xtensa: s6000 dma engine support
There are four slightly different dma engines on the s6000 family. One for memory-memory transfers, the other three for memory-device. This patch implements a platform-specific kernel-API to control these engines. It is needed for the network, video, audio peripherals on s6000. Signed-off-by: NOskar Schirmer <os@emlix.com> Signed-off-by: NDaniel Glockner <dg@emlix.com> Signed-off-by: NFabian Godehardt <fg@emlix.com> Cc: Daniel Glockner <dg@emlix.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NChris Zankel <chris@zankel.net>
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arch/xtensa/variants/s6000/dmac.c
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