Re: fsldma: t4240qds: drop "SG" CAP for DMA3

2016-11-21 Thread Scott Wood
On Mon, Nov 21, 2016 at 12:52:49PM +0800, yanjiang@windriver.com wrote: > From: Yanjiang Jin > > T4240QDS DMA controller uses the external DMA control signals to start or > restart a paused DMA transfer, acknowledge a DMA transfer in progress and > also indicates

Re: fsldma: t4240qds: drop "SG" CAP for DMA3

2016-11-21 Thread Scott Wood
On Mon, Nov 21, 2016 at 12:52:49PM +0800, yanjiang@windriver.com wrote: > From: Yanjiang Jin > > T4240QDS DMA controller uses the external DMA control signals to start or > restart a paused DMA transfer, acknowledge a DMA transfer in progress and > also indicates a transfer completion. >

[PATCH] fsldma: t4240qds: drop "SG" CAP for DMA3

2016-11-20 Thread yanjiang.jin
From: Yanjiang Jin T4240QDS DMA controller uses the external DMA control signals to start or restart a paused DMA transfer, acknowledge a DMA transfer in progress and also indicates a transfer completion. "scatterlist copy" depends on these signals. But as "T4240

[PATCH] fsldma: t4240qds: drop "SG" CAP for DMA3

2016-11-20 Thread yanjiang.jin
From: Yanjiang Jin T4240QDS DMA controller uses the external DMA control signals to start or restart a paused DMA transfer, acknowledge a DMA transfer in progress and also indicates a transfer completion. "scatterlist copy" depends on these signals. But as "T4240 Reference Manual" shown: "The