linux-kernel - [PATCH] VIA IRQ quirk fixup only in XT

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Date:	Fri, 28 Jul 2006 14:01:01 +0100
From:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
To:	linux-kernel@...r.kernel.org
Cc:	Daniel Drake <dsd@...too.org>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...l.org>, Chris Wedgwood <cw@...f.org>,
	greg@...ah.com, jeff@...zik.org, harmon@....edu
Subject: [PATCH] VIA IRQ quirk fixup only in XT_PIC mode Take 2

Hi, this patch (now for 2.6.18-rc2) is more readable.

Thanks,
--
Sérgio M. B. 

Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: "Scott J. Harmon" <harmon@....edu>
Cc: Andrew Morton <akpm@...l.org>
Cc: Chris Wedgwood <cw@...f.org>
Cc: Greg KH <greg@...ah.com>
Signed-off-by: Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
---
 quirks.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

--- linux-2.6.17.i686/drivers/pci/quirks.c.orig	2006-07-28 12:59:04.000000000 +0100
+++ linux-2.6.17.i686/drivers/pci/quirks.c	2006-07-28 13:26:49.000000000 +0100
@@ -648,11 +648,17 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_V
  *
  * Some of the on-chip devices are actually '586 devices' so they are
  * listed here.
+ * 
+ * if flags say that we have working apic(s), we don't need to quirk these
+ * devices
  */
 static void quirk_via_irq(struct pci_dev *dev)
 {
 	u8 irq, new_irq;
 
+	if ((smp_found_config && !skip_ioapic_setup && nr_ioapics) || cpu_has_apic)
+		return;
+
 	new_irq = dev->irq & 0xf;
 	pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
 	if (new_irq != irq) {
@@ -662,13 +668,7 @@ static void quirk_via_irq(struct pci_dev
 		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
 	}
 }
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
 
 /*
  * VIA VT82C598 has its device ID settable and many BIOSes




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