summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2009-08-20 09:27:29 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-08-27 17:12:52 +0200
commitde93410310952fb7b705f784ef22493c8362dbe8 (patch)
treeebf9925e8f78343ddb24049cc9146ead4df34661
parentf4848472cd99487e182b64fb2a5d0e4fedbe86ad (diff)
downloadop-kernel-dev-de93410310952fb7b705f784ef22493c8362dbe8.zip
op-kernel-dev-de93410310952fb7b705f784ef22493c8362dbe8.tar.gz
x86: Move ioapic_ids_setup to x86_init_ops
32bit and also the numaq code have special requirements on the ioapic_id setup. Convert it to a x86_init_ops function and get rid of the quirks and #ifdefs Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/x86/include/asm/io_apic.h3
-rw-r--r--arch/x86/include/asm/setup.h1
-rw-r--r--arch/x86/include/asm/x86_init.h2
-rw-r--r--arch/x86/kernel/apic/io_apic.c11
-rw-r--r--arch/x86/kernel/apic/numaq_32.c8
-rw-r--r--arch/x86/kernel/head32.c3
-rw-r--r--arch/x86/kernel/x86_init.c1
7 files changed, 13 insertions, 16 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 330ee80..2b8aeb8 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -177,12 +177,13 @@ extern int setup_ioapic_entry(int apic, int irq,
int polarity, int vector, int pin);
extern void ioapic_write_entry(int apic, int pin,
struct IO_APIC_route_entry e);
+extern void setup_ioapic_ids_from_mpc(void);
#else /* !CONFIG_X86_IO_APIC */
#define io_apic_assign_pci_irqs 0
+#define setup_ioapic_ids_from_mpc x86_init_noop
static const int timer_through_8259 = 0;
static inline void ioapic_init_mappings(void) { }
static inline void ioapic_insert_resources(void) { }
-
static inline void probe_nr_irqs_gsi(void) { }
#endif
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index bbf2dfd..cc8b4b0 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -30,7 +30,6 @@ struct x86_quirks {
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
unsigned short oemsize);
- int (*setup_ioapic_ids)(void);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 10b297b..6598573 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -4,9 +4,11 @@
/**
* struct x86_init_mpparse - platform specific mpparse ops
* @mpc_record: platform specific mpc record accounting
+ * @setup_ioapic_ids: platform specific ioapic id override
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
+ void (*setup_ioapic_ids)(void);
};
/**
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d2ed6c5..5f46871 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2014,7 +2014,7 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
-static void __init setup_ioapic_ids_from_mpc(void)
+void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
physid_mask_t phys_id_present_map;
@@ -2023,9 +2023,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
unsigned char old_id;
unsigned long flags;
- if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids())
+ if (acpi_ioapic)
return;
-
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
@@ -3061,10 +3060,8 @@ void __init setup_IO_APIC(void)
/*
* Set up IO-APIC IRQ routing.
*/
-#ifdef CONFIG_X86_32
- if (!acpi_ioapic)
- setup_ioapic_ids_from_mpc();
-#endif
+ x86_init.mpparse.setup_ioapic_ids();
+
sync_Arb_IDs();
setup_IO_APIC_irqs();
init_IO_APIC_traps();
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index b5f0b1d..f371765 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -262,12 +262,6 @@ static void __init
}
}
-static int __init numaq_setup_ioapic_ids(void)
-{
- /* so can skip it */
- return 1;
-}
-
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
@@ -280,7 +274,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.mpc_oem_bus_info = mpc_oem_bus_info,
.mpc_oem_pci_bus = mpc_oem_pci_bus,
.smp_read_mpc_oem = smp_read_mpc_oem,
- .setup_ioapic_ids = numaq_setup_ioapic_ids,
};
static __init void early_check_numaq(void)
@@ -299,6 +292,7 @@ static __init void early_check_numaq(void)
if (found_numaq) {
x86_quirks = &numaq_x86_quirks;
x86_init.mpparse.mpc_record = numaq_mpc_record;
+ x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
}
}
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 921a23b..a21398f 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -13,6 +13,8 @@
#include <asm/e820.h>
#include <asm/page.h>
#include <asm/trampoline.h>
+#include <asm/apic.h>
+#include <asm/io_apic.h>
void __init i386_start_kernel(void)
{
@@ -32,6 +34,7 @@ void __init i386_start_kernel(void)
/* Initilize 32bit specific setup functions */
x86_init.resources.probe_roms = probe_roms;
x86_init.resources.reserve_resources = i386_reserve_resources;
+ x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
x86_init.resources.reserve_ebda_region();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 83bd5db..f4a32b3 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -27,5 +27,6 @@ struct __initdata x86_init_ops x86_init = {
.mpparse = {
.mpc_record = x86_init_uint_noop,
+ .setup_ioapic_ids = x86_init_noop,
},
};
OpenPOWER on IntegriCloud