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| author | Simon Trimmer <simont@opensource.cirrus.com> | 2023-03-20 11:22:40 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-21 12:13:19 +0000 |
| commit | 107c167419e75213e078e4f2468c0f2f55fdd11a (patch) | |
| tree | 4fa768a0ae494f06a32a73c9a1bc197128e1e886 | |
| parent | 0cd1fd571719e19bd6824a98855382a70e47d932 (diff) | |
| download | linux-stable-107c167419e75213e078e4f2468c0f2f55fdd11a.tar.gz linux-stable-107c167419e75213e078e4f2468c0f2f55fdd11a.tar.bz2 linux-stable-107c167419e75213e078e4f2468c0f2f55fdd11a.zip | |
firmware: cs_dsp: Support DSPs that don't require firmware download
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>
| -rw-r--r-- | drivers/firmware/cirrus/cs_dsp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c index 97b73a254380..513136a924cf 100644 --- a/drivers/firmware/cirrus/cs_dsp.c +++ b/drivers/firmware/cirrus/cs_dsp.c @@ -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); |