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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-05-12 15:45:44 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-05-15 07:52:41 +0200 |
| commit | 5bbeea34bc7ab579516486fc387da8bde94b09a4 (patch) | |
| tree | 8a4b1e36f04133bab1e664cf5fce551f350e75df /drivers/dma/ti/k3-udma.c | |
| parent | dmaengine: at_xdmac: Replace zero-length array with flexible-array (diff) | |
| download | linux-5bbeea34bc7ab579516486fc387da8bde94b09a4.tar.xz linux-5bbeea34bc7ab579516486fc387da8bde94b09a4.zip | |
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>
Diffstat (limited to 'drivers/dma/ti/k3-udma.c')
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 80d64f71a7cb..58af578d8dc1 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -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) + |