diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2019-04-30 18:09:17 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-03 14:56:06 +0900 |
| commit | 4acb1c2ea42e19101eae4ac9f002853553b8b721 (patch) | |
| tree | ff34b852e565acc90d2f9fab8ad3145ba73e49ee /sound/soc/sof/ipc.c | |
| parent | 73affae222ec0ffe44d870e0085e55cdbe85d30d (diff) | |
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 <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/ipc.c')
| -rw-r--r-- | sound/soc/sof/ipc.c | 9 |
1 files changed, 9 insertions, 0 deletions
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" |