[ACPI] ACPICA 20050930
[linux-2.6.git] / drivers / acpi / pci_irq.c
index 09567c2..726dda1 100644 (file)
@@ -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;
@@ -375,7 +375,7 @@ 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 +402,8 @@ 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;
 
@@ -432,7 +432,7 @@ 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 +440,8 @@ 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 +463,7 @@ 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 +478,8 @@ 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);
 }
@@ -495,8 +495,8 @@ 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");
 
@@ -512,7 +512,7 @@ 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 +520,7 @@ 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;