Re: [PATCH v3 4/5] dmaengine: xilinx_dma: autodetect whether the HW supports scatter-gather

2018-06-29 Thread Andrea Merello
On Fri, Jun 29, 2018 at 9:37 AM, Vinod wrote: > On 25-06-18, 11:27, Andrea Merello wrote: >> The AXIDMA and CDMA HW can be either direct-access or scatter-gather >> version. These are SW incompatible. >> >> The driver can handle both version: a DT property was used to >

Re: [PATCH v3 4/5] dmaengine: xilinx_dma: autodetect whether the HW supports scatter-gather

2018-06-29 Thread Vinod
On 25-06-18, 11:27, Andrea Merello wrote: > The AXIDMA and CDMA HW can be either direct-access or scatter-gather > version. These are SW incompatible. > > The driver can handle both version: a DT property was used to versions > tell the driver whether to assum

[PATCH v3 4/5] dmaengine: xilinx_dma: autodetect whether the HW supports scatter-gather

2018-06-25 Thread Andrea Merello
The AXIDMA and CDMA HW can be either direct-access or scatter-gather version. These are SW incompatible. The driver can handle both version: a DT property was used to tell the driver whether to assume the HW is is scatter-gather mode. This patch makes the driver to autodetect this information. Th