Fail early if firmware is more recent than kernel and Kconfig is
selected.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index d00373ceca12..bf58d58e7379 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -762,6 +762,15 @@ int snd_sof_ipc_valid(struct snd_sof_dev *sdev)
return -EINVAL;
}
+ if (v->abi_version > SOF_ABI_VERSION) {
+ if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
+ dev_warn(sdev->dev, "warn: FW ABI is more recent than kernel\n");
+ } else {
+ dev_err(sdev->dev, "error: FW ABI is more recent than kernel\n");
+ return -EINVAL;
+ }
+ }
+
if (ready->debug.bits.build) {
dev_info(sdev->dev,
"Firmware debug build %d on %s-%s - options:\n"
--
2.17.1
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