On 05-09-19, 22:07, Radhey Shyam Pandey wrote: > From: Nicholas Graumann <nick.graumann@xxxxxxxxx> > > 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 <nick.graumann@xxxxxxxxx> > Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx> > --- > 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), The condition was bitwise AND and now is OR.. ?? > + 0, XILINX_DMA_LOOP_COUNT); > } > > /** > -- > 2.7.4 -- ~Vinod
