Re: [net-next v8 1/6] net: marvell: prestera: Add driver for Prestera family ASIC devices

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

[-- Attachment #1: Type: text/plain, Size: 2137 bytes --]

Hi Vadym,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Vadym-Kochan/net-marvell-prestera-Add-driver-for-Prestera-family-ASIC-devices/20200911-040039
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 4f6a5caf187ff5807cd5b4ea5678982c249bd964
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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/net/ethernet/marvell/prestera/prestera_rxtx.c: In function 'prestera_sdma_tx_wait':
>> drivers/net/ethernet/marvell/prestera/prestera_rxtx.c:695:7: warning: variable 'is_ready' set but not used [-Wunused-but-set-variable]
     695 |  bool is_ready;
         |       ^~~~~~~~

# https://github.com/0day-ci/linux/commit/9d3096bbc016c199c3432de3ec33d11d521b7a5c
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vadym-Kochan/net-marvell-prestera-Add-driver-for-Prestera-family-ASIC-devices/20200911-040039
git checkout 9d3096bbc016c199c3432de3ec33d11d521b7a5c
vim +/is_ready +695 drivers/net/ethernet/marvell/prestera/prestera_rxtx.c

   690	
   691	static int prestera_sdma_tx_wait(struct prestera_sdma *sdma,
   692					 struct prestera_tx_ring *tx_ring)
   693	{
   694		int tx_wait_num = PRESTERA_SDMA_WAIT_MUL * tx_ring->max_burst;
 > 695		bool is_ready;
   696	
   697		return read_poll_timeout_atomic(prestera_sdma_is_ready, is_ready, true,
   698						1, tx_wait_num, false, sdma);
   699	}
   700	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 52764 bytes --]