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firmware: Add firmware installation to modules_install, add firmware_install

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For 'make modules_install', install any firmware required by
the modules which are being installed.

Also add a 'make firmware_install' target which doesn't depend on the
configuration, but installs _all_ available in-kernel-tree firmware into
$(INSTALL_FW_PATH), which defaults to /lib/firmware. This is intended
for distributors to make arch-independent (and config-independent)
packages containing firmware.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse
2008-05-29 11:01:51 +03:00
committed by David Woodhouse
parent d172e7f5c6
commit 88ecf814c4
3 changed files with 75 additions and 7 deletions
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24
firmware/Makefile
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@@ -9,13 +9,22 @@ fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE))
# If CONFIG_FIRMWARE_IN_KERNEL is not set, then don't include any firmware
ifneq ($(CONFIG_FIRMWARE_IN_KERNEL),y)
fw-shipped-y :=
endif
# There are three cases to care about:
# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should
# include the firmware files to include, according to .config
# 2. 'make modules_install', which will install firmware for modules, and
# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n
# 3. 'make firmware_install', which installs all firmware, unconditionally.
firmware-y := $(fw-external-y) $(fw-shipped-y)
firmware-dirs := $(sort $(patsubst %,$(objtree)/$(obj)/%/,$(dir $(firmware-y) $(fw-shipped-))))
# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be
# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
# But be aware that the config file might not be included at all.
fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
# Directories which we _might_ need to create, so we have a rule for them.
firmware-dirs := $(sort $(patsubst %,$(objtree)/$(obj)/%/,$(dir $(fw-external-y) $(fw-shipped-all))))
quiet_cmd_mkdir = MKDIR $(patsubst $(objtree)/%,%,$@)
cmd_mkdir = mkdir -p $@
@@ -81,7 +90,8 @@ $(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %)
$(firmware-dirs):
$(call cmd,mkdir)
obj-y := $(patsubst %,%.gen.o, $(firmware-y))
obj-y += $(patsubst %,%.gen.o, $(fw-external-y))
obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
# Remove .S files and binaries created from ihex
# (during 'make clean' .config isn't included so they're all in $(fw-shipped-))