel/setup.c

@@ -1020,21 +1020,6 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_X86_32
 
-/**
- * x86_quirk_trap_init - initialise system specific traps
- *
- * Description:
- *	Called as the final act of trap_init().  Used in VISWS to initialise
- *	the various board specific APIC traps.
- **/
-void __init x86_quirk_trap_init(void)
-{
-	if (x86_quirks->arch_trap_init) {
-		if (x86_quirks->arch_trap_init())
-			return;
-	}
-}
-
 static struct irqaction irq0  = {
 	.handler = timer_interrupt,
 	.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,

arch/x86/kernel/traps.c

@@ -59,6 +59,7 @@
 #include <asm/mach_traps.h>
 
 #ifdef CONFIG_X86_64
+#include <asm/x86_init.h>
 #include <asm/pgalloc.h>
 #include <asm/proto.h>
 #else
@@ -980,7 +981,5 @@ void __init trap_init(void)
 	 */
 	cpu_init();
 
-#ifdef CONFIG_X86_32
-	x86_quirk_trap_init();
-#endif
+	x86_init.irqs.trap_init();
 }

arch/x86/kernel/visws_quirks.c

@@ -224,11 +224,10 @@ static void __init visws_find_smp_config(unsigned int reserve)
 	mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
 }
 
-static int visws_trap_init(void);
+static void visws_trap_init(void);
 
 static struct x86_quirks visws_x86_quirks __initdata = {
 	.arch_time_init		= visws_time_init,
-	.arch_trap_init		= visws_trap_init,
 };
 
 void __init visws_early_detect(void)
@@ -252,6 +251,7 @@ void __init visws_early_detect(void)
 	x86_init.mpparse.get_smp_config = visws_get_smp_config;
 	x86_init.mpparse.find_smp_config = visws_find_smp_config;
 	x86_init.irqs.pre_vector_init = visws_pre_intr_init;
+	x86_init.irqs.trap_init = visws_trap_init;
 
 	/*
 	 * Install reboot quirks:
@@ -390,12 +390,10 @@ static __init void cobalt_init(void)
 		co_apic_read(CO_APIC_ID));
 }
 
-static int __init visws_trap_init(void)
+static void __init visws_trap_init(void)
 {
 	lithium_init();
 	cobalt_init();
-
-	return 1;
 }
 
 /*

arch/x86/kernel/x86_init.c

@@ -40,5 +40,6 @@ struct __initdata x86_init_ops x86_init = {
 	.irqs = {
 		.pre_vector_init	= init_ISA_irqs,
 		.intr_init		= native_init_IRQ,
+		.trap_init		= x86_init_noop,
 	},
 };