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dmaengine: ti: k3-udma: Add missing dma_sync call for rx flush descriptor 

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@ti.com>
Link: https://lore.kernel.org/r/20200512134544.5839-1-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Peter Ujfalusi 2020-05-12 16:45:44 +03:00 committed by Vinod Koul
parent d9fd428a30
commit 5bbeea34bc
1 changed files with 3 additions and 0 deletions
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3
drivers/dma/ti/k3-udma.c
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@ -3463,6 +3463,9 @@ 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) +