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greybus: Support building greybus on host PC

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Introduce INSTALL_MOD_PATH to allow for building and installing of the
greybus modules from a different location.

This lets you build the greybus modules on a PC and then install the
modules to an SD card in the appropriate location relative to the SD such
as /media/sdcard/lib/modules/version and subsequent running of depmod in
the same location. If INSTALL_MOD_PATH isn't specified the default
behaviour of installing and depmoding to /lib/modules/version is
maintained.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Bryan O'Donoghue 2015-05-07 17:00:50 -07:00 committed by Greg Kroah-Hartman
parent a4749bbeee
commit 68fff9604b
1 changed files with 4 additions and 3 deletions
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7
drivers/staging/greybus/Makefile
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@ -41,6 +41,7 @@ obj-m += gb-es2.o
KERNELVER ?= $(shell uname -r)
KERNELDIR ?= /lib/modules/$(KERNELVER)/build
INSTALL_MOD_PATH ?= /..
PWD := $(shell pwd)
# add -Wall to try to catch everything we can.
@ -63,6 +64,6 @@ coccicheck:
$(MAKE) -C $(KERNELDIR) M=$(PWD) coccicheck
install: module
mkdir -p /lib/modules/$(KERNELVER)/kernel/drivers/greybus/
cp -f *.ko /lib/modules/$(KERNELVER)/kernel/drivers/greybus/
depmod -a $(KERNELVER)
mkdir -p $(INSTALL_MOD_PATH)/lib/modules/$(KERNELVER)/kernel/drivers/greybus/
cp -f *.ko $(INSTALL_MOD_PATH)/lib/modules/$(KERNELVER)/kernel/drivers/greybus/
depmod -b $(INSTALL_MOD_PATH) -a $(KERNELVER)