---

yaml --- r: 99317 b: refs/heads/master c: ecd2947 h: refs/heads/master i: 99315: cc9fff9 v: v3
git-mirror · Jul 8, 2008 · 0722327 · 0722327
1 parent 33c741c
commit 0722327
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Showing 5 changed files with 5 additions and 53 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d11d5794e0c21a1054e6cd57381050a999ad7232
+refs/heads/master: ecd29476ae0143b1c3641edfa76c0fc3e9ad3021
diff --git a/trunk/arch/x86/kernel/early-quirks.c b/trunk/arch/x86/kernel/early-quirks.c
@@ -98,17 +98,6 @@ static void __init nvidia_bugs(int num, int slot, int func)
 
 }
 
-static void __init ati_bugs(int num, int slot, int func)
-{
-#ifdef CONFIG_X86_IO_APIC
-	if (timer_over_8254 == 1) {
-		timer_over_8254 = 0;
-		printk(KERN_INFO
-		"ATI board detected. Disabling timer routing over 8254.\n");
-	}
-#endif
-}
-
 #define QFLAG_APPLY_ONCE 	0x1
 #define QFLAG_APPLIED		0x2
 #define QFLAG_DONE		(QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@@ -126,8 +115,6 @@ static struct chipset early_qrk[] __initdata = {
 	  PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, nvidia_bugs },
 	{ PCI_VENDOR_ID_VIA, PCI_ANY_ID,
 	  PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, via_bugs },
-	{ PCI_VENDOR_ID_ATI, PCI_ANY_ID,
-	  PCI_CLASS_BRIDGE_PCI, PCI_ANY_ID, QFLAG_APPLY_ONCE, ati_bugs },
 	{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB,
 	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, fix_hypertransport_config },
 	{}

diff --git a/trunk/arch/x86/kernel/io_apic_32.c b/trunk/arch/x86/kernel/io_apic_32.c
@@ -58,7 +58,6 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 static DEFINE_SPINLOCK(ioapic_lock);
 static DEFINE_SPINLOCK(vector_lock);
 
-int timer_over_8254 __initdata = 1;
 
 /*
  *	Is the SiS APIC rmw bug present ?
@@ -2157,8 +2156,6 @@ static inline void __init check_timer(void)
 	apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
 	timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
-	if (timer_over_8254 > 0)
-		enable_8259A_irq(0);
 
 	pin1  = find_isa_irq_pin(0, mp_INT);
 	apic1 = find_isa_irq_apic(0, mp_INT);
@@ -2175,7 +2172,6 @@ static inline void __init check_timer(void)
 		unmask_IO_APIC_irq(0);
 		if (timer_irq_works()) {
 			if (nmi_watchdog == NMI_IO_APIC) {
-				disable_8259A_irq(0);
 				setup_nmi();
 				enable_8259A_irq(0);
 			}
@@ -2195,6 +2191,7 @@ static inline void __init check_timer(void)
 		 * legacy devices should be connected to IO APIC #0
 		 */
 		setup_ExtINT_IRQ0_pin(apic2, pin2, vector);
+		enable_8259A_irq(0);
 		if (timer_irq_works()) {
 			printk("works.\n");
 			if (pin1 != -1)
@@ -2209,6 +2206,7 @@ static inline void __init check_timer(void)
 		/*
 		 * Cleanup, just in case ...
 		 */
+		disable_8259A_irq(0);
 		clear_IO_APIC_pin(apic2, pin2);
 	}
 	printk(" failed.\n");
@@ -2221,7 +2219,6 @@ static inline void __init check_timer(void)
 
 	printk(KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
 
-	disable_8259A_irq(0);
 	set_irq_chip_and_handler_name(0, &lapic_chip, handle_fasteoi_irq,
 				      "fasteoi");
 	apic_write_around(APIC_LVT0, APIC_DM_FIXED | vector);	/* Fixed mode */
@@ -2292,20 +2289,6 @@ void __init setup_IO_APIC(void)
 		print_IO_APIC();
 }
 
-static int __init setup_disable_8254_timer(char *s)
-{
-	timer_over_8254 = -1;
-	return 1;
-}
-static int __init setup_enable_8254_timer(char *s)
-{
-	timer_over_8254 = 2;
-	return 1;
-}
-
-__setup("disable_8254_timer", setup_disable_8254_timer);
-__setup("enable_8254_timer", setup_enable_8254_timer);
-
 /*
  *	Called after all the initialization is done. If we didnt find any
  *	APIC bugs then we can allow the modify fast path

diff --git a/trunk/arch/x86/kernel/io_apic_64.c b/trunk/arch/x86/kernel/io_apic_64.c
@@ -90,7 +90,6 @@ static int no_timer_check;
 
 static int disable_timer_pin_1 __initdata;
 
-int timer_over_8254 __initdata = 1;
 
 /* Where if anywhere is the i8259 connect in external int mode */
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
@@ -430,20 +429,6 @@ static int __init disable_timer_pin_setup(char *arg)
 }
 __setup("disable_timer_pin_1", disable_timer_pin_setup);
 
-static int __init setup_disable_8254_timer(char *s)
-{
-	timer_over_8254 = -1;
-	return 1;
-}
-static int __init setup_enable_8254_timer(char *s)
-{
-	timer_over_8254 = 2;
-	return 1;
-}
-
-__setup("disable_8254_timer", setup_disable_8254_timer);
-__setup("enable_8254_timer", setup_enable_8254_timer);
-
 
 /*
  * Find the IRQ entry number of a certain pin.
@@ -1674,8 +1659,6 @@ static inline void __init check_timer(void)
 	 */
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
-	if (timer_over_8254 > 0)
-		enable_8259A_irq(0);
 
 	pin1  = find_isa_irq_pin(0, mp_INT);
 	apic1 = find_isa_irq_apic(0, mp_INT);
@@ -1693,7 +1676,6 @@ static inline void __init check_timer(void)
 		if (!no_timer_check && timer_irq_works()) {
 			nmi_watchdog_default();
 			if (nmi_watchdog == NMI_IO_APIC) {
-				disable_8259A_irq(0);
 				setup_nmi();
 				enable_8259A_irq(0);
 			}
@@ -1715,6 +1697,7 @@ static inline void __init check_timer(void)
 		 * legacy devices should be connected to IO APIC #0
 		 */
 		setup_ExtINT_IRQ0_pin(apic2, pin2, cfg->vector);
+		enable_8259A_irq(0);
 		if (timer_irq_works()) {
 			apic_printk(APIC_VERBOSE," works.\n");
 			nmi_watchdog_default();
@@ -1726,6 +1709,7 @@ static inline void __init check_timer(void)
 		/*
 		 * Cleanup, just in case ...
 		 */
+		disable_8259A_irq(0);
 		clear_IO_APIC_pin(apic2, pin2);
 	}
 	apic_printk(APIC_VERBOSE," failed.\n");
@@ -1737,7 +1721,6 @@ static inline void __init check_timer(void)
 
 	apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
 
-	disable_8259A_irq(0);
 	irq_desc[0].chip = &lapic_irq_type;
 	apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector);	/* Fixed mode */
 	enable_8259A_irq(0);

diff --git a/trunk/include/asm-x86/apic.h b/trunk/include/asm-x86/apic.h
@@ -36,7 +36,6 @@ extern void generic_apic_probe(void);
 #ifdef CONFIG_X86_LOCAL_APIC
 
 extern int apic_verbosity;
-extern int timer_over_8254;
 extern int local_apic_timer_c2_ok;
 extern int local_apic_timer_disabled;