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The values of ISA_DMA_THRESHOLD and MAX_DMA_ADDRESS are related; one is
the physical/bus address, the other is the virtual address. Both need
to be kept in step, so rather than having platforms define both, allow
them to define a single macro which sets both of these macros
appropraitely.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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CONFIG_ISA_DMA_API set
A lot of ARM-defconfigs (those without CONFIG_ISA_DMA_API set) fail to
build [1][2][3] due to the changes of the patch
[PATCH] PCI: Clean up build for CONFIG_PCI_QUIRKS unset
by Rafael J. Wysocki (Sat, 2 Jan 2010 22:57:24 +0100) [4]
as the referenced variable 'isa_dma_bridge_buggy' in asm/dma.h is
enclosed by the CONFIG_ISA_DMA_API conditional all configs without this
setting fail to build.
I'm not sure wether moving the condition is the right way to solve the
issue, but atleast it fixes the issue :)
References:
[1] http://kisskb.ellerman.id.au/kisskb/buildresult/1983354/
[2] http://kisskb.ellerman.id.au/kisskb/buildresult/1983333/
[3] http://kisskb.ellerman.id.au/kisskb/buildresult/1983337/
[4] http://lkml.org/lkml/2010/1/2/102
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove a pointless integer typedef.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This avoids confusion with platform specific DMA implementations in
mach/dma.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When ISA_DMA_API is unset, we're not implementing the ISA DMA API,
so there's no point in publishing the prototypes via asm/dma.h, nor
including the machine dependent parts of that API.
This allows us to remove a lot of mach/dma.h files which don't contain
any useful code. Unfortunately though, some platforms put their own
private non-ISA definitions into mach/dma.h, so we leave these behind
and fix the appropriate #include statments.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the definition of MAX_DMA_ADDRESS from mach/dma.h to mach/memory.h,
thereby placing it along side its relative, ISA_DMA_THRESHOLD.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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