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Wed, 25 May 2022 06:54:45 +0000 Date: Wed, 25 May 2022 14:54:07 +0800 From: kernel test robot To: Janne Grunau Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Hector Martin Subject: [asahilinux:bits/090-spi-hid 11/11] drivers/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous prototype for function 'spihid_get_data' Message-ID: <202205251434.YLWM26fA-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/AsahiLinux/linux bits/090-spi-hid head: 42af7072aa3351c9a5716b754babb8ded16874ab commit: 42af7072aa3351c9a5716b754babb8ded16874ab [11/11] WIP: HID: transport: spi: add Apple SPI transport config: arm64-buildonly-randconfig-r005-20220524 (https://download.01.org/0day-ci/archive/20220525/202205251434.YLWM26fA-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d52a6e75b0c402c7f3b42a2b1b2873f151220947) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/AsahiLinux/linux/commit/42af7072aa3351c9a5716b754babb8ded16874ab git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux bits/090-spi-hid git checkout 42af7072aa3351c9a5716b754babb8ded16874ab # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hid/spi-hid/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous prototype for function 'spihid_get_data' [-Wmissing-prototypes] struct spihid_apple *spihid_get_data(struct spihid_interface *idev) ^ drivers/hid/spi-hid/spi-hid-apple-core.c:259:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct spihid_apple *spihid_get_data(struct spihid_interface *idev) ^ static drivers/hid/spi-hid/spi-hid-apple-core.c:56:17: warning: variable 'spi_hid_apple_status_ok' is not needed and will not be emitted [-Wunneeded-internal-declaration] static const u8 spi_hid_apple_status_ok[4] = { 0xac, 0x27, 0x68, 0xd5 }; ^ 2 warnings generated. -- >> drivers/hid/spi-hid/spi-hid-apple-of.c:24:5: warning: no previous prototype for function 'spihid_apple_of_power_on' [-Wmissing-prototypes] int spihid_apple_of_power_on(struct spihid_apple_ops *ops) ^ drivers/hid/spi-hid/spi-hid-apple-of.c:24:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int spihid_apple_of_power_on(struct spihid_apple_ops *ops) ^ static >> drivers/hid/spi-hid/spi-hid-apple-of.c:40:5: warning: no previous prototype for function 'spihid_apple_of_power_off' [-Wmissing-prototypes] int spihid_apple_of_power_off(struct spihid_apple_ops *ops) ^ drivers/hid/spi-hid/spi-hid-apple-of.c:40:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int spihid_apple_of_power_off(struct spihid_apple_ops *ops) ^ static >> drivers/hid/spi-hid/spi-hid-apple-of.c:50:5: warning: no previous prototype for function 'spihid_apple_of_enable_irq' [-Wmissing-prototypes] int spihid_apple_of_enable_irq(struct spihid_apple_ops *ops) ^ drivers/hid/spi-hid/spi-hid-apple-of.c:50:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int spihid_apple_of_enable_irq(struct spihid_apple_ops *ops) ^ static >> drivers/hid/spi-hid/spi-hid-apple-of.c:59:5: warning: no previous prototype for function 'spihid_apple_of_disable_irq' [-Wmissing-prototypes] int spihid_apple_of_disable_irq(struct spihid_apple_ops *ops) ^ drivers/hid/spi-hid/spi-hid-apple-of.c:59:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int spihid_apple_of_disable_irq(struct spihid_apple_ops *ops) ^ static 4 warnings generated. vim +/spihid_get_data +259 drivers/hid/spi-hid/spi-hid-apple-core.c 258 > 259 struct spihid_apple *spihid_get_data(struct spihid_interface *idev) 260 { 261 switch (idev->id) { 262 case SPIHID_DEVICE_ID_KBD: 263 return container_of(idev, struct spihid_apple, kbd); 264 case SPIHID_DEVICE_ID_TP: 265 return container_of(idev, struct spihid_apple, tp); 266 default: 267 return NULL; 268 } 269 } 270 -- 0-DAY CI Kernel Test Service https://01.org/lkp