drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:283:17: warning: assignment to 'struct irq_data *' from 'int' makes pointer from integer without a cast

drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:283:17: warning: assignment to 'struct irq_data *' from 'int' makes pointer from integer without a cast

[kernel test robot]

tree:   https://github.com/intel-lab-lkp/linux/commits/Karunika-Choo/drm-panthor-Ignore-EOPNOTSUPP-for-shader-present-nvmem-lookup/20260922-214455
head:   d1fb2a7097a879293d3b0e71e2556f48f2793224
commit: 63cfc63d64c81b04d163214896204034c88aa688 drm/panthor: Add AM_PARTITION_CONTROL support
date:   7 days ago
config: sparc64-randconfig-r2303-20260929 (https://download.01.org/0day-ci/archive/20260929/202609292029.ynftATMU-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260929/202609292029.ynftATMU-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/202609292029.ynftATMU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c: In function 'partition_state_get':
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:22:49: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration]
      22 | #define   AM_PART_STATE_GET(x)                  FIELD_GET(GENMASK(11, 8), x)
         |                                                 ^~~~~~~~~
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:83:16: note: in expansion of macro 'AM_PART_STATE_GET'
      83 |         return AM_PART_STATE_GET(state);
         |                ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c: In function 'yield_now':
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:30:49: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
      30 | #define   AM_PART_SET_COMMAND(x)                FIELD_PREP(GENMASK(7, 0), x)
         |                                                 ^~~~~~~~~~
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:107:19: note: in expansion of macro 'AM_PART_SET_COMMAND'
     107 |                   AM_PART_SET_COMMAND(PART_CMD_YIELD_NOW));
         |                   ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c: In function 'partition_control_init':
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:283:19: error: implicit declaration of function 'irq_get_irq_data'; did you mean 'irq_set_irq_wake'? [-Werror=implicit-function-declaration]
     283 |         irqdata = irq_get_irq_data(irq);
         |                   ^~~~~~~~~~~~~~~~
         |                   irq_set_irq_wake
>> drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:283:17: warning: assignment to 'struct irq_data *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     283 |         irqdata = irq_get_irq_data(irq);
         |                 ^
   drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c:285:29: error: implicit declaration of function 'irqd_get_trigger_type' [-Werror=implicit-function-declaration]
     285 |                 irq_flags = irqd_get_trigger_type(irqdata);
         |                             ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +283 drivers/gpu/drm/panthor/arbitration/panthor_partition_control.c

   237	
   238	static int partition_control_init(struct panthor_arbitration *adev,
   239					   const struct fwnode_handle *child)
   240	{
   241		struct panthor_arbitration_resource res;
   242		struct panthor_partition_control *pc;
   243		struct device *dev = adev->dev;
   244		struct irq_data *irqdata;
   245		void __iomem *iomem;
   246		u32 irq_flags = 0;
   247		char *name;
   248		int irq;
   249		int ret;
   250	
   251		ret = panthor_arbitration_parse_resource(dev, child, &res);
   252		if (ret)
   253			return ret;
   254	
   255		if (res.id >= AM_ARB_MAX_PC_COUNT)
   256			return -ENODEV;
   257	
   258		if (adev->pc[res.id])
   259			return dev_warn_probe(dev, -ENODEV, "partition@%llx: id (%u) already present",
   260					      res.res.start, res.id);
   261	
   262		pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL);
   263		if (!pc)
   264			return -ENOMEM;
   265	
   266		name = devm_kasprintf(dev, GFP_KERNEL, "pc%d", res.id);
   267	
   268		iomem = devm_ioremap_resource(dev, &res.res);
   269		if (IS_ERR(iomem))
   270			return dev_err_probe(dev, PTR_ERR(iomem), "%s: Failed to ioremap", name);
   271	
   272		pc->name = name;
   273		pc->dev = dev;
   274		pc->iomem = iomem;
   275	
   276		spin_lock_init(&pc->lock);
   277		pc->current_aw = -1;
   278	
   279		irq = fwnode_irq_get(child, 0);
   280		if (irq < 0)
   281			return dev_err_probe(dev, irq, "%s: Failed to get IRQ", name);
   282	
 > 283		irqdata = irq_get_irq_data(irq);
   284		if (irqdata)
   285			irq_flags = irqd_get_trigger_type(irqdata);
   286	
   287		ret = devm_request_irq(
   288			dev, irq, partition_irq_raw_handler, irq_flags | IRQF_SHARED,
   289			devm_kasprintf(dev, GFP_KERNEL, "panthor-%s-irq", name), pc);
   290		if (ret)
   291			return ret;
   292	
   293		adev->pc[res.id] = pc;
   294	
   295		partition_irq_resume(pc);
   296	
   297		return 0;
   298	}
   299	

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