From 4acb1c2ea42e19101eae4ac9f002853553b8b721 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Tue, 30 Apr 2019 18:09:17 -0500 Subject: ASOC: SOF: ipc: add support for stricter ABI checks Fail early if firmware is more recent than kernel and Kconfig is selected. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Mark Brown --- sound/soc/sof/ipc.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'sound') 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" -- cgit v1.2.3