[PATCH v2 1/4] dmaengine: xilinx_vdma: Improve SG engine handling

The current driver allows user to queue up multiple segments on to a single transaction descriptor. User will submit this single desc and in the issue_pending() we decode multiple segments and submit to SG HW engine. We free up the allocated_desc when it is submitted to the HW. Existing code

[PATCH v2 1/4] dmaengine: xilinx_vdma: Improve SG engine handling

The current driver allows user to queue up multiple segments on to a single transaction descriptor. User will submit this single desc and in the issue_pending() we decode multiple segments and submit to SG HW engine. We free up the allocated_desc when it is submitted to the HW. Existing code