diff mbox series

[v3,3/8] firmware: cs_dsp: Support DSPs that don't require firmware download

Message ID 167931139925.26.9245469276630216205@mailman-core.alsa-project.org (mailing list archive)
State Accepted
Commit 107c167419e75213e078e4f2468c0f2f55fdd11a
Headers show
Series [v3,1/8] firmware: cs_dsp: Introduce no_core_startstop for self-booting DSPs | expand

Commit Message

Richard Fitzgerald March 20, 2023, 11:22 a.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);