drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:59:6: error: no previous prototype for 'intel_pxp_debugfs_register'

[kernel test robot]

Hi Daniele,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e
commit: 390cf1b28b11190121cb05d4cec1f86787b47668 drm/i915/pxp: add pxp debugfs
date:   6 months ago
config: i386-randconfig-c001-20220411 (https://download.01.org/0day-ci/archive/20220411/202204112116.5k0b9bqR-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=390cf1b28b11190121cb05d4cec1f86787b47668
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 390cf1b28b11190121cb05d4cec1f86787b47668
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:59:6: error: no previous prototype for 'intel_pxp_debugfs_register' [-Werror=missing-prototypes]
      59 | void intel_pxp_debugfs_register(struct intel_pxp *pxp, struct dentry *gt_root)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/intel_pxp_debugfs_register +59 drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c

    57	
    58	DEFINE_SIMPLE_ATTRIBUTE(pxp_terminate_fops, pxp_terminate_get, pxp_terminate_set, "%llx\n");
  > 59	void intel_pxp_debugfs_register(struct intel_pxp *pxp, struct dentry *gt_root)

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