IEEE 1394 (FireWire) subsystem fix: The 1394 drivers cannot and are not supposed

to be built on platforms which don't provide the DMA mapping API.
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Merge tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire fix from Stefan Richter:
 "The 1394 drivers cannot and are not supposed to be built on platforms
  which don't provide the DMA mapping API (regression since v3.16-rc1
  with CONFIG_COMPILE_TEST=y on some architectures)"

* tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: IEEE 1394 (FireWire) support should depend on HAS_DMA

drivers/firewire/Kconfig

@@ -1,4 +1,5 @@
 menu "IEEE 1394 (FireWire) support"
+	depends on HAS_DMA
 	depends on PCI || COMPILE_TEST
 	# firewire-core does not depend on PCI but is
 	# not useful without PCI controller driver