diff options
| -rw-r--r-- | arch/x86/pci/intel_mid_pci.c | 4 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 10 | ||||
| -rw-r--r-- | drivers/acpi/pci_irq.c | 10 | ||||
| -rw-r--r-- | include/linux/pci.h | 17 |
4 files changed, 27 insertions, 14 deletions
diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index fb7a1f96d80c..22aaefb4f1ca 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -211,7 +211,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) struct irq_alloc_info info; int polarity; - if (dev->irq_managed && dev->irq > 0) + if (pci_has_managed_irq(dev)) return 0; if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) @@ -234,7 +234,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) static void intel_mid_pci_irq_disable(struct pci_dev *dev) { - if (dev->irq_managed && dev->irq > 0) { + if (pci_has_managed_irq(dev)) { mp_unmap_irq(dev->irq); dev->irq_managed = 0; /* diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 72108f0b66b1..32e70343e6fd 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -1202,7 +1202,7 @@ static int pirq_enable_irq(struct pci_dev *dev) struct pci_dev *temp_dev; int irq; - if (dev->irq_managed && dev->irq > 0) + if (pci_has_managed_irq(dev)) return 0; irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, @@ -1230,8 +1230,7 @@ static int pirq_enable_irq(struct pci_dev *dev) } dev = temp_dev; if (irq >= 0) { - dev->irq_managed = 1; - dev->irq = irq; + pci_set_managed_irq(dev, irq); dev_info(&dev->dev, "PCI->APIC IRQ transform: " "INT %c -> IRQ %d\n", 'A' + pin - 1, irq); return 0; @@ -1259,9 +1258,8 @@ static int pirq_enable_irq(struct pci_dev *dev) static void pirq_disable_irq(struct pci_dev *dev) { - if (io_apic_assign_pci_irqs && dev->irq_managed && dev->irq) { + if (io_apic_assign_pci_irqs && pci_has_managed_irq(dev)) { mp_unmap_irq(dev->irq); - dev->irq = 0; - dev->irq_managed = 0; + pci_reset_managed_irq(dev); } } diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index d1aad6900b4c..afa16c557c17 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -412,7 +412,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) return 0; } - if (dev->irq_managed && dev->irq > 0) + if (pci_has_managed_irq(dev)) return 0; entry = acpi_pci_irq_lookup(dev, pin); @@ -457,8 +457,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) kfree(entry); return rc; } - dev->irq = rc; - dev->irq_managed = 1; + pci_set_managed_irq(dev, rc); if (link) snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link); @@ -481,7 +480,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev) u8 pin; pin = dev->pin; - if (!pin || !dev->irq_managed || dev->irq <= 0) + if (!pin || !pci_has_managed_irq(dev)) return; entry = acpi_pci_irq_lookup(dev, pin); @@ -503,7 +502,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev) dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin)); if (gsi >= 0) { acpi_unregister_gsi(gsi); - dev->irq_managed = 0; - dev->irq = 0; + pci_reset_managed_irq(dev); } } diff --git a/include/linux/pci.h b/include/linux/pci.h index b4832c92f23e..b7ab0c424ed6 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -963,6 +963,23 @@ static inline int pci_is_managed(struct pci_dev *pdev) return pdev->is_managed; } +static inline void pci_set_managed_irq(struct pci_dev *pdev, unsigned int irq) +{ + pdev->irq = irq; + pdev->irq_managed = 1; +} + +static inline void pci_reset_managed_irq(struct pci_dev *pdev) +{ + pdev->irq = 0; + pdev->irq_managed = 0; +} + +static inline bool pci_has_managed_irq(struct pci_dev *pdev) +{ + return pdev->irq_managed && pdev->irq > 0; +} + void pci_disable_device(struct pci_dev *dev); extern unsigned int pcibios_max_latency; |