From 0e03aca2659ef7a85eaff1a1ca9b0b498002ede8 Mon Sep 17 00:00:00 2001 From: Radhey Shyam Pandey Date: Sat, 29 Sep 2018 11:18:00 -0600 Subject: [PATCH] dmaengine: xilinx_dma: Fix 64-bit simple CDMA transfer 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 Signed-off-by: Michal Simek Reviewed-by: Appana Durga Kedareswara Rao Signed-off-by: Vinod Koul --- drivers/dma/xilinx/xilinx_dma.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 153ca584eba5..02880963092f 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1247,8 +1247,10 @@ 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, + xilinx_prep_dma_addr_t(hw->src_addr)); + xilinx_write(chan, XILINX_CDMA_REG_DSTADDR, + xilinx_prep_dma_addr_t(hw->dest_addr)); /* Start the transfer */ dma_ctrl_write(chan, XILINX_DMA_REG_BTT,