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authorDan Williams <dan.j.williams@intel.com>2007-07-16 02:40:26 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 12:05:45 -0400
commit1b0fac45878bb88759eec347c273285195649ff7 (patch)
treea9871a47ef98c90bac3f65a7f9309e87420c694c /arch/m32r/Kconfig
parent9e7bf24b1b979db256ddc84d0d4ac6040d706da6 (diff)
dma-mapping: prevent dma dependent code from linking on !HAS_DMA archs
Continuing the work started in 411f0f3edc141a582190d3605cadd1d993abb6df ... 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>
Diffstat (limited to 'arch/m32r/Kconfig')
-rw-r--r--arch/m32r/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index c3bb8a755b00..8ccf3e47bff8 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -31,6 +31,9 @@ config GENERIC_IRQ_PROBE
31config NO_IOPORT 31config NO_IOPORT
32 def_bool y 32 def_bool y
33 33
34config NO_DMA
35 def_bool y
36
34source "init/Kconfig" 37source "init/Kconfig"
35 38
36 39