no_timer_check = 1;
#endif
+ machine_ops.shutdown = hv_machine_shutdown;
+ machine_ops.crash_shutdown = hv_machine_crash_shutdown;
+ mark_tsc_unstable("running on Hyper-V");
}
const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
{
struct irq_alloc_info info;
int polarity;
+ int ret;
- 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)
- polarity = 0; /* active high */
- else
- polarity = 1; /* active low */
+ switch (intel_mid_identify_cpu()) {
+ case INTEL_MID_CPU_CHIP_TANGIER:
+ polarity = IOAPIC_POL_HIGH;
+
+ /* Special treatment for IRQ0 */
+ if (dev->irq == 0) {
+ /*
+ * TNG has IRQ0 assigned to eMMC controller. But there
+ * are also other devices with bogus PCI configuration
+ * that have IRQ0 assigned. This check ensures that
+ * eMMC gets it.
+ */
+ if (dev->device != PCI_DEVICE_ID_INTEL_MRFL_MMC)
+ return -EBUSY;
+ }
+ break;
+ default:
+ polarity = IOAPIC_POL_LOW;
+ break;
+ }
+
ioapic_set_alloc_attr(&info, dev_to_node(&dev->dev), 1, polarity);
/*