X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Facpi%2Fpci_irq.c;h=65aee79b3971fc02f25b8faa53528ece37b0fd64;hb=9fdb62af92c741addbea15545f214a6e89460865;hp=09567c2edcfb5225a67deb44d71cba7249915735;hpb=aea19aa0780d4b006372fedab8434226e1cc7686;p=~andy%2Flinux diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 09567c2edcf..65aee79b397 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -258,7 +258,7 @@ typedef int (*irq_lookup_func) (struct acpi_prt_entry *, int *, int *, char **); static int acpi_pci_allocate_irq(struct acpi_prt_entry *entry, - int *edge_level, int *active_high_low, char **link) + int *triggering, int *polarity, char **link) { int irq; @@ -266,8 +266,8 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, if (entry->link.handle) { irq = acpi_pci_link_allocate_irq(entry->link.handle, - entry->link.index, edge_level, - active_high_low, link); + entry->link.index, triggering, + polarity, link); if (irq < 0) { ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid IRQ link routing entry\n")); @@ -275,8 +275,8 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, } } else { irq = entry->link.index; - *edge_level = ACPI_LEVEL_SENSITIVE; - *active_high_low = ACPI_ACTIVE_LOW; + *triggering = ACPI_LEVEL_SENSITIVE; + *polarity = ACPI_ACTIVE_LOW; } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq)); @@ -285,7 +285,7 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, static int acpi_pci_free_irq(struct acpi_prt_entry *entry, - int *edge_level, int *active_high_low, char **link) + int *triggering, int *polarity, char **link) { int irq; @@ -307,8 +307,8 @@ static int acpi_pci_irq_lookup(struct pci_bus *bus, int device, int pin, - int *edge_level, - int *active_high_low, char **link, irq_lookup_func func) + int *triggering, + int *polarity, char **link, irq_lookup_func func) { struct acpi_prt_entry *entry = NULL; int segment = pci_domain_nr(bus); @@ -327,7 +327,7 @@ acpi_pci_irq_lookup(struct pci_bus *bus, return_VALUE(-1); } - ret = func(entry, edge_level, active_high_low, link); + ret = func(entry, triggering, polarity, link); return_VALUE(ret); } @@ -339,8 +339,8 @@ acpi_pci_irq_lookup(struct pci_bus *bus, static int acpi_pci_irq_derive(struct pci_dev *dev, int pin, - int *edge_level, - int *active_high_low, char **link, irq_lookup_func func) + int *triggering, + int *polarity, char **link, irq_lookup_func func) { struct pci_dev *bridge = dev; int irq = -1; @@ -361,8 +361,7 @@ acpi_pci_irq_derive(struct pci_dev *dev, if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) { /* PC card has the same IRQ as its cardbridge */ - pci_read_config_byte(bridge, PCI_INTERRUPT_PIN, - &bridge_pin); + bridge_pin = bridge->pin; if (!bridge_pin) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No interrupt pin configured for device %s\n", @@ -375,7 +374,7 @@ acpi_pci_irq_derive(struct pci_dev *dev, } irq = acpi_pci_irq_lookup(bridge->bus, PCI_SLOT(bridge->devfn), - pin, edge_level, active_high_low, + pin, triggering, polarity, link, func); } @@ -402,8 +401,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev) { int irq = 0; u8 pin = 0; - int edge_level = ACPI_LEVEL_SENSITIVE; - int active_high_low = ACPI_ACTIVE_LOW; + int triggering = ACPI_LEVEL_SENSITIVE; + int polarity = ACPI_ACTIVE_LOW; char *link = NULL; int rc; @@ -412,7 +411,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) if (!dev) return_VALUE(-EINVAL); - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + pin = dev->pin; if (!pin) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No interrupt pin configured for device %s\n", @@ -432,7 +431,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) * values override any BIOS-assigned IRQs set during boot. */ irq = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin, - &edge_level, &active_high_low, &link, + &triggering, &polarity, &link, acpi_pci_allocate_irq); /* @@ -440,8 +439,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev) * device's parent bridge. */ if (irq < 0) - irq = acpi_pci_irq_derive(dev, pin, &edge_level, - &active_high_low, &link, + irq = acpi_pci_irq_derive(dev, pin, &triggering, + &polarity, &link, acpi_pci_allocate_irq); /* @@ -463,7 +462,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) } } - rc = acpi_register_gsi(irq, edge_level, active_high_low); + rc = acpi_register_gsi(irq, triggering, polarity); if (rc < 0) { printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed " "to register GSI\n", pci_name(dev), ('A' + pin)); @@ -478,8 +477,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev) printk("Link [%s] -> ", link); printk("GSI %u (%s, %s) -> IRQ %d\n", irq, - (edge_level == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", - (active_high_low == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); + (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", + (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); return_VALUE(0); } @@ -495,15 +494,15 @@ void acpi_pci_irq_disable(struct pci_dev *dev) { int gsi = 0; u8 pin = 0; - int edge_level = ACPI_LEVEL_SENSITIVE; - int active_high_low = ACPI_ACTIVE_LOW; + int triggering = ACPI_LEVEL_SENSITIVE; + int polarity = ACPI_ACTIVE_LOW; ACPI_FUNCTION_TRACE("acpi_pci_irq_disable"); if (!dev || !dev->bus) return_VOID; - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + pin = dev->pin; if (!pin) return_VOID; pin--; @@ -512,7 +511,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev) * First we check the PCI IRQ routing table (PRT) for an IRQ. */ gsi = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin, - &edge_level, &active_high_low, NULL, + &triggering, &polarity, NULL, acpi_pci_free_irq); /* * If no PRT entry was found, we'll try to derive an IRQ from the @@ -520,7 +519,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev) */ if (gsi < 0) gsi = acpi_pci_irq_derive(dev, pin, - &edge_level, &active_high_low, NULL, + &triggering, &polarity, NULL, acpi_pci_free_irq); if (gsi < 0) return_VOID;