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[01/19] ASoC: SOF: add Kconfig option for strict ABI checks

Message ID 20190430230934.4321-2-pierre-louis.bossart@linux.intel.com (mailing list archive)
State Accepted
Commit 73affae222ec0ffe44d870e0085e55cdbe85d30d
Headers show
Series ASoC: SOF: improvements for ABI checks and Intel code | expand

Commit Message

Pierre-Louis Bossart April 30, 2019, 11:09 p.m. UTC 
When the kernel is more recent than firmware files, it will always
behave in backwards-compatible ways.

Add optional behavior to check if the kernel is older than the
firmware files, so that the kernel fails early instead of attempting
to use new functionality it does not support.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 sound/soc/sof/Kconfig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
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Patch

diff --git a/sound/soc/sof/Kconfig b/sound/soc/sof/Kconfig
index eaa380092c3b..a1a9ffe605dc 100644
--- a/sound/soc/sof/Kconfig
+++ b/sound/soc/sof/Kconfig
@@ -53,6 +53,21 @@  config SND_SOC_SOF_NOCODEC
 	  Say Y if you need this nocodec fallback option
 	  If unsure select "N".
 
+config SND_SOC_SOF_STRICT_ABI_CHECKS
+	bool "SOF strict ABI checks"
+	help
+	  This option enables strict ABI checks for firmware and topology
+	  files.
+	  When these files are more recent than the kernel, the kernel
+	  will handle the functionality it supports and may report errors
+	  during topology creation or run-time usage if new functionality
+	  is invoked.
+	  This option will stop topology creation and firmware load upfront.
+	  It is intended for SOF CI/releases and not for users or distros.
+	  Say Y if you want strict ABI checks for an SOF release
+	  If you are not involved in SOF releases and CI development
+	  select "N".
+
 config SND_SOC_SOF_DEBUG
 	bool "SOF debugging features"
 	help