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Raspberry Pi Mouse Device Driver
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build_install.bash実行時にwarningが出る #89

Open YusukeKato opened 1 month ago

YusukeKato commented 1 month ago

不具合の概要

./build_install.bash実行時に下記のようにwarningが出る。 動作に支障はないがwarningも出ないほうが望ましい。

実行環境

再現方法

  1. './build_install.bash' を実行する
  2. warningが出る

期待する動作

warningが出ない

ログ・画像

ubuntu@ubuntu:~/RaspberryPiMouse/utils$ ./build_install.bash 
build_install_header_from_apt_raspi4.bash
make -C /usr/src/linux-headers-6.8.0-1010-raspi M=/home/ubuntu/RaspberryPiMouse/src/drivers V=0 clean
make[1]: Entering directory '/usr/src/linux-headers-6.8.0-1010-raspi'
make[1]: Leaving directory '/usr/src/linux-headers-6.8.0-1010-raspi'
make -C /usr/src/linux-headers-6.8.0-1010-raspi M=/home/ubuntu/RaspberryPiMouse/src/drivers V=0 modules
make[1]: Entering directory '/usr/src/linux-headers-6.8.0-1010-raspi'
warning: the compiler differs from the one used to build the kernel
  The kernel was built by: aarch64-linux-gnu-gcc-13 (Ubuntu 13.2.0-23ubuntu4) 13.2.0
  You are using:           gcc-13 (Ubuntu 13.2.0-23ubuntu4) 13.2.0
  CC [M]  /home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.o
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:1140:6: warning: no previous prototype for ‘update_signed_count’ [-Wmissing-prototypes]
 1140 | void update_signed_count(struct rtcnt_device_info *dev_info, int rtcnt_count)
      |      ^~~~~~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:1176:6: warning: no previous prototype for ‘reset_signed_count’ [-Wmissing-prototypes]
 1176 | void reset_signed_count(struct rtcnt_device_info *dev_info, int rtcnt_count)
      |      ^~~~~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c: In function ‘mcp3204_get_value’:
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:1907:14: warning: unused variable ‘str’ [-Wunused-variable]
 1907 |         char str[128];
      |              ^~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c: At top level:
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:2387:5: warning: no previous prototype for ‘dev_init_module’ [-Wmissing-prototypes]
 2387 | int dev_init_module(void)
      |     ^~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:2544:6: warning: no previous prototype for ‘dev_cleanup_module’ [-Wmissing-prototypes]
 2544 | void dev_cleanup_module(void)
      |      ^~~~~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:1954:13: warning: ‘spi_remove_device’ defined but not used [-Wunused-function]
 1954 | static void spi_remove_device(struct spi_master *master, unsigned int cs)
      |             ^~~~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:335:26: warning: ‘mcp3204_driver’ defined but not used [-Wunused-variable]
  335 | static struct spi_driver mcp3204_driver = {
      |                          ^~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:95:12: warning: ‘spi_chip_select’ defined but not used [-Wunused-variable]
   95 | static int spi_chip_select = 0;
      |            ^~~~~~~~~~~~~~~
/home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.c:94:12: warning: ‘spi_bus_num’ defined but not used [-Wunused-variable]
   94 | static int spi_bus_num = 0;
      |            ^~~~~~~~~~~
  MODPOST /home/ubuntu/RaspberryPiMouse/src/drivers/Module.symvers
  CC [M]  /home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.mod.o
  LD [M]  /home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.ko
  BTF [M] /home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.ko
Skipping BTF generation for /home/ubuntu/RaspberryPiMouse/src/drivers/rtmouse.ko due to unavailability of vmlinux
make[1]: Leaving directory '/usr/src/linux-headers-6.8.0-1010-raspi'

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