Re: [PATCH] DMA: Freescale: change BWC from 256 bytes to 1024 bytes

2014-01-20 Thread Vinod Koul
On Thu, Jan 16, 2014 at 02:10:53PM +0800, hongbo.zh...@freescale.com wrote: > From: Hongbo Zhang > > Freescale DMA has a feature of BandWidth Control (ab. BWC), which is currently > 256 bytes and should be changed to 1024 bytes for best DMA throughput. > Changing BWC from 256 to 1024 will improve

[PATCH] DMA: Freescale: change BWC from 256 bytes to 1024 bytes

2014-01-15 Thread hongbo.zhang
From: Hongbo Zhang Freescale DMA has a feature of BandWidth Control (ab. BWC), which is currently 256 bytes and should be changed to 1024 bytes for best DMA throughput. Changing BWC from 256 to 1024 will improve DMA performance much, in cases whatever one channel is running or multi channels are