In AXI CDMA simple mode also pass MSB bits of source and destination address to xilinx_write function. This fixes simple CDMA operation mode using 64-bit addressing. Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> --- drivers/dma/xilinx/xilinx_dma.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index a37871e..2e15d86 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1245,8 +1245,10 @@ static void xilinx_cdma_start_transfer(struct xilinx_dma_chan *chan) hw = &segment->hw; - xilinx_write(chan, XILINX_CDMA_REG_SRCADDR, hw->src_addr); - xilinx_write(chan, XILINX_CDMA_REG_DSTADDR, hw->dest_addr); + xilinx_write(chan, XILINX_CDMA_REG_SRCADDR, (dma_addr_t) + ((u64)hw->src_addr_msb << 32 | hw->src_addr)); + xilinx_write(chan, XILINX_CDMA_REG_DSTADDR, (dma_addr_t) + ((u64)hw->dest_addr_msb << 32 | hw->dest_addr)); /* Start the transfer */ dma_ctrl_write(chan, XILINX_DMA_REG_BTT, -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
