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firmware_loader: Add debug message with checksum for FW file

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Enable dynamic-debug logging of firmware filenames and SHA256 checksums
to clearly identify the firmware files that are loaded by the system.

Example output:
[   34.944619] firmware_class:_request_firmware: i915 0000:00:02.0: Loaded FW: i915/kbl_dmc_ver1_04.bin, sha256: 2cde41c3e5ad181423bcc3e98ff9c49f743c88f18646af4d0b3c3a9664b831a1
[   48.155884] firmware_class:_request_firmware: snd_soc_avs 0000:00:1f.3: Loaded FW: intel/avs/cnl/dsp_basefw.bin, sha256: 43f6ac1b066e9bd0423d914960fbbdccb391af27d2b1da1085eee3ea8df0f357
[   49.579540] firmware_class:_request_firmware: snd_soc_avs 0000:00:1f.3: Loaded FW: intel/avs/rt274-tplg.bin, sha256: 4b3580da96dc3d2c443ba20c6728d8b665fceb3ed57223c3a57582bbad8e2413
[   49.798196] firmware_class:_request_firmware: snd_soc_avs 0000:00:1f.3: Loaded FW: intel/avs/hda-8086280c-tplg.bin, sha256: 5653172579b2be1b51fd69f5cf46e2bac8d63f2a1327924311c13b2f1fe6e601
[   49.859627] firmware_class:_request_firmware: snd_soc_avs 0000:00:1f.3: Loaded FW: intel/avs/dmic-tplg.bin, sha256: 00fb7fbdb74683333400d7e46925dae60db448b88638efcca0b30215db9df63f

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230317224729.1025879-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amadeusz Sławiński
2023-03-17 23:47:29 +01:00
committed by Greg Kroah-Hartman
parent 67ca1b9346
commit 02fe26f253
2 changed files with 59 additions and 1 deletions
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12
drivers/base/firmware_loader/Kconfig
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@@ -24,6 +24,18 @@ config FW_LOADER
You also want to be sure to enable this built-in if you are going to
enable built-in firmware (CONFIG_EXTRA_FIRMWARE).
config FW_LOADER_DEBUG
bool "Log filenames and checksums for loaded firmware"
depends on DYNAMIC_DEBUG
depends on FW_LOADER
depends on CRYPTO
depends on CRYPTO_SHA256
default FW_LOADER
help
Select this option to use dynamic debug to log firmware filenames and
SHA256 checksums to the kernel log for each firmware file that is
loaded.
if FW_LOADER
config FW_LOADER_PAGED_BUF