Re: [PATCH 4/5] staging: vt6655: Replace two VNSvInPortD with ioread64_lo_hi

[kernel test robot <lkp@intel.com>]

Hi Philipp,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/intel-lab-lkp/linux/commits/Philipp-Hortmann/staging-vt6655-Replace-macro-VNSvInPortW-D-with-ioread16-32/20220424-154730
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 1efba7ef1d7da5944493728c5375fef5b2130de4
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220424/202204242226.Y6Amb3he-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
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/intel-lab-lkp/linux/commit/6e7e66f536e6d9d9eef8e7786de652b2702e1ee8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Philipp-Hortmann/staging-vt6655-Replace-macro-VNSvInPortW-D-with-ioread16-32/20220424-154730
        git checkout 6e7e66f536e6d9d9eef8e7786de652b2702e1ee8
        # 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=i386 SHELL=/bin/bash drivers/staging/vt6655/

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

All errors (new ones prefixed by >>):

>> drivers/staging/vt6655/card.c:757:16: error: call to undeclared function 'ioread64_lo_hi'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           *pqwCurrTSF = ioread64_lo_hi(iobase + MAC_REG_TSFCNTR);
                         ^
   1 error generated.


vim +/ioread64_lo_hi +757 drivers/staging/vt6655/card.c

   730	
   731	/*
   732	 * Description: Read NIC TSF counter
   733	 *              Get local TSF counter
   734	 *
   735	 * Parameters:
   736	 *  In:
   737	 *      priv         - The adapter to be read
   738	 *  Out:
   739	 *      qwCurrTSF       - Current TSF counter
   740	 *
   741	 * Return Value: true if success; otherwise false
   742	 */
   743	bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF)
   744	{
   745		void __iomem *iobase = priv->port_offset;
   746		unsigned short ww;
   747		unsigned char data;
   748	
   749		MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
   750		for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
   751			data = ioread8(iobase + MAC_REG_TFTCTL);
   752			if (!(data & TFTCTL_TSFCNTRRD))
   753				break;
   754		}
   755		if (ww == W_MAX_TIMEOUT)
   756			return false;
 > 757		*pqwCurrTSF = ioread64_lo_hi(iobase + MAC_REG_TSFCNTR);
   758	
   759		return true;
   760	}
   761	

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