一、缺陷信息
特定config情况下使用loongarch64-linux-gcc (GCC) 13.2.0，打开W=1时，rnpgbevf报warnings
内核信息：
OLK-6.6
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
缺陷归属组件：
NET

缺陷归属的版本：
head: 448a7c1b3e0654d6b6801c216e7c265445a83a2f

缺陷简述：
driver/net/ethernet/mucse/rnpgbevf
中代码出现部分报警信息
【环境信息】
硬件信息
不涉及
软件信息
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
head: 448a7c1b3e0654d6b6801c216e7c265445a83a2f
commit: bf177ad1d8f72824180b44563c09f37562f645de [7041/7265] drivers: initial support for rnpgbevf drivers from Mucse Technology

网络信息

• 不涉及

【问题复现步骤】
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240403/202404030843.QBSlcQpx-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build):
git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
git remote add openeuler https://gitee.com/openeuler/kernel.git
git fetch --no-tags openeuler OLK-6.6
git checkout bf177ad1d8f72824180b44563c09f37562f645de
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash
【实际结果】
All warnings (new ones prefixed by >>):
skip........

drivers/net/ethernet/mucse/rnpgbevf/rnpgbevf_main.c:777:6: warning: no previous prototype for 'rnpgbevf_alloc_rx_buffers' [-Wmissing-prototypes]
777 | void rnpgbevf_alloc_rx_buffers(struct rnpgbevf_ring *rx_ring, u16 cleaned_count)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/mucse/rnpgbevf/rnpgbevf_main.c:2263:6: warning: no previous prototype for 'rnpgbevf_write_eitr_rx' [-Wmissing-prototypes]
2263 | void rnpgbevf_write_eitr_rx(struct rnpgbevf_q_vector *q_vector)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/mucse/rnpgbevf/rnpgbevf_main.c:2361:6: warning: no previous prototype for 'rnpgbevf_configure_tx_ring' [-Wmissing-prototypes]
2361 | void rnpgbevf_configure_tx_ring(struct rnpgbevf_adapter *adapter,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/mucse/rnpgbevf/rnpgbevf_main.c:2426:6: warning: no previous prototype for 'rnpgbevf_disable_rx_queue' [-Wmissing-prototypes]
2426 | void rnpgbevf_disable_rx_queue(struct rnpgbevf_adapter *adapter,
|
skip........