Re: [PATCH v4] dmaengine: omap-dma: add support for pause of non-cyclic transfers

2016-10-18 Thread Vinod Koul
On Fri, Oct 14, 2016 at 10:30:47AM +0530, Vignesh R wrote: > From: Sebastian Andrzej Siewior > > This DMA driver is used by 8250-omap on DRA7-evm. There is one > requirement that is to pause a transfer. This is currently used on the RX > side. It is possible that the UART

Re: [PATCH v4] dmaengine: omap-dma: add support for pause of non-cyclic transfers

2016-10-18 Thread Vinod Koul
On Fri, Oct 14, 2016 at 10:30:47AM +0530, Vignesh R wrote: > From: Sebastian Andrzej Siewior > > This DMA driver is used by 8250-omap on DRA7-evm. There is one > requirement that is to pause a transfer. This is currently used on the RX > side. It is possible that the UART HW aborted the RX

[PATCH v4] dmaengine: omap-dma: add support for pause of non-cyclic transfers

2016-10-13 Thread Vignesh R
From: Sebastian Andrzej Siewior This DMA driver is used by 8250-omap on DRA7-evm. There is one requirement that is to pause a transfer. This is currently used on the RX side. It is possible that the UART HW aborted the RX (UART's RX-timeout) but the DMA controller starts

[PATCH v4] dmaengine: omap-dma: add support for pause of non-cyclic transfers

2016-10-13 Thread Vignesh R
From: Sebastian Andrzej Siewior This DMA driver is used by 8250-omap on DRA7-evm. There is one requirement that is to pause a transfer. This is currently used on the RX side. It is possible that the UART HW aborted the RX (UART's RX-timeout) but the DMA controller starts the transfer shortly