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dmaengine: xilinx_dma: Set dma_device directions

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[ Upstream commit 7e01511443c30a55a5ae78d3debd46d4d872517e ]

Coalesce the direction bits from the enabled TX and/or RX channels into
the directions bit mask of dma_device. Without this mask set,
dma_get_slave_caps() in the DMAEngine fails, which prevents the driver
from being used with an IIO DMAEngine buffer.

Signed-off-by: Thomas Gessler <thomas.gessler@brueckmann-gmbh.de>
Reviewed-by: Suraj Gupta <suraj.gupta2@amd.com>
Tested-by: Folker Schwesinger <dev@folker-schwesinger.de>
Link: https://lore.kernel.org/r/20250507182101.909010-1-thomas.gessler@brueckmann-gmbh.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Thomas Gessler 2025-05-07 20:21:01 +02:00 • committed by Greg Kroah-Hartman
commit fce4e6a548
1 changed files with 2 additions and 0 deletions
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2
drivers/dma/xilinx/xilinx_dma.c
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@ -2490,6 +2490,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
return -EINVAL;
}
xdev->common.directions |= chan->direction;
/* Request the interrupt */
chan->irq = irq_of_parse_and_map(node, 0);
err = request_irq(chan->irq, xilinx_dma_irq_handler, IRQF_SHARED,