[openeuler:OLK-6.6 3541/3541] drivers/crypto/ccp/hygon/vpsp.c:589:6: warning: no previous prototype for function 'vpsp_set_default_vid_permission'

[openeuler:OLK-6.6 3541/3541] drivers/crypto/ccp/hygon/vpsp.c:589:6: warning: no previous prototype for function 'vpsp_set_default_vid_permission'

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   cd9eb9b4365b71652b2c2ac58293bea47c9f9302
commit: e2861aaa47961017ada7f66de11104bbf3b85eb1 [3541/3541] crypto: ccp: move vpsp-related functions to vpsp.c
config: x86_64-randconfig-101-20251212 (https://download.01.org/0day-ci/archive/20251213/202512130435.BO31TiNF-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512130435.BO31TiNF-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512130435.BO31TiNF-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/crypto/ccp/hygon/vpsp.c:589:6: warning: no previous prototype for function 'vpsp_set_default_vid_permission' [-Wmissing-prototypes]
     589 | void vpsp_set_default_vid_permission(uint32_t is_allow)
         |      ^
   drivers/crypto/ccp/hygon/vpsp.c:589:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     589 | void vpsp_set_default_vid_permission(uint32_t is_allow)
         | ^
         | static 
   drivers/crypto/ccp/hygon/vpsp.c:1055:5: warning: no previous prototype for function 'vpsp_do_cmd' [-Wmissing-prototypes]
    1055 | int vpsp_do_cmd(int cmd, phys_addr_t phy_addr, int *psp_ret)
         |     ^
   drivers/crypto/ccp/hygon/vpsp.c:1055:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1055 | int vpsp_do_cmd(int cmd, phys_addr_t phy_addr, int *psp_ret)
         | ^
         | static 
   2 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PTP_1588_CLOCK
   Depends on [n]: NET [=y] && POSIX_TIMERS [=n]
   Selected by [m]:
   - SXE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y]
   - SXE_VF [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y]


vim +/vpsp_set_default_vid_permission +589 drivers/crypto/ccp/hygon/vpsp.c

   582	
   583	/**
   584	 * When 'allow_default_vid' is set to 1,
   585	 * QEMU is allowed to use 'vid 0' by default
   586	 * in the absence of a valid 'vid' setting.
   587	 */
   588	uint32_t allow_default_vid = 1;
 > 589	void vpsp_set_default_vid_permission(uint32_t is_allow)
   590	{
   591		allow_default_vid = is_allow;
   592	}
   593	

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