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path: root/drivers/base/firmware_loader/Kconfig
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Diffstat (limited to 'drivers/base/firmware_loader/Kconfig')
-rw-r--r--drivers/base/firmware_loader/Kconfig18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/base/firmware_loader/Kconfig b/drivers/base/firmware_loader/Kconfig
index 38f2da6f5c2b..3f9e274e2ed3 100644
--- a/drivers/base/firmware_loader/Kconfig
+++ b/drivers/base/firmware_loader/Kconfig
@@ -26,6 +26,9 @@ config FW_LOADER
if FW_LOADER
+config FW_LOADER_PAGED_BUF
+ bool
+
config EXTRA_FIRMWARE
string "Build named firmware blobs into the kernel binary"
help
@@ -67,6 +70,7 @@ config EXTRA_FIRMWARE_DIR
config FW_LOADER_USER_HELPER
bool "Enable the firmware sysfs fallback mechanism"
+ select FW_LOADER_PAGED_BUF
help
This option enables a sysfs loading facility to enable firmware
loading to the kernel through userspace as a fallback mechanism
@@ -151,5 +155,19 @@ config FW_LOADER_USER_HELPER_FALLBACK
If you are unsure about this, say N here.
+config FW_LOADER_COMPRESS
+ bool "Enable compressed firmware support"
+ select FW_LOADER_PAGED_BUF
+ select XZ_DEC
+ help
+ This option enables the support for loading compressed firmware
+ files. The caller of firmware API receives the decompressed file
+ content. The compressed file is loaded as a fallback, only after
+ loading the raw file failed at first.
+
+ Currently only XZ-compressed files are supported, and they have to
+ be compressed with either none or crc32 integrity check type (pass
+ "-C crc32" option to xz command).
+
endif # FW_LOADER
endmenu