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xilinx_spi: Switch to iomem functions and support little endian.

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This patch changes the out_(be)(8|16|32) and in_(be)(8|16|32) calls to 32 bits ioread/iowrite.

The read and write function are attached to the internal struct as callbacks, callback
is selected depending on endianess.

This will also build on platforms not supporting the in/out calls for instance x86.

Acked-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: John Linn <John.Linn@xilinx.com>
Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Richard Röjfors
2009-11-13 12:28:49 +01:00
committed by Grant Likely
parent d5af91a1fa
commit 86fc593599
3 changed files with 57 additions and 43 deletions
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drivers/spi/Kconfig
+1 -1
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@@ -244,7 +244,7 @@ config SPI_TXX9
config SPI_XILINX
tristate "Xilinx SPI controller"
depends on EXPERIMENTAL
depends on HAS_IOMEM && EXPERIMENTAL
select SPI_BITBANG
select SPI_XILINX_OF if (XILINX_VIRTEX || MICROBLAZE)
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