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rapidio/tsi721: add DMA engine support
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Adds support for DMA Engine API into Tsi721 mport driver.

Includes following changes for Tsi721 driver:
- Modifies BDMA register offset definitions to support per-channel handling
- Separates BDMA channel reserved for RIO Maintenance requests
- Adds DMA Engine callback routines

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Alexandre Bounine authored and Linus Torvalds committed Jun 1, 2012
1 parent e42d98e commit 9eaa3d9
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Showing 4 changed files with 1,050 additions and 92 deletions.
3 changes: 3 additions & 0 deletions drivers/rapidio/devices/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,6 @@
#

obj-$(CONFIG_RAPIDIO_TSI721) += tsi721.o
ifeq ($(CONFIG_RAPIDIO_DMA_ENGINE),y)
obj-$(CONFIG_RAPIDIO_TSI721) += tsi721_dma.o
endif
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