diff options
| -rw-r--r-- | arch/x86/pci/intel_mid_pci.c | 12 | ||||
| -rw-r--r-- | arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c | 6 |
2 files changed, 13 insertions, 5 deletions
diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 5a18aedcb341..b901ece278dd 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -215,16 +215,23 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) struct irq_alloc_info info; int polarity; int ret; + u8 gsi; if (dev->irq_managed && dev->irq > 0) return 0; + ret = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); + if (ret < 0) { + dev_warn(&dev->dev, "Failed to read interrupt line: %d\n", ret); + return ret; + } + switch (intel_mid_identify_cpu()) { case INTEL_MID_CPU_CHIP_TANGIER: polarity = IOAPIC_POL_HIGH; /* Special treatment for IRQ0 */ - if (dev->irq == 0) { + if (gsi == 0) { /* * Skip HS UART common registers device since it has * IRQ0 assigned and not used by the kernel. @@ -253,10 +260,11 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) * MRST only have IOAPIC, the PCI irq lines are 1:1 mapped to * IOAPIC RTE entries, so we just enable RTE for the device. */ - ret = mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC, &info); + ret = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info); if (ret < 0) return ret; + dev->irq = ret; dev->irq_managed = 1; return 0; diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c index 9e304e2ea4f5..4f5fa65a1011 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c @@ -30,13 +30,13 @@ static int tangier_probe(struct platform_device *pdev) { struct irq_alloc_info info; struct intel_mid_wdt_pdata *pdata = pdev->dev.platform_data; - int gsi, irq; + int gsi = TANGIER_EXT_TIMER0_MSI; + int irq; if (!pdata) return -EINVAL; /* IOAPIC builds identity mapping between GSI and IRQ on MID */ - gsi = pdata->irq; ioapic_set_alloc_attr(&info, cpu_to_node(0), 1, 0); irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info); if (irq < 0) { @@ -44,11 +44,11 @@ static int tangier_probe(struct platform_device *pdev) return irq; } + pdata->irq = irq; return 0; } static struct intel_mid_wdt_pdata tangier_pdata = { - .irq = TANGIER_EXT_TIMER0_MSI, .probe = tangier_probe, }; |