Re: [PATCH RFC net-next 09/19] net: mvpp2: add FCA RXQ non occupied descriptor threshold

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

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Hi,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/stefanc-marvell-com/net-mvpp2-Add-TX-Flow-Control-support/20210110-233909
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 73b7a6047971aa6ce4a70fc4901964d14f077171
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/20cd81f50a10cac92a32f3708beff186252db792
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review stefanc-marvell-com/net-mvpp2-Add-TX-Flow-Control-support/20210110-233909
        git checkout 20cd81f50a10cac92a32f3708beff186252db792
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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/mvpp2/mvpp2_main.c:2422:6: warning: no previous prototype for 'mvpp2_set_rxq_free_tresh' [-Wmissing-prototypes]
    2422 | void mvpp2_set_rxq_free_tresh(struct mvpp2_port *port,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/mvpp2_set_rxq_free_tresh +2422 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

  2418	
  2419	/* Routine set the number of non-occupied descriptors threshold that change
  2420	 * interrupt error cause polled by FW Flow Control
  2421	 */
> 2422	void mvpp2_set_rxq_free_tresh(struct mvpp2_port *port,
  2423				      struct mvpp2_rx_queue *rxq)
  2424	{
  2425		u32 val;
  2426	
  2427		mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id);
  2428	
  2429		val = mvpp2_read(port->priv, MVPP2_RXQ_THRESH_REG);
  2430		val &= ~MVPP2_RXQ_NON_OCCUPIED_MASK;
  2431		val |= MSS_THRESHOLD_STOP << MVPP2_RXQ_NON_OCCUPIED_OFFSET;
  2432		mvpp2_write(port->priv, MVPP2_RXQ_THRESH_REG, val);
  2433	}
  2434	

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

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