[Patch Part3 v4 03/38] x86, irq: Kill unused pre_init_apic_IRQ0()

From: Jiang Liu
Date: Tue Nov 25 2014 - 02:47:36 EST


Now there's no user of pre_init_apic_IRQ0(), so kill it.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Tested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
arch/x86/include/asm/io_apic.h | 1 -
arch/x86/kernel/apic/io_apic.c | 17 -----------------
2 files changed, 18 deletions(-)

diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index bf006cce9418..3207143f0a44 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -204,7 +204,6 @@ extern int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq,
irq_hw_number_t hwirq);
extern void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq);
extern int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node);
-extern void __init pre_init_apic_IRQ0(void);

extern void mp_save_irq(struct mpc_intsrc *m);

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 51936be8ab13..919afe772347 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3088,20 +3088,3 @@ int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node)

return ret;
}
-
-/* Enable IOAPIC early just for system timer */
-void __init pre_init_apic_IRQ0(void)
-{
- struct io_apic_irq_attr attr = { 0, 0, 0, 0 };
-
- printk(KERN_INFO "Early APIC setup for system timer0\n");
-#ifndef CONFIG_SMP
- physid_set_mask_of_physid(boot_cpu_physical_apicid,
- &phys_cpu_present_map);
-#endif
- setup_local_APIC();
-
- io_apic_setup_irq_pin(0, 0, &attr);
- irq_set_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq,
- "edge");
-}
--
1.7.10.4

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