https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/mfd/lpc_ich.c
Makefile
-----------------------
KERNELRELEASE ?= $(shell uname -r)
KERNEL_DIR ?= /lib/modules/$(KERNELRELEASE)/build
PWD := $(shell pwd)
obj-m := lpc_ich.o
all:
$(MAKE) -C $(KERNEL_DIR) M=$(PWD) modules
install:
$(MAKE) -C $(KERNEL_DIR) M=$(PWD) modules_install
clean:
$(MAKE) -C $(KERNEL_DIR) M=$(PWD) clean
insmod:
sudo insmod lpc_ich.ko
rmmod:
sudo rmmod lpc_ich.ko
-----------------------
$ make
$ ls
lpc_ich.c lpc_ich.mod lpc_ich.mod.o Makefile Module.symvers
lpc_ich.ko lpc_ich.mod.c lpc_ich.o modules.order
$ sudo make install
https://www.kernel.org/doc/html/v4.18/process/applying-patches.html
https://askubuntu.com/questions/11249/correct-way-to-apply-patches-to-your-kernel
GNU patch command
$ patch --version
GNU patch 2.7.6
Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc.
Copyright (C) 1988 Larry Wall
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Larry Wall and Paul Eggert
https://lore.kernel.org/patchwork/patch/736648/
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https://bugs.launchpad.net/bugs/1892547
Title:
[ 0.172384] ACPI Exception: Could not find/resolve named package
element: OC06 (20170831/dspkginit-381) [ 0.172444] ACPI Exception:
Could not find/resolve named package element: OC07
(20170831/dspkginit-381)
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