linux-kernel - [tip:x86/apic] x86/irq: Remove unused pre_init_apic

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Message-ID: <tip-4e69d7eab4c24aa88fb0ec99fad7feac254d9ece@git.kernel.org>
Date:	Fri, 24 Apr 2015 08:52:25 -0700
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	david.a.cohen@...ux.intel.com, tony.luck@...el.com, bp@...en8.de,
	yinghai@...nel.org, sivanich@....com, linux@...elenboom.it,
	linux-kernel@...r.kernel.org, bhelgaas@...gle.com, hpa@...or.com,
	david.vrabel@...rix.com, rdunlap@...radead.org,
	benh@...nel.crashing.org, jiang.liu@...ux.intel.com,
	grant.likely@...aro.org, konrad.wilk@...cle.com, mingo@...nel.org,
	rjw@...ysocki.net, andriy.shevchenko@...ux.intel.com,
	joro@...tes.org, JBeulich@...e.com, gregkh@...uxfoundation.org,
	tglx@...utronix.de
Subject: [tip:x86/apic] x86/irq: Remove unused pre_init_apic_IRQ0()

Commit-ID:  4e69d7eab4c24aa88fb0ec99fad7feac254d9ece
Gitweb:     http://git.kernel.org/tip/4e69d7eab4c24aa88fb0ec99fad7feac254d9ece
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 13 Apr 2015 14:11:53 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 24 Apr 2015 15:36:51 +0200

x86/irq: Remove unused pre_init_apic_IRQ0()

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

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: David Cohen <david.a.cohen@...ux.intel.com>
Cc: Sander Eikelenboom <linux@...elenboom.it>
Cc: David Vrabel <david.vrabel@...rix.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Dimitri Sivanich <sivanich@....com>
Cc: Jan Beulich <JBeulich@...e.com>
Cc: Grant Likely <grant.likely@...aro.org>
Link: http://lkml.kernel.org/r/1428905519-23704-32-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 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 2f91685..c976de1 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 56d5321..540598c 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -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");
-}
--
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