bus: fsl-mc: handle DMA config deferral in ACPI case

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ACPI DMA configure API may return a defer status code, so handle it.
On top of this, move the MC firmware resume after the DMA setup
is completed to avoid crashing due to DMA setup not being done yet or
being deferred.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20210715140718.8513-2-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Laurentiu Tudor 2021-07-15 17:07:12 +03:00 • committed by Greg Kroah-Hartman

parent aa0a1ae020

commit f8cfa9bbab

1 changed files with 13 additions and 11 deletions

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drivers/bus/fsl-mc/fsl-mc-bus.c

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