dmaengine: IOATDMA: Cleanup pre v3.0 chansts register reads
authorDave Jiang <dave.jiang@intel.com>
Fri, 6 Nov 2015 20:24:01 +0000 (13:24 -0700)
committerVinod Koul <vinod.koul@intel.com>
Mon, 16 Nov 2015 03:40:46 +0000 (09:10 +0530)
commitd3cd63f91b84c60e0b30ee8a45b8f291dac7bbff
tree18cb39d1871cea7d59f2ee8753dde34660c4106b
parent8005c49d9aea74d382f474ce11afbbc7d7130bec
dmaengine: IOATDMA: Cleanup pre v3.0 chansts register reads

Remove pre-3.0 channel status reads. 3.0 and later chansts register
is 64bit and can be read 64bit. This was clarified with the hardware
architects and since the driver now only support 3.0+ we don't need the
legacy support

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/ioat/dma.h
drivers/dma/ioat/registers.h