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firmware_loader: EXTRA_FIRMWARE does not support compressed files

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Document in the firmware loader Kconfig help text that firmware image
file compression is not supported for builtin EXTRA_FIRMWARE files so
that someone does not waste time trying that.

Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220214222311.9758-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Randy Dunlap 2022-02-14 14:23:11 -08:00 committed by Greg Kroah-Hartman
parent 8bcbde2bb1
commit 36744c117a
1 changed files with 5 additions and 0 deletions
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5
drivers/base/firmware_loader/Kconfig
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@ -60,6 +60,8 @@ config EXTRA_FIRMWARE
image since it combines both GPL and non-GPL work. You should
consult a lawyer of your own before distributing such an image.
NOTE: Compressed files are not supported in EXTRA_FIRMWARE.
config EXTRA_FIRMWARE_DIR
string "Firmware blobs root directory"
depends on EXTRA_FIRMWARE != ""
@ -169,6 +171,9 @@ config FW_LOADER_COMPRESS
be compressed with either none or crc32 integrity check type (pass
"-C crc32" option to xz command).
Compressed firmware support does not apply to firmware images
that are built into the kernel image (CONFIG_EXTRA_FIRMWARE).
config FW_CACHE
bool "Enable firmware caching during suspend"
depends on PM_SLEEP