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4 Commits
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ad4c4c383f
| Author | SHA1 | Date | |
|---|---|---|---|
| ad4c4c383f | |||
| 1dd7a8d2fb | |||
| 672e90c932 | |||
| f8af42c7a1 |
14
.editorconfig
Normal file
14
.editorconfig
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@ -0,0 +1,14 @@
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# EditorConfig is awesome: https://EditorConfig.org
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# top-most EditorConfig file
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root = true
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[c]
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indent_style = tab
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indent_size = 8
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[*]
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end_of_line = lf
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charset = utf-8
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trim_trailing_whitespace = true
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insert_final_newline = false
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17
.gitignore
vendored
Normal file
17
.gitignore
vendored
Normal file
@ -0,0 +1,17 @@
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*.o
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*.o.d
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*.ko
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*.mod
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*.mod.c
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.*.o.cmd
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.*.ko.cmd
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.*.mod.cmd
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.*.mod.o.cmd
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.modules.order.cmd
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.Module.symvers.cmd
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Module.symvers
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modules.order
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output/
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75
Makefile
Normal file
75
Makefile
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@ -0,0 +1,75 @@
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#*******************************************************************************
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# HangZhou Hikvision Digital Technology Co., Ltd. All Right Reserved.
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# Author :
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# Version : V1.0.0 202x.01.01
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# Description :
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# Note : gaoyang@.com.cn Modified 2020.10.21
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#*******************************************************************************
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#*******************************************************************************
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# Path information
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#*******************************************************************************
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LOCAL_DIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
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KERNEL_DIR ?= $(realpath $(LOCAL_DIR)/../../../linux_5.10)
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# Subdirectory
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OUTPUT_DIR := $(LOCAL_DIR)/output
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INSTALL_DIR ?= $(LOCAL_DIR)/__install
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#$(info Output directoty : $(OUTPUT_DIR))
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#$(info Install directoty: $(INSTALL_DIR))
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#*******************************************************************************
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# Variables
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#*******************************************************************************
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MULTI_CORES ?= $(shell grep -c ^processor /proc/cpuinfo)
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SUB_DIRS := spi/
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#*******************************************************************************
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# Compile configure
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#*******************************************************************************
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ARCH ?= riscv
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CROSS_COMPILE ?= riscv64-unknown-linux-musl-
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CC := $(CROSS_COMPILE)gcc
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LD := $(CROSS_COMPILE)ld
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AR := $(CROSS_COMPILE)ar
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STRIP := $(CROSS_COMPILE)strip
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export ARCH CROSS_COMPILE
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#*******************************************************************************
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# Targets
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#*******************************************************************************
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.PHONY: init all clean distclean install menuconfig
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ifeq ($(KERNELRELEASE),)
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all: init
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@for sub in $(SUB_DIRS); do \
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$(MAKE) -C $$sub; \
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$(MAKE) install INSTALL_DIR=$(OUTPUT_DIR) -C $$sub || exit "$$?"; \
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done;
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clean:
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@for sub in $(SUB_DIRS); do \
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$(MAKE) clean -C $$sub || exit "$$?"; \
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done;
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# Directory
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@if [ -d $(LOCAL_DIR)/output ]; then rm -rf $(LOCAL_DIR)/output; fi;
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@if [ -d $(LOCAL_DIR)/__install ]; then rm -rf $(LOCAL_DIR)/__install; fi;
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install:
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@mkdir -p $(INSTALL_DIR)
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@cp -arf $(OUTPUT_DIR)/. $(INSTALL_DIR)
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init:
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@mkdir -p $(OUTPUT_DIR);
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else
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# called from kernel build system: just declare what our modules are
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obj-y += $(SUB_DIRS)
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#INC_DIRS := $(INCLUDE_DIR)/generated
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#subdir-ccflags-y += $(addprefix -I, $(INC_DIRS))
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endif # ifeq ($(KERNELRELEASE),)
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69
spi/Makefile
Normal file
69
spi/Makefile
Normal file
@ -0,0 +1,69 @@
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#*******************************************************************************
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# HangZhou Hikvision Digital Technology Co., Ltd. All Right Reserved.
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# Author :
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# Version : V1.0.0 202x.01.01
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# Description :
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# Note : gaoyang3513@163.com Modified 2020.10.21
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#*******************************************************************************
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#*******************************************************************************
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# Path information
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#*******************************************************************************
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LOCAL_DIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
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KERNEL_DIR ?= $(realpath $(LOCAL_DIR)/../../../../linux_5.10)
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# Subdirectory
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OUTPUT_DIR := $(LOCAL_DIR)/output
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INSTALL_DIR ?= $(LOCAL_DIR)/__install
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#$(info Output directoty : $(OUTPUT_DIR))
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#$(info Install directoty: $(INSTALL_DIR))
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#*******************************************************************************
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# Variables
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#*******************************************************************************
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MULTI_CORES ?= $(shell grep -c ^processor /proc/cpuinfo)
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# Compile configure
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#*******************************************************************************
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ARCH ?= riscv
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CROSS_COMPILE ?= riscv64-unknown-linux-musl-
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CC := $(CROSS_COMPILE)gcc
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LD := $(CROSS_COMPILE)ld
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AR := $(CROSS_COMPILE)ar
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STRIP := $(CROSS_COMPILE)strip
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export ARCH CROSS_COMPILE
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#*******************************************************************************
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# Targets
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#*******************************************************************************
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.PHONY: init all clean distclean install menuconfig
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ifeq ($(KERNELRELEASE),)
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all: init
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@$(MAKE) modules -C $(KERNEL_DIR) M=$(LOCAL_DIR) -j$(MULTI_CORES)
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@$(MAKE) modules_install -C $(KERNEL_DIR) M=$(LOCAL_DIR) INSTALL_MOD_PATH=$(KERNEL_DIR)/_install_modules INSTALL_MOD_DIR=private
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clean:
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# Directory
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@if [ -d $(LOCAL_DIR)/output ]; then rm -rf $(LOCAL_DIR)/output; fi;
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@if [ -d $(LOCAL_DIR)/__install ]; then rm -rf $(LOCAL_DIR)/__install; fi;
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@if [ -d $(LOCAL_DIR)/.tmp_versions ]; then rm -rf $(LOCAL_DIR)/.tmp_versions; fi;
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# File
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@for f in {Module.symvers,modules.order}; do \
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if [ -e $$f ]; then rm -rf $$f; fi; \
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done
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install:
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@mkdir -p $(INSTALL_DIR)
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@cp -arf $(OUTPUT_DIR)/. $(INSTALL_DIR)
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init:
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@mkdir -p $(OUTPUT_DIR);
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else
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# called from kernel build system: just declare what our modules are
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obj-m += pn5180.o
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endif # ifeq ($(KERNELRELEASE),)
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@ -159,24 +159,9 @@ SPI设备必须管理以下两种类型内存:
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...
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- `master->transfer_one_message(struct spi_master *master, struct spi_message *mesg)`, 发送一个mesg;
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### SPI Protocol Driver
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```c
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static struct spi_driver CHIP_driver = {
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.driver = {
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.name = "CHIP",
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.owner = THIS_MODULE,
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.pm = &CHIP_pm_ops,
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},
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.probe = CHIP_probe,
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.remove = CHIP_remove,
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};
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static int CHIP_probe(struct spi_device *spi)
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{
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struct CHIP *chip;
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@ -196,6 +181,17 @@ SPI设备必须管理以下两种类型内存:
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... etc
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return 0;
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}
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static struct spi_driver CHIP_driver = {
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.driver = {
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.name = "CHIP",
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.owner = THIS_MODULE,
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.pm = &CHIP_pm_ops,
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},
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.probe = CHIP_probe,
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.remove = CHIP_remove,
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};
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```
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spi_setup(),
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## 属性
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60
spi/pn5180.c
Normal file
60
spi/pn5180.c
Normal file
@ -0,0 +1,60 @@
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/spi/spi.h>
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#define IS_USE_STATIC_PLATFORM_DATA 0
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struct CHIP {
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struct spi_device *spi;
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};
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#if IS_USE_STATIC_PLATFORM_DATA
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struct CHIP_platform_data {
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int spi_ch;
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};
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#endif // IS_USE_STATIC_PLATFORM_DATA
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static int CHIP_probe(struct spi_device *spi)
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{
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struct CHIP *chip;
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#if IS_USE_STATIC_PLATFORM_DATA
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struct CHIP_platform_data *pdata;
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/* assuming the driver requires board-specific data: */
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pdata = (struct CHIP_platform_data *)&spi->dev.platform_data;
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if (!pdata)
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return -ENODEV;
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#endif // IS_USE_STATIC_PLATFORM_DATA
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/* get memory for driver's per-chip state */
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chip = kzalloc(sizeof *chip, GFP_KERNEL);
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if (!chip)
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return -ENOMEM;
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spi_set_drvdata(spi, chip);
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return 0;
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}
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int CHIP_remove(struct spi_device *spi)
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{
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struct CHIP *chip = NULL;
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chip = (struct CHIP *)spi_get_drvdata(spi);
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kfree(chip);
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return 0;
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}
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static struct spi_driver CHIP_driver = {
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.driver = {
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.name = "CHIP",
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.owner = THIS_MODULE,
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},
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.probe = CHIP_probe,
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.remove = CHIP_remove,
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};
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module_spi_driver(CHIP_driver);
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Reference in New Issue
Block a user