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Dan Williams 1b0fac4587 dma-mapping: prevent dma dependent code from linking on !HAS_DMA archs 
Continuing the work started in 411f0f3edc ...

This enables code with a dma path, that compiles away, to build without
requiring additional code factoring.  It also prevents code that calls
dma_alloc_coherent and dma_free_coherent from linking whereas previously
the code would hit a BUG() at run time.  Finally, it allows archs that set
!HAS_DMA to delete their asm/dma-mapping.h file.

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <geert@linux-m68k.org>
Cc: <zippel@linux-m68k.org>
Cc: <spyro@f2s.com>
Cc: <ysato@users.sourceforge.jp>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-07-16 09:05:45 -07:00
..
Kconfig dma-mapping: prevent dma dependent code from linking on !HAS_DMA archs 2007-07-16 09:05:45 -07:00
Makefile dmaengine: driver for the iop32x, iop33x, and iop13xx raid engines 2007-07-13 08:06:18 -07:00
dmaengine.c dmaengine: make clients responsible for managing channels 2007-07-13 08:06:13 -07:00
ioatdma.c ioatdma: add the unisys "i/oat" pci vendor/device id 2007-07-13 08:06:19 -07:00
ioatdma.h dmaengine: make clients responsible for managing channels 2007-07-13 08:06:13 -07:00
ioatdma_hw.h
…
ioatdma_registers.h
…
iop-adma.c dmaengine: driver for the iop32x, iop33x, and iop13xx raid engines 2007-07-13 08:06:18 -07:00
iovlock.c [IOAT]: drivers/dma/iovlock.c: make num_pages_spanned() static 2006-07-03 19:27:20 -07:00