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-rw-r--r--arch/x86_64/kernel/early-quirks.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
index 208e38a372c..829698f6d04 100644
--- a/arch/x86_64/kernel/early-quirks.c
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -45,7 +45,13 @@ static void nvidia_bugs(void)
45 /* 45 /*
46 * All timer overrides on Nvidia are 46 * All timer overrides on Nvidia are
47 * wrong unless HPET is enabled. 47 * wrong unless HPET is enabled.
48 * Unfortunately that's not true on many Asus boards.
49 * We don't know yet how to detect this automatically, but
50 * at least allow a command line override.
48 */ 51 */
52 if (acpi_use_timer_override)
53 return;
54
49 nvidia_hpet_detected = 0; 55 nvidia_hpet_detected = 0;
50 acpi_table_parse(ACPI_HPET, nvidia_hpet_check); 56 acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
51 if (nvidia_hpet_detected == 0) { 57 if (nvidia_hpet_detected == 0) {
@@ -53,6 +59,8 @@ static void nvidia_bugs(void)
53 printk(KERN_INFO "Nvidia board " 59 printk(KERN_INFO "Nvidia board "
54 "detected. Ignoring ACPI " 60 "detected. Ignoring ACPI "
55 "timer override.\n"); 61 "timer override.\n");
62 printk(KERN_INFO "If you got timer trouble "
63 "try acpi_use_timer_override\n");
56 } 64 }
57#endif 65#endif
58 /* RED-PEN skip them on mptables too? */ 66 /* RED-PEN skip them on mptables too? */
@@ -61,10 +69,18 @@ static void nvidia_bugs(void)
61 69
62static void ati_bugs(void) 70static void ati_bugs(void)
63{ 71{
64#if 1 /* for testing */ 72}
65 printk("ATI board detected\n"); 73
74static void intel_bugs(void)
75{
76 u16 device = read_pci_config_16(0, 0, 0, PCI_DEVICE_ID);
77
78#ifdef CONFIG_SMP
79 if (device == PCI_DEVICE_ID_INTEL_E7320_MCH ||
80 device == PCI_DEVICE_ID_INTEL_E7520_MCH ||
81 device == PCI_DEVICE_ID_INTEL_E7525_MCH)
82 quirk_intel_irqbalance();
66#endif 83#endif
67 /* No bugs right now */
68} 84}
69 85
70struct chipset { 86struct chipset {
@@ -76,6 +92,7 @@ static struct chipset early_qrk[] = {
76 { PCI_VENDOR_ID_NVIDIA, nvidia_bugs }, 92 { PCI_VENDOR_ID_NVIDIA, nvidia_bugs },
77 { PCI_VENDOR_ID_VIA, via_bugs }, 93 { PCI_VENDOR_ID_VIA, via_bugs },
78 { PCI_VENDOR_ID_ATI, ati_bugs }, 94 { PCI_VENDOR_ID_ATI, ati_bugs },
95 { PCI_VENDOR_ID_INTEL, intel_bugs},
79 {} 96 {}
80}; 97};
81 98