From 107c167419e75213e078e4f2468c0f2f55fdd11a Mon Sep 17 00:00:00 2001 From: Simon Trimmer Date: Mon, 20 Mar 2023 11:22:40 +0000 Subject: [PATCH] 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 Signed-off-by: Richard Fitzgerald Link: https://lore.kernel.org/r/20230320112245.115720-4-rf@opensource.cirrus.com Signed-off-by: Mark Brown --- 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);