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Date: Tue, 20 May 2014 00:22:55 +0800 From: Jiang Liu <jiang.liu@...ux.intel.com> To: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Thomas Gleixner <tglx@...utronix.de>, Grant Likely <grant.likely@...aro.org>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Bjorn Helgaas <bhelgaas@...gle.com>, Randy Dunlap <rdunlap@...radead.org>, Yinghai Lu <yinghai@...nel.org>, x86@...nel.org, Jiang Liu <jiang.liu@...ux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Andrew Morton <akpm@...ux-foundation.org>, Tony Luck <tony.luck@...el.com>, Joerg Roedel <joro@...tes.org>, Paul Gortmaker <paul.gortmaker@...driver.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org, Ingo Molnar <mingo@...nel.org> Subject: [Patch Part1 V2 11/29] x86, ioapic: kill unused global variable timer_through_8259 Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com> --- arch/x86/include/asm/io_apic.h | 4 ---- arch/x86/kernel/apic/io_apic.c | 3 --- 2 files changed, 7 deletions(-) diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 8dd1e13f2989..de3d8b04cf64 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -130,9 +130,6 @@ extern int noioapicquirk; /* -1 if "noapic" boot option passed */ extern int noioapicreroute; -/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */ -extern int timer_through_8259; - /* * If we use the IO-APIC for IRQ routing, disable automatic * assignment of PCI IRQ's. @@ -212,7 +209,6 @@ extern void io_apic_eoi(unsigned int apic, unsigned int vector); #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_insert_resources(void) { } #define gsi_top (NR_IRQS_LEGACY) static inline int mp_find_ioapic(u32 gsi) { return 0; } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 4d7d46650faa..e8dd12a04cea 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2649,8 +2649,6 @@ static int __init disable_timer_pin_setup(char *arg) } early_param("disable_timer_pin_1", disable_timer_pin_setup); -int timer_through_8259 __initdata; - /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -2755,7 +2753,6 @@ static inline void __init check_timer(void) legacy_pic->unmask(0); if (timer_irq_works()) { apic_printk(APIC_QUIET, KERN_INFO "....... works.\n"); - timer_through_8259 = 1; goto out; } /* -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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