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Commit f806bea3 authored by Vignesh Raghavendra's avatar Vignesh Raghavendra Committed by Vinod Koul
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dmaengine: ti: k3-udma: Workaround errata i2234

Per [1], UDMA TR15 transactions may hang if ICNT0 is less than 64B
Work around is to set EOL flag is to 1 for ICNT0.

Since, there is no performance penalty / side effects of setting EOL
flag event ICNTO > 64B, just set the flag for all UDMAP TR15
descriptors.

[1] https://www.ti.com/lit/er/sprz455a/sprz455a.pdf


Errata doc for J721E DRA829/TDA4VM Processors Silicon Revision 1.1/1.0
(Rev. A)

Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
[j-choudhary@ti.com: minor cleanups]
Signed-off-by: default avatarJayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20230323120107.27638-1-j-choudhary@ti.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 86de3bbf
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