diff options
| author | Andrew Morton <akpm@osdl.org> | 2007-05-02 19:27:04 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:04 +0200 |
| commit | fb27145d6ad2548d2d770f33ffa0a268c0afba85 (patch) | |
| tree | f080906b380eaa65887c2756bd3981cdb5719584 /arch | |
| parent | bdd0dc5210b5bb35dbddd5b0bc742e65a812a067 (diff) | |
[PATCH] i386: revert i386-fix-the-verify_quirk_intel_irqbalance
This is unneeded with Ingo's genapic rework.
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/quirks.c | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/arch/i386/kernel/quirks.c b/arch/i386/kernel/quirks.c index 34874c398b4..a01320a7b63 100644 --- a/arch/i386/kernel/quirks.c +++ b/arch/i386/kernel/quirks.c @@ -10,38 +10,13 @@ #if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_SMP) && defined(CONFIG_PCI) static void __devinit verify_quirk_intel_irqbalance(struct pci_dev *dev) { - u8 config, rev; - u32 word; - - /* BIOS may enable hardware IRQ balancing for - * E7520/E7320/E7525(revision ID 0x9 and below) - * based platforms. - * For those platforms, make sure that the genapic is set to 'flat' - */ - pci_read_config_byte(dev, PCI_CLASS_REVISION, &rev); - if (rev > 0x9) - return; - - /* enable access to config space*/ - pci_read_config_byte(dev, 0xf4, &config); - pci_write_config_byte(dev, 0xf4, config|0x2); - - /* read xTPR register */ - raw_pci_ops->read(0, 0, 0x40, 0x4c, 2, &word); - - if (!(word & (1 << 13))) { #ifdef CONFIG_X86_64 - if (genapic != &apic_flat) - panic("APIC mode must be flat on this system\n"); + if (genapic != &apic_flat) + panic("APIC mode must be flat on this system\n"); #elif defined(CONFIG_X86_GENERICARCH) - if (genapic != &apic_default) - panic("APIC mode must be default(flat) on this system. Use apic=default\n"); + if (genapic != &apic_default) + panic("APIC mode must be default(flat) on this system. Use apic=default\n"); #endif - } - - /* put back the original value for config space*/ - if (!(config & 0x2)) - pci_write_config_byte(dev, 0xf4, config); } void __init quirk_intel_irqbalance(void) |