diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /arch/x86/pci | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/i386.c | 6 | ||||
| -rw-r--r-- | arch/x86/pci/intel_mid_pci.c | 6 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 13 |
3 files changed, 13 insertions, 12 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 349c0d32c..0a9f2caf3 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -429,12 +429,12 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, * Caller can followup with UC MINUS request and add a WC mtrr if there * is a free mtrr slot. */ - if (!pat_enabled && write_combine) + if (!pat_enabled() && write_combine) return -EINVAL; - if (pat_enabled && write_combine) + if (pat_enabled() && write_combine) prot |= cachemode2protval(_PAGE_CACHE_MODE_WC); - else if (pat_enabled || boot_cpu_data.x86 > 3) + else if (pat_enabled() || boot_cpu_data.x86 > 3) /* * ioremap() and ioremap_nocache() defaults to UC MINUS for now. * To avoid attribute conflicts, request UC MINUS here diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 852aa4c92..27062303c 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -208,6 +208,7 @@ static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, 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) @@ -217,14 +218,13 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) polarity = 0; /* active high */ else polarity = 1; /* active low */ + ioapic_set_alloc_attr(&info, dev_to_node(&dev->dev), 1, polarity); /* * MRST only have IOAPIC, the PCI irq lines are 1:1 mapped to * IOAPIC RTE entries, so we just enable RTE for the device. */ - if (mp_set_gsi_attr(dev->irq, 1, polarity, dev_to_node(&dev->dev))) - return -EBUSY; - if (mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC) < 0) + if (mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC, &info) < 0) return -EBUSY; dev->irq_managed = 1; diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 5dc6ca5e1..9bd115484 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -146,19 +146,20 @@ static void __init pirq_peer_trick(void) /* * Code for querying and setting of IRQ routes on various interrupt routers. + * PIC Edge/Level Control Registers (ELCR) 0x4d0 & 0x4d1. */ -void eisa_set_level_irq(unsigned int irq) +void elcr_set_level_irq(unsigned int irq) { unsigned char mask = 1 << (irq & 7); unsigned int port = 0x4d0 + (irq >> 3); unsigned char val; - static u16 eisa_irq_mask; + static u16 elcr_irq_mask; - if (irq >= 16 || (1 << irq) & eisa_irq_mask) + if (irq >= 16 || (1 << irq) & elcr_irq_mask) return; - eisa_irq_mask |= (1 << irq); + elcr_irq_mask |= (1 << irq); printk(KERN_DEBUG "PCI: setting IRQ %u as level-triggered\n", irq); val = inb(port); if (!(val & mask)) { @@ -965,11 +966,11 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \ ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) { msg = "found"; - eisa_set_level_irq(irq); + elcr_set_level_irq(irq); } else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) { if (r->set(pirq_router_dev, dev, pirq, newirq)) { - eisa_set_level_irq(newirq); + elcr_set_level_irq(newirq); msg = "assigned"; irq = newirq; } |