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Add optional DKMS target to Makefile (v2)

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Using DKMS, the driver will be automatically rebuilt when
the kernel is updated.

* `make dkms` to install via DKMS
* `make dkms_clean` to remove from DKMS

Signed-off-by: Burt P <pburt0@gmail.com>
This commit is contained in:
Burt P
2017-12-03 11:12:08 -06:00
committed by Guenter Roeck
parent 98fa33ddad
commit 5edd7bb6f9
3 changed files with 44 additions and 6 deletions
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42
Makefile
View File

@@ -20,6 +20,19 @@ endif
SYSTEM_MAP := /boot/System.map-$(TARGET) SYSTEM_MAP := /boot/System.map-$(TARGET)
DRIVER := it87 DRIVER := it87
ifneq ("","$(wildcard .git/*)")
DRIVER_VERSION := $(shell git describe --long)
else
ifneq ("", "$(wildcard VERSION)")
DRIVER_VERSION := $(shell cat VERSION)
else
DRIVER_VERSION := unknown
endif
endif
# DKMS
DKMS_ROOT_PATH=/usr/src/$(DRIVER)-$(DRIVER_VERSION)
MODPROBE_OUTPUT=$(shell lsmod | grep it87)
# Directory below /lib/modules/$(TARGET)/kernel into which to install # Directory below /lib/modules/$(TARGET)/kernel into which to install
# the module: # the module:
@@ -38,17 +51,13 @@ ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.xz)")
COMPRESS_XZ := y COMPRESS_XZ := y
endif endif
.PHONY: all install modules modules_install clean .PHONY: all install modules modules_install clean dkms dkms_clean
all: modules all: modules
# Targets for running make directly in the external module directory: # Targets for running make directly in the external module directory:
ifneq ("","$(wildcard .git/*)") IT87_CFLAGS=-DIT87_DRIVER_VERSION='\"$(DRIVER_VERSION)\"'
IT87_CFLAGS=-DIT87_DRIVER_VERSION='\"$(shell git describe --long)\"'
else
IT87_CFLAGS=-DIT87_DRIVER_VERSION='\"<unknown>\"'
endif
modules: modules:
@$(MAKE) EXTRA_CFLAGS="$(IT87_CFLAGS)" -C $(KERNEL_BUILD) M=$(CURDIR) $@ @$(MAKE) EXTRA_CFLAGS="$(IT87_CFLAGS)" -C $(KERNEL_BUILD) M=$(CURDIR) $@
@@ -68,3 +77,24 @@ ifeq ($(COMPRESS_XZ), y)
@xz -f $(MODDESTDIR)/$(DRIVER).ko @xz -f $(MODDESTDIR)/$(DRIVER).ko
endif endif
depmod -a -F $(SYSTEM_MAP) $(TARGET) depmod -a -F $(SYSTEM_MAP) $(TARGET)
dkms:
@sed -i -e '/^PACKAGE_VERSION=/ s/=.*/=\"$(DRIVER_VERSION)\"/' dkms.conf
@echo "$(DRIVER_VERSION)" >VERSION
@mkdir $(DKMS_ROOT_PATH)
@cp `pwd`/dkms.conf $(DKMS_ROOT_PATH)
@cp `pwd`/VERSION $(DKMS_ROOT_PATH)
@cp `pwd`/Makefile $(DKMS_ROOT_PATH)
@cp `pwd`/compat.h $(DKMS_ROOT_PATH)
@cp `pwd`/it87.c $(DKMS_ROOT_PATH)
@dkms add -m $(DRIVER) -v $(DRIVER_VERSION)
@dkms build -m $(DRIVER) -v $(DRIVER_VERSION)
@dkms install --force -m $(DRIVER) -v $(DRIVER_VERSION)
@modprobe $(DRIVER)
dkms_clean:
@if [ ! -z "$(MODPROBE_OUTPUT)" ]; then \
rmmod $(DRIVER);\
fi
@dkms remove -m $(DRIVER) -v $(DRIVER_VERSION) --all
@rm -rf $(DKMS_ROOT_PATH)

7
dkms.conf Normal file
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@@ -0,0 +1,7 @@
MAKE="make"
CLEAN="make clean"
PACKAGE_NAME="it87"
PACKAGE_VERSION="to be filled by make dkms"
BUILT_MODULE_NAME[0]="it87"
DEST_MODULE_LOCATION[0]="/kernel/drivers/hwmon/it87"
AUTOINSTALL="yes"

1
it87.c
View File

@@ -4263,6 +4263,7 @@ module_param(fix_pwm_polarity, bool, 0000);
MODULE_PARM_DESC(fix_pwm_polarity, MODULE_PARM_DESC(fix_pwm_polarity,
"Force PWM polarity to active high (DANGEROUS)"); "Force PWM polarity to active high (DANGEROUS)");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_VERSION(IT87_DRIVER_VERSION);
module_init(sm_it87_init); module_init(sm_it87_init);
module_exit(sm_it87_exit); module_exit(sm_it87_exit);