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Hein Tibosch
d5ea7b5ec1
The dw_dmac driver was originally developed for avr32 to be used with the Synopsys DesignWare AHB DMA controller. Starting from 2.6.38, access to the device's i/o memory was done with the little-endian readl/writel functions(1) This broke the driver for the avr32 platform, because it needs big (native) endian accessors. This patch makes the endianness configurable using 'DW_DMAC_BIG_ENDIAN_IO', which will default be true for AVR32 I submitted this patch before(2) but then waited for Andy to finish other changes to the same module(3). (1) https://patchwork.kernel.org/patch/608211 (2) https://lkml.org/lkml/2012/8/26/148 (3) https://lkml.org/lkml/2012/9/21/173 Signed-off-by: Hein Tibosch <hein_tibosch@yahoo.es> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Ludovic Desroches <ludovic.desroches@atmel.com> Cc: Havard Skinnemoen <havard@skinnemoen.net> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>