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linux: add a comment about CONFIG_EXTRA_FIRMWARE requirement

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Explain why the kernel needs firmware packages as build time
dependencies.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Baruch Siach
2022-05-05 06:20:27 +03:00
committed by Arnout Vandecappelle (Essensium/Mind)
parent 9e8e80d1e3
commit 8c4b55053e
1 changed files with 5 additions and 1 deletions
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6
linux/linux.mk
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@@ -70,7 +70,11 @@ LINUX_MAKE_ENV = \
BR_BINARIES_DIR=$(BINARIES_DIR) BR_BINARIES_DIR=$(BINARIES_DIR)
LINUX_INSTALL_IMAGES = YES LINUX_INSTALL_IMAGES = YES
LINUX_DEPENDENCIES = host-kmod \ LINUX_DEPENDENCIES = host-kmod
# The kernel CONFIG_EXTRA_FIRMWARE feature requires firmware files at build
# time. Make sure they are available before the kernel builds.
LINUX_DEPENDENCIES += \
$(if $(BR2_PACKAGE_INTEL_MICROCODE),intel-microcode) \ $(if $(BR2_PACKAGE_INTEL_MICROCODE),intel-microcode) \
$(if $(BR2_PACKAGE_LINUX_FIRMWARE),linux-firmware) \ $(if $(BR2_PACKAGE_LINUX_FIRMWARE),linux-firmware) \
$(if $(BR2_PACKAGE_WIRELESS_REGDB),wireless-regdb) $(if $(BR2_PACKAGE_WIRELESS_REGDB),wireless-regdb)