Re: [PATCH] PCI: hotplug: Add OCTEON PCI hotplug controller driver

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

Hi Shijith,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master v6.11-rc4 next-20240821]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Shijith-Thotton/PCI-hotplug-Add-OCTEON-PCI-hotplug-controller-driver/20240820-233005
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20240820152734.642533-1-sthotton%40marvell.com
patch subject: [PATCH] PCI: hotplug: Add OCTEON PCI hotplug controller driver
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20240821/202408212127.ed49pQkJ-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240821/202408212127.ed49pQkJ-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/202408212127.ed49pQkJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pci/hotplug/octep_hp.c: In function 'octep_hp_intr_handler':
>> drivers/pci/hotplug/octep_hp.c:190:21: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Wimplicit-function-declaration]
     190 |         slot_mask = readq(hp_ctrl->base + OCTEP_HP_INTR_OFFSET(vec_type));
         |                     ^~~~~
         |                     readl
>> drivers/pci/hotplug/octep_hp.c:210:9: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Wimplicit-function-declaration]
     210 |         writeq(slot_mask, hp_ctrl->base + OCTEP_HP_INTR_OFFSET(vec_type));
         |         ^~~~~~
         |         writel


vim +190 drivers/pci/hotplug/octep_hp.c

   178	
   179	static irqreturn_t octep_hp_intr_handler(int irq, void *data)
   180	{
   181		struct octep_hp_controller *hp_ctrl = data;
   182		struct pci_dev *pdev = hp_ctrl->pdev;
   183		enum octep_hp_vec_type vec_type;
   184		struct octep_hp_cmd *hp_cmd;
   185		u64 slot_mask;
   186	
   187		vec_type = pci_irq_vector(pdev, OCTEP_HP_INTR_VECTOR(OCTEP_HP_VEC_ENA)) == irq ?
   188			OCTEP_HP_VEC_ENA : OCTEP_HP_VEC_DIS;
   189	
 > 190		slot_mask = readq(hp_ctrl->base + OCTEP_HP_INTR_OFFSET(vec_type));
   191		if (!slot_mask) {
   192			dev_err(&pdev->dev, "Invalid slot mask %llx\n", slot_mask);
   193			return IRQ_HANDLED;
   194		}
   195	
   196		hp_cmd = kzalloc(sizeof(*hp_cmd), GFP_ATOMIC);
   197		if (!hp_cmd)
   198			return IRQ_HANDLED;
   199	
   200		hp_cmd->slot_mask = slot_mask;
   201		hp_cmd->vec_type = vec_type;
   202	
   203		/* Add the command to the list and schedule the work */
   204		spin_lock(&hp_ctrl->hp_cmd_lock);
   205		list_add_tail(&hp_cmd->list, &hp_ctrl->hp_cmd_list);
   206		spin_unlock(&hp_ctrl->hp_cmd_lock);
   207		schedule_work(&hp_ctrl->work);
   208	
   209		/* Clear the interrupt */
 > 210		writeq(slot_mask, hp_ctrl->base + OCTEP_HP_INTR_OFFSET(vec_type));
   211	
   212		return IRQ_HANDLED;
   213	}
   214	

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