x86, apic: Remove mps_oem_check callback

Since commit b5660ba76b41 ("x86, platforms: Remove NUMAQ") removed NUMAQ,
the mps_oem_check() apic callback has been obsolete.  Remove it.

This allows generic_mps_oem_check() to be removed as well.

Signed-off-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.02.1407302349390.17503@chino.kir.corp.google.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

11 files changed, 1 insertions, 45 deletions

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index b8c1380690e7..86d155026c3e 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -309,13 +309,6 @@ struct apic {
         void (*enable_apic_mode)(void);
         int (*phys_pkg_id)(int cpuid_apic, int index_msb);
 
-        /*
-         * When one of the next two hooks returns 1 the apic
-         * is switched to this. Essentially they are additional
-         * probe functions:
-         */
-        int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid);
-
         unsigned int (*get_apic_id)(unsigned long x);
         unsigned long (*set_apic_id)(unsigned int id);
         unsigned long apic_id_mask;
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 7bef40a01a1d..b07233b64578 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -150,6 +150,4 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 
 extern physid_mask_t phys_cpu_present_map;
 
-extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
-
 #endif /* _ASM_X86_MPSPEC_H */
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index a790497902e4..86c4203af12e 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -182,7 +182,6 @@ static struct apic apic_flat =  {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = flat_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = flat_get_apic_id,
         .set_apic_id                    = set_apic_id,
@@ -295,7 +294,6 @@ static struct apic apic_physflat =  {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = flat_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = flat_get_apic_id,
         .set_apic_id                    = set_apic_id,
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index f05b4f090214..6b25735cc1cd 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -152,8 +152,6 @@ struct apic apic_noop = {
 
         .phys_pkg_id                    = noop_phys_pkg_id,
 
-        .mps_oem_check                  = NULL,
-
         .get_apic_id                    = noop_get_apic_id,
         .set_apic_id                    = NULL,
         .apic_id_mask                   = 0x0F << 24,
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index c0d9165be0d7..5f835003634a 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -231,7 +231,6 @@ static const struct apic apic_numachip __refconst = {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = numachip_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = get_apic_id,
         .set_apic_id                    = set_apic_id,
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index eb159163064c..90f6427687ea 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -182,7 +182,6 @@ static struct apic apic_bigsmp = {
         .check_phys_apicid_present      = bigsmp_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = bigsmp_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = bigsmp_get_apic_id,
         .set_apic_id                    = NULL,
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 5b617a92af0e..b4211f69e6a2 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -102,7 +102,6 @@ static struct apic apic_default = {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = default_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = default_get_apic_id,
         .set_apic_id                    = NULL,
@@ -210,29 +209,7 @@ void __init generic_apic_probe(void)
         printk(KERN_INFO "Using APIC driver %s\n", apic->name);
 }
 
-/* These functions can switch the APIC even after the initial ->probe() */
-
-int __init
-generic_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
-{
-        struct apic **drv;
-
-        for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
-                if (!((*drv)->mps_oem_check))
-                        continue;
-                if (!(*drv)->mps_oem_check(mpc, oem, productid))
-                        continue;
-
-                if (!cmdline_apic) {
-                        apic = *drv;
-                        printk(KERN_INFO "Switched to APIC driver `%s'.\n",
-                               apic->name);
-                }
-                return 1;
-        }
-        return 0;
-}
-
+/* This function can switch the APIC even after the initial ->probe() */
 int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
         struct apic **drv;
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index d96cab15f6f4..7e4ac5587af0 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -263,7 +263,6 @@ static struct apic apic_x2apic_cluster = {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = x2apic_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = x2apic_get_apic_id,
         .set_apic_id                    = x2apic_set_apic_id,
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 73d0fee6d0cd..01136e64c380 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -117,7 +117,6 @@ static struct apic apic_x2apic_phys = {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = x2apic_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = x2apic_get_apic_id,
         .set_apic_id                    = x2apic_set_apic_id,
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index cc5d40e6c85d..119c55377640 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -379,7 +379,6 @@ static struct apic __refdata apic_x2apic_uv_x = {
         .check_phys_apicid_present      = default_check_phys_apicid_present,
         .enable_apic_mode               = NULL,
         .phys_pkg_id                    = uv_phys_pkg_id,
-        .mps_oem_check                  = NULL,
 
         .get_apic_id                    = x2apic_get_apic_id,
         .set_apic_id                    = set_apic_id,
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index fde86d2b79f8..2d2a237f2c73 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -216,9 +216,6 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
         if (!smp_check_mpc(mpc, oem, str))
                 return 0;
 
-#ifdef CONFIG_X86_32
-        generic_mps_oem_check(mpc, oem, str);
-#endif
         /* Initialize the lapic mapping */
         if (!acpi_lapic)
                 register_lapic_address(mpc->lapic);