dmaengine: ti: k3-udma: Report short packet errors

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[ Upstream commit bc9847c9ba ]

Propagate the TR response status to the device using BCDMA
split-channels. For example CSI-RX driver should be able to check if a
frame was not transferred completely (short packet) and needs to be
discarded.

Fixes: 25dcb5dd7b ("dmaengine: ti: New driver for K3 UDMA")
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20240103-tr_resp_err-v1-1-2fdf6d48ab92@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jai Luthra 2024-01-03 14:37:55 +05:30 • committed by Greg Kroah-Hartman

parent 7e81c9e2f9

commit d48e89f29f

1 changed files with 8 additions and 2 deletions

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drivers/dma/ti/k3-udma.c

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