Chapter 12. Hardware Interfaces
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## Chapter 12. Hardware Interfaces

Table of Contents

Interrupt Handling
DMA Channels
Resources Management
MTRR Handling
PCI Support Library
PCI Hotplug Support Library
MCA Architecture
  MCA Device Functions
  MCA Bus DMA

## Interrupt Handling

synchronize_irq — wait for pending IRQ handlers (on other CPUs)
disable_irq_nosync — disable an irq without waiting
disable_irq — disable an irq and wait for completion
enable_irq — enable handling of an irq
set_irq_wake — control irq power management wakeup
free_irq — free an interrupt
request_irq — allocate an interrupt line

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