arch/powerpc/platforms/52xx/mpc52xx_gpt.c:97: warning: expecting prototype for struct mpc52xx_gpt. Prototype was for struct mpc52xx_gpt_priv instead

arch/powerpc/platforms/52xx/mpc52xx_gpt.c:97: warning: expecting prototype for struct mpc52xx_gpt. Prototype was for struct mpc52xx_gpt_priv instead

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e8a4e1c1bb697b1d9fc48f0e56dc0f50bc024bee
commit: 015d98149b326e0f1f02e44413112ca8b4330543 powerpc/barrier: Avoid collision with clang's __lwsync macro
date:   1 year, 1 month ago
config: powerpc-randconfig-r001-20220707 (https://download.01.org/0day-ci/archive/20220708/202207080223.SK41EJ5h-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 66ae1d60bb278793fd651cece264699d522bab84)
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 powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=015d98149b326e0f1f02e44413112ca8b4330543
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 015d98149b326e0f1f02e44413112ca8b4330543
        # 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=powerpc SHELL=/bin/bash arch/powerpc/platforms/52xx/

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/powerpc/platforms/52xx/mpc52xx_gpt.c:97: warning: expecting prototype for struct mpc52xx_gpt. Prototype was for struct mpc52xx_gpt_priv instead


vim +97 arch/powerpc/platforms/52xx/mpc52xx_gpt.c

5496eab2434f2a2 Grant Likely     2009-02-04  73  
5496eab2434f2a2 Grant Likely     2009-02-04  74  /**
5496eab2434f2a2 Grant Likely     2009-02-04  75   * struct mpc52xx_gpt - Private data structure for MPC52xx GPT driver
5496eab2434f2a2 Grant Likely     2009-02-04  76   * @dev: pointer to device structure
5496eab2434f2a2 Grant Likely     2009-02-04  77   * @regs: virtual address of GPT registers
5496eab2434f2a2 Grant Likely     2009-02-04  78   * @lock: spinlock to coordinate between different functions.
a19e3da5bc5fc6c Anton Vorontsov  2010-06-08  79   * @gc: gpio_chip instance structure; used when GPIO is enabled
bae1d8f19983fbf Grant Likely     2012-02-14  80   * @irqhost: Pointer to irq_domain instance; used when IRQ mode is supported
eda43d16ef3d0bd Albrecht Dreß    2009-11-13  81   * @wdt_mode: only relevant for gpt0: bit 0 (MPC52xx_GPT_CAN_WDT) indicates
eda43d16ef3d0bd Albrecht Dreß    2009-11-13  82   *   if the gpt may be used as wdt, bit 1 (MPC52xx_GPT_IS_WDT) indicates
eda43d16ef3d0bd Albrecht Dreß    2009-11-13  83   *   if the timer is actively used as wdt which blocks gpt functions
5496eab2434f2a2 Grant Likely     2009-02-04  84   */
5496eab2434f2a2 Grant Likely     2009-02-04  85  struct mpc52xx_gpt_priv {
4f59ecfa9b87da0 Grant Likely     2009-11-04  86  	struct list_head list;		/* List of all GPT devices */
5496eab2434f2a2 Grant Likely     2009-02-04  87  	struct device *dev;
5496eab2434f2a2 Grant Likely     2009-02-04  88  	struct mpc52xx_gpt __iomem *regs;
77720c82915a8b7 Julia Cartwright 2017-03-21  89  	raw_spinlock_t lock;
bae1d8f19983fbf Grant Likely     2012-02-14  90  	struct irq_domain *irqhost;
4f59ecfa9b87da0 Grant Likely     2009-11-04  91  	u32 ipb_freq;
eda43d16ef3d0bd Albrecht Dreß    2009-11-13  92  	u8 wdt_mode;
5496eab2434f2a2 Grant Likely     2009-02-04  93  
5496eab2434f2a2 Grant Likely     2009-02-04  94  #if defined(CONFIG_GPIOLIB)
a19e3da5bc5fc6c Anton Vorontsov  2010-06-08  95  	struct gpio_chip gc;
5496eab2434f2a2 Grant Likely     2009-02-04  96  #endif
5496eab2434f2a2 Grant Likely     2009-02-04 @97  };
5496eab2434f2a2 Grant Likely     2009-02-04  98  

:::::: The code at line 97 was first introduced by commit
:::::: 5496eab2434f2a2dfe0d35496fd9605d548b7fbc powerpc/5200: Rework GPT driver to also be an IRQ controller

:::::: TO: Grant Likely <grant.likely@secretlab.ca>
:::::: CC: Grant Likely <grant.likely@secretlab.ca>

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