Hi Kate,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20210816]
[cannot apply to linus/master v5.14-rc6 v5.14-rc5 v5.14-rc4 v5.14-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Kate-Hsuan/Intel-platform-driver-code-movement/20210816-185713
base:    b9011c7e671dbbf59bb753283ddfd03f0c9eb865
config: i386-randconfig-r023-20210816 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2c6448cdc2f68f8c28fd0bd9404182b81306e6e6)
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://github.com/0day-ci/linux/commit/30a4d97d4248adef672f46eeb0e32b816b6f531c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kate-Hsuan/Intel-platform-driver-code-movement/20210816-185713
        git checkout 30a4d97d4248adef672f46eeb0e32b816b6f531c
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/intel/

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

All warnings (new ones prefixed by >>):

>> drivers/platform/x86/intel/scu/ipc.c:478: warning: expecting prototype for intel_scu_ipc_command_with_size(). Prototype was for intel_scu_ipc_dev_command_with_size() instead


vim +478 drivers/platform/x86/intel/scu/ipc.c

9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  458  
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  459  /**
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  460   * intel_scu_ipc_command_with_size() - Command with data
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  461   * @scu: Optional SCU IPC instance
8b236565600833 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-01-22  462   * @cmd: Command
8b236565600833 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-01-22  463   * @sub: Sub type
8b236565600833 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-01-22  464   * @in: Input data
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  465   * @inlen: Input length in bytes
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  466   * @size: Input size written to the IPC command register in whatever
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  467   *	  units (dword, byte) the particular firmware requires. Normally
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  468   *	  should be the same as @inlen.
8b236565600833 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-01-22  469   * @out: Output data
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  470   * @outlen: Output length in bytes
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  471   *
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  472   * Issue a command to the SCU which involves data transfers. Do the
8b236565600833 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-01-22  473   * data copies under the lock but leave it for the caller to interpret.
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  474   */
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  475  int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  476  					int sub, const void *in, size_t inlen,
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  477  					size_t size, void *out, size_t outlen)
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26 @478  {
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  479  	size_t outbuflen = DIV_ROUND_UP(outlen, sizeof(u32));
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  480  	size_t inbuflen = DIV_ROUND_UP(inlen, sizeof(u32));
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  481  	u32 cmdval, inbuf[4] = {};
ecb5646cb098d9 drivers/platform/x86/intel_scu_ipc.c Axel Lin                   2011-01-25  482  	int i, err;
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  483  
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  484  	if (inbuflen > 4 || outbuflen > 4)
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  485  		return -EINVAL;
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  486  
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  487  	mutex_lock(&ipclock);
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  488  	if (!scu)
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  489  		scu = ipcdev;
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  490  	if (!scu) {
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  491  		mutex_unlock(&ipclock);
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  492  		return -ENODEV;
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  493  	}
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  494  
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  495  	memcpy(inbuf, in, inlen);
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  496  	for (i = 0; i < inbuflen; i++)
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  497  		ipc_data_writel(scu, inbuf[i], 4 * i);
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  498  
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  499  	cmdval = (size << 16) | (sub << 12) | cmd;
ea608f25fa09b5 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  500  	ipc_command(scu, cmdval);
b0b3f578a1c363 drivers/platform/x86/intel_scu_ipc.c Andy Shevchenko            2015-10-12  501  	err = intel_scu_ipc_check_status(scu);
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  502  
c7094d1d994c23 drivers/platform/x86/intel_scu_ipc.c Kuppuswamy Sathyanarayanan 2013-11-14  503  	if (!err) {
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  504  		u32 outbuf[4] = {};
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  505  
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  506  		for (i = 0; i < outbuflen; i++)
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  507  			outbuf[i] = ipc_data_readl(scu, 4 * i);
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  508  
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  509  		memcpy(out, outbuf, outlen);
c7094d1d994c23 drivers/platform/x86/intel_scu_ipc.c Kuppuswamy Sathyanarayanan 2013-11-14  510  	}
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  511  
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  512  	mutex_unlock(&ipclock);
ea608f25fa09b5 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  513  	if (err)
ea608f25fa09b5 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  514  		dev_err(&scu->dev, "IPC command %#x failed with %d\n", cmdval, err);
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  515  	return err;
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  516  }
f57fa18583f538 drivers/platform/x86/intel_scu_ipc.c Mika Westerberg            2020-04-16  517  EXPORT_SYMBOL(intel_scu_ipc_dev_command_with_size);
9a58a3333923c7 drivers/platform/x86/intel_scu_ipc.c Sreedhara DS               2010-04-26  518  

---
0-DAY CI Kernel Test Service, Intel Corporation
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