The TR mode rx flush descriptor did not had a dma_sync_single_for_device() call to make sure that the DMA see the correct information. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx> --- drivers/dma/ti/k3-udma.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 20b1f94de86c..5afd0fde4706 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -3472,6 +3472,9 @@ static int udma_setup_rx_flush(struct udma_dev *ud) tr_req->icnt0 = rx_flush->buffer_size; tr_req->icnt1 = 1; + dma_sync_single_for_device(dev, hwdesc->cppi5_desc_paddr, + hwdesc->cppi5_desc_size, DMA_TO_DEVICE); + /* Set up descriptor to be used for packet mode */ hwdesc = &rx_flush->hwdescs[1]; hwdesc->cppi5_desc_size = ALIGN(sizeof(struct cppi5_host_desc_t) + -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
