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firmware: cs_dsp: Support DSPs that don't require firmware download

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When a DSP can self-boot from ROM it is not necessary to download
firmware during the powering up sequence.

A DSP that required firmware download would fail in a previous
configuration step if firmware was not available.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230320112245.115720-4-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Simon Trimmer 2023-03-20 11:22:40 +00:00 committed by Mark Brown
parent 0cd1fd5717
commit 107c167419
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GPG key ID: 24D68B725D5487D0
1 changed files with 3 additions and 0 deletions
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3
drivers/firmware/cirrus/cs_dsp.c
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@ -1301,6 +1301,9 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
int regions = 0;
int ret, offset, type;
if (!firmware)
return 0;
ret = -EINVAL;
pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);