diff mbox series

[03/10] firmware: cs_dsp: Support DSPs that don't require firmware download

Message ID 20230217161410.915202-4-rf@opensource.cirrus.com
State Superseded
Headers show
Series ASoC: Initial support for Cirrus Logic CS35L56 | expand

Commit Message

Richard Fitzgerald Feb. 17, 2023, 4:14 p.m. UTC 
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 mbox series

Patch

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);