Re: [PATCH net-next 2/5] net: vertexcom: mse102x: Add warning about IRQ trigger type

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

Hi Stefan,

kernel test robot noticed the following build warnings:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Stefan-Wahren/dt-bindings-vertexcom-mse102x-Fix-IRQ-type-in-example/20250505-222628
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250505142427.9601-3-wahrenst%40gmx.net
patch subject: [PATCH net-next 2/5] net: vertexcom: mse102x: Add warning about IRQ trigger type
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20250508/202505081612.wbRgFMC7-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505081612.wbRgFMC7-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/202505081612.wbRgFMC7-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/vertexcom/mse102x.c: In function 'mse102x_net_open':
   drivers/net/ethernet/vertexcom/mse102x.c:525:37: error: implicit declaration of function 'irq_get_irq_data'; did you mean 'irq_set_irq_wake'? [-Werror=implicit-function-declaration]
     525 |         struct irq_data *irq_data = irq_get_irq_data(ndev->irq);
         |                                     ^~~~~~~~~~~~~~~~
         |                                     irq_set_irq_wake
>> drivers/net/ethernet/vertexcom/mse102x.c:525:37: warning: initialization of 'struct irq_data *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
   drivers/net/ethernet/vertexcom/mse102x.c:535:17: error: implicit declaration of function 'irqd_get_trigger_type'; did you mean 'led_get_trigger_data'? [-Werror=implicit-function-declaration]
     535 |         switch (irqd_get_trigger_type(irq_data)) {
         |                 ^~~~~~~~~~~~~~~~~~~~~
         |                 led_get_trigger_data
   drivers/net/ethernet/vertexcom/mse102x.c:536:14: error: 'IRQ_TYPE_LEVEL_HIGH' undeclared (first use in this function)
     536 |         case IRQ_TYPE_LEVEL_HIGH:
         |              ^~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/vertexcom/mse102x.c:536:14: note: each undeclared identifier is reported only once for each function it appears in
   drivers/net/ethernet/vertexcom/mse102x.c:537:14: error: 'IRQ_TYPE_LEVEL_LOW' undeclared (first use in this function)
     537 |         case IRQ_TYPE_LEVEL_LOW:
         |              ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +525 drivers/net/ethernet/vertexcom/mse102x.c

   522	
   523	static int mse102x_net_open(struct net_device *ndev)
   524	{
 > 525		struct irq_data *irq_data = irq_get_irq_data(ndev->irq);
   526		struct mse102x_net *mse = netdev_priv(ndev);
   527		struct mse102x_net_spi *mses = to_mse102x_spi(mse);
   528		int ret;
   529	
   530		if (!irq_data) {
   531			netdev_err(ndev, "Invalid IRQ: %d\n", ndev->irq);
   532			return -EINVAL;
   533		}
   534	
   535		switch (irqd_get_trigger_type(irq_data)) {
   536		case IRQ_TYPE_LEVEL_HIGH:
   537		case IRQ_TYPE_LEVEL_LOW:
   538			break;
   539		default:
   540			netdev_warn_once(ndev, "Only IRQ type level recommended, please update your firmware.\n");
   541			break;
   542		}
   543	
   544		ret = request_threaded_irq(ndev->irq, NULL, mse102x_irq, IRQF_ONESHOT,
   545					   ndev->name, mse);
   546		if (ret < 0) {
   547			netdev_err(ndev, "Failed to get irq: %d\n", ret);
   548			return ret;
   549		}
   550	
   551		netif_dbg(mse, ifup, ndev, "opening\n");
   552	
   553		netif_start_queue(ndev);
   554	
   555		netif_carrier_on(ndev);
   556	
   557		/* The SPI interrupt can stuck in case of pending packet(s).
   558		 * So poll for possible packet(s) to re-arm the interrupt.
   559		 */
   560		mutex_lock(&mses->lock);
   561		mse102x_rx_pkt_spi(mse);
   562		mutex_unlock(&mses->lock);
   563	
   564		netif_dbg(mse, ifup, ndev, "network device up\n");
   565	
   566		return 0;
   567	}
   568	

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