From: Simon Trimmer simont@opensource.cirrus.com
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 --- drivers/firmware/cirrus/cs_dsp.c | 3 +++ 1 file changed, 3 insertions(+)
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);