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x86/irq: Remove unused pre_init_apic_IRQ0()

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

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Grant Likely <grant.likely@linaro.org>
Link: http://lkml.kernel.org/r/1428905519-23704-32-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu 2015-04-13 14:11:53 +08:00 committed by Thomas Gleixner
parent b0415817cb
commit 4e69d7eab4
2 changed files with 0 additions and 18 deletions
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1
arch/x86/include/asm/io_apic.h
View File

@ -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);

17
arch/x86/kernel/apic/io_apic.c
View File

@ -3091,20 +3091,3 @@ 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");
}