x86/init: Remove unused init ops

Some past platform removal forgot to get rid of this unused ballast.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20200826112330.806095671@linutronix.de

arch/x86/include/asm/mpspec.h

@@ -67,21 +67,11 @@ static inline void find_smp_config(void)
 #ifdef CONFIG_X86_MPPARSE
 extern void e820__memblock_alloc_reserved_mpc_new(void);
 extern int enable_update_mptable;
-extern int default_mpc_apic_id(struct mpc_cpu *m);
-extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
-# ifdef CONFIG_X86_IO_APIC
-extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
-# else
-#  define default_mpc_oem_bus_info NULL
-# endif
 extern void default_find_smp_config(void);
 extern void default_get_smp_config(unsigned int early);
 #else
 static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
 #define enable_update_mptable 0
-#define default_mpc_apic_id NULL
-#define default_smp_read_mpc_oem NULL
-#define default_mpc_oem_bus_info NULL
 #define default_find_smp_config x86_init_noop
 #define default_get_smp_config x86_init_uint_noop
 #endif

arch/x86/include/asm/x86_init.h

@@ -11,22 +11,12 @@ struct cpuinfo_x86;
 
 /**
  * struct x86_init_mpparse - platform specific mpparse ops
- * @mpc_record:			platform specific mpc record accounting
  * @setup_ioapic_ids:		platform specific ioapic id override
- * @mpc_apic_id:		platform specific mpc apic id assignment
- * @smp_read_mpc_oem:		platform specific oem mpc table setup
- * @mpc_oem_pci_bus:		platform specific pci bus setup (default NULL)
- * @mpc_oem_bus_info:		platform specific mpc bus info
  * @find_smp_config:		find the smp configuration
  * @get_smp_config:		get the smp configuration
  */
 struct x86_init_mpparse {
-	void (*mpc_record)(unsigned int mode);
 	void (*setup_ioapic_ids)(void);
-	int (*mpc_apic_id)(struct mpc_cpu *m);
-	void (*smp_read_mpc_oem)(struct mpc_table *mpc);
-	void (*mpc_oem_pci_bus)(struct mpc_bus *m);
-	void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
 	void (*find_smp_config)(void);
 	void (*get_smp_config)(unsigned int early);
 };

arch/x86/kernel/mpparse.c

@@ -46,11 +46,6 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 	return sum & 0xFF;
 }
 
-int __init default_mpc_apic_id(struct mpc_cpu *m)
-{
-	return m->apicid;
-}
-
 static void __init MP_processor_info(struct mpc_cpu *m)
 {
 	int apicid;
@@ -61,7 +56,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
 		return;
 	}
 
-	apicid = x86_init.mpparse.mpc_apic_id(m);
+	apicid = m->apicid;
 
 	if (m->cpuflag & CPU_BOOTPROCESSOR) {
 		bootup_cpu = " (Bootup-CPU)";
@@ -73,7 +68,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
 }
 
 #ifdef CONFIG_X86_IO_APIC
-void __init default_mpc_oem_bus_info(struct mpc_bus *m, char *str)
+static void __init mpc_oem_bus_info(struct mpc_bus *m, char *str)
 {
 	memcpy(str, m->bustype, 6);
 	str[6] = 0;
@@ -84,7 +79,7 @@ static void __init MP_bus_info(struct mpc_bus *m)
 {
 	char str[7];
 
-	x86_init.mpparse.mpc_oem_bus_info(m, str);
+	mpc_oem_bus_info(m, str);
 
 #if MAX_MP_BUSSES < 256
 	if (m->busid >= MAX_MP_BUSSES) {
@@ -100,9 +95,6 @@ static void __init MP_bus_info(struct mpc_bus *m)
 		mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
 #endif
 	} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
-		if (x86_init.mpparse.mpc_oem_pci_bus)
-			x86_init.mpparse.mpc_oem_pci_bus(m);
-
 		clear_bit(m->busid, mp_bus_not_pci);
 #ifdef CONFIG_EISA
 		mp_bus_id_to_type[m->busid] = MP_BUS_PCI;
@@ -198,8 +190,6 @@ static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt)
 			1, mpc, mpc->length, 1);
 }
 
-void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { }
-
 static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
 {
 	char str[16];
@@ -218,14 +208,7 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
 	if (early)
 		return 1;
 
-	if (mpc->oemptr)
-		x86_init.mpparse.smp_read_mpc_oem(mpc);
-
-	/*
-	 *      Now process the configuration blocks.
-	 */
-	x86_init.mpparse.mpc_record(0);
-
+	/* Now process the configuration blocks. */
 	while (count < mpc->length) {
 		switch (*mpt) {
 		case MP_PROCESSOR:
@@ -256,7 +239,6 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
 			count = mpc->length;
 			break;
 		}
-		x86_init.mpparse.mpc_record(1);
 	}
 
 	if (!num_processors)

arch/x86/kernel/x86_init.c

@@ -67,11 +67,7 @@ struct x86_init_ops x86_init __initdata = {
 	},
 
 	.mpparse = {
-		.mpc_record		= x86_init_uint_noop,
 		.setup_ioapic_ids	= x86_init_noop,
-		.mpc_apic_id		= default_mpc_apic_id,
-		.smp_read_mpc_oem	= default_smp_read_mpc_oem,
-		.mpc_oem_bus_info	= default_mpc_oem_bus_info,
 		.find_smp_config	= default_find_smp_config,
 		.get_smp_config		= default_get_smp_config,
 	},