patch-2.4.22 linux-2.4.22/arch/i386/kernel/pci-irq.c

• Lines: 37
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/i386/kernel/pci-irq.c
• Orig date: 2003-06-13 07:51:29.000000000 -0700

diff -urN linux-2.4.21/arch/i386/kernel/pci-irq.c linux-2.4.22/arch/i386/kernel/pci-irq.c
@@ -116,7 +116,7 @@
  *  Code for querying and setting of IRQ routes on various interrupt routers.
  */
 
-static void eisa_set_level_irq(unsigned int irq)
+void eisa_set_level_irq(unsigned int irq)
 {
 	unsigned char mask = 1 << (irq & 7);
 	unsigned int port = 0x4d0 + (irq >> 3);
@@ -196,15 +196,16 @@
 /*
  * The VIA pirq rules are nibble-based, like ALI,
  * but without the ugly irq number munging.
+ * However, PIRQD is in the upper instead of lower nibble.
  */
 static int pirq_via_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-	return read_config_nybble(router, 0x55, pirq);
+	return read_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq);
 }
 
 static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-	write_config_nybble(router, 0x55, pirq, irq);
+	write_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq, irq);
 	return 1;
 }
 
@@ -472,6 +473,8 @@
 	{ "PIIX", PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, pirq_piix_get, pirq_piix_set },
 	{ "PIIX", PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0, pirq_piix_get, pirq_piix_set },
 	{ "PIIX", PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0, pirq_piix_get, pirq_piix_set },
+	{ "PIIX", PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, pirq_piix_get, pirq_piix_set },
+	{ "PIIX", PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_0, pirq_piix_get, pirq_piix_set },
 
 	{ "ALI", PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, pirq_ali_get, pirq_ali_set },