From: Nicholas Graumann <[email protected]> When polling for a stopped transfer in AXI DMA mode, in some cases the status of the channel may indicate IDLE instead of HALTED if the channel was reset due to an error.
Signed-off-by: Nicholas Graumann <[email protected]> Signed-off-by: Radhey Shyam Pandey <[email protected]> --- drivers/dma/xilinx/xilinx_dma.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index b5dd62a..0896e07 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1092,8 +1092,9 @@ static int xilinx_dma_stop_transfer(struct xilinx_dma_chan *chan) /* Wait for the hardware to halt */ return xilinx_dma_poll_timeout(chan, XILINX_DMA_REG_DMASR, val, - val & XILINX_DMA_DMASR_HALTED, 0, - XILINX_DMA_LOOP_COUNT); + val | (XILINX_DMA_DMASR_IDLE | + XILINX_DMA_DMASR_HALTED), + 0, XILINX_DMA_LOOP_COUNT); } /** -- 2.7.4
