arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead

arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead

[kernel test robot]

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:::::: 
:::::: Manual check reason: "low confidence static check first_new_problem: arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead"
:::::: 

CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Aditya Srivastava <yashsri421@gmail.com>
CC: Jonathan Corbet <corbet@lwn.net>

Hi Aditya,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f2906aa863381afb0015a9eb7fefad885d4e5a56
commit: f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 scripts: kernel-doc: improve parsing for kernel-doc comments syntax
date:   1 year, 2 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 1 year, 2 months ago
config: arm-randconfig-c002-20220604 (https://download.01.org/0day-ci/archive/20220607/202206070454.VCS7NMnB-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7
        # save the config file
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead
   arch/arm/mach-sa1100/jornada720_ssp.c:34: warning: Function parameter or member 'byte' not described in 'jornada_ssp_reverse'
   arch/arm/mach-sa1100/jornada720_ssp.c:57: warning: Function parameter or member 'byte' not described in 'jornada_ssp_byte'
   arch/arm/mach-sa1100/jornada720_ssp.c:85: warning: Function parameter or member 'byte' not described in 'jornada_ssp_inout'


vim +24 arch/arm/mach-sa1100/jornada720_ssp.c

69ebb22277a53f6 Kristoffer Ericson 2007-07-20  23  
69ebb22277a53f6 Kristoffer Ericson 2007-07-20 @24  static DEFINE_SPINLOCK(jornada_ssp_lock);
69ebb22277a53f6 Kristoffer Ericson 2007-07-20  25  static unsigned long jornada_ssp_flags;
69ebb22277a53f6 Kristoffer Ericson 2007-07-20  26  

:::::: The code at line 24 was first introduced by commit
:::::: 69ebb22277a53f612ccd632ceb73ed87c9093412 [ARM] 4506/1: HP Jornada 7XX: Addition of SSP Platform Driver

:::::: TO: Kristoffer Ericson <Kristoffer_e1@hotmail.com>
:::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead

[kernel test robot]

Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cb0856346a60fe3eb837ba5e73588a41f81ac05f
commit: 8faf91c48ca20c714e0dd8cc5f510e3819852912 ARM: sa1100: un-deprecate jornada720
date:   3 months ago
config: arm-jornada720_defconfig (https://download.01.org/0day-ci/archive/20230421/202304210535.tWby3jWF-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8faf91c48ca20c714e0dd8cc5f510e3819852912
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 8faf91c48ca20c714e0dd8cc5f510e3819852912
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304210535.tWby3jWF-lkp@intel.com/

All warnings (new ones prefixed by >>):

   arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: Function parameter or member 'jornada_ssp_lock' not described in 'DEFINE_SPINLOCK'
>> arch/arm/mach-sa1100/jornada720_ssp.c:24: warning: expecting prototype for arch/arm/mac(). Prototype was for DEFINE_SPINLOCK() instead
   arch/arm/mach-sa1100/jornada720_ssp.c:34: warning: Function parameter or member 'byte' not described in 'jornada_ssp_reverse'
   arch/arm/mach-sa1100/jornada720_ssp.c:57: warning: Function parameter or member 'byte' not described in 'jornada_ssp_byte'
   arch/arm/mach-sa1100/jornada720_ssp.c:85: warning: Function parameter or member 'byte' not described in 'jornada_ssp_inout'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SA1100_SSP
   Depends on [n]: ARCH_SA1100 [=y] && UNUSED_BOARD_FILES [=n]
   Selected by [y]:
   - SA1100_JORNADA720_SSP [=y] && ARCH_SA1100 [=y] && SA1100_JORNADA720 [=y]


vim +24 arch/arm/mach-sa1100/jornada720_ssp.c

69ebb22277a53f Kristoffer Ericson 2007-07-20  23  
69ebb22277a53f Kristoffer Ericson 2007-07-20 @24  static DEFINE_SPINLOCK(jornada_ssp_lock);
69ebb22277a53f Kristoffer Ericson 2007-07-20  25  static unsigned long jornada_ssp_flags;
69ebb22277a53f Kristoffer Ericson 2007-07-20  26  

:::::: The code at line 24 was first introduced by commit
:::::: 69ebb22277a53f612ccd632ceb73ed87c9093412 [ARM] 4506/1: HP Jornada 7XX: Addition of SSP Platform Driver

:::::: TO: Kristoffer Ericson <Kristoffer_e1@hotmail.com>
:::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests