[watchdog-next:v6.15-rc1 4/7] drivers/watchdog/lenovo_se30_wdt.c:272:31: error: implicit declaration of function 'devm_ioremap'

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

tree:   git://www.linux-watchdog.org/linux-watchdog-next.git v6.15-rc1
head:   d127d9ce2c8ee87d51fdcfff7895661a3c06fb24
commit: c284153a2c5537db4fec51ac850c17d2eb1ffcfe [4/7] watchdog: lenovo_se30_wdt: Watchdog driver for Lenovo SE30 platform
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20250311/202503110752.bb6mPHFb-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250311/202503110752.bb6mPHFb-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/202503110752.bb6mPHFb-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/watchdog/lenovo_se30_wdt.c: In function 'lenovo_se30_wdt_probe':
>> drivers/watchdog/lenovo_se30_wdt.c:272:31: error: implicit declaration of function 'devm_ioremap' [-Wimplicit-function-declaration]
     272 |         priv->shm_base_addr = devm_ioremap(dev, base_phys, SHM_WIN_SIZE);
         |                               ^~~~~~~~~~~~
>> drivers/watchdog/lenovo_se30_wdt.c:272:29: error: assignment to 'unsigned char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     272 |         priv->shm_base_addr = devm_ioremap(dev, base_phys, SHM_WIN_SIZE);
         |                             ^


vim +/devm_ioremap +272 drivers/watchdog/lenovo_se30_wdt.c

   233	
   234	static int lenovo_se30_wdt_probe(struct platform_device *pdev)
   235	{
   236		struct device *dev = &pdev->dev;
   237		struct lenovo_se30_wdt *priv;
   238		unsigned long base_phys;
   239		unsigned short val;
   240		int err;
   241	
   242		err = superio_enter(UNLOCK_KEY, SIO_REG, LNV_SE30_NAME);
   243		if (err)
   244			return err;
   245	
   246		val = superio_inb(SIO_REG, CHIPID_REG) << 8;
   247		val |= superio_inb(SIO_REG, CHIPID_REG + 1);
   248	
   249		if ((val & CHIPID_MASK) != LNV_SE30_ID) {
   250			superio_exit(LOCK_KEY, SIO_REG);
   251			return -ENODEV;
   252		}
   253	
   254		superio_outb(SIO_REG, LDN_REG, LD_NUM_SHM);
   255		base_phys = (superio_inb(SIO_REG, LD_BASE_ADDR) |
   256				 (superio_inb(SIO_REG, LD_BASE_ADDR + 1) << 8) |
   257				 (superio_inb(SIO_REG, LD_BASE_ADDR + 2) << 16) |
   258				 (superio_inb(SIO_REG, LD_BASE_ADDR + 3) << 24)) &
   259				0xFFFFFFFF;
   260	
   261		superio_exit(LOCK_KEY, SIO_REG);
   262		if (base_phys == 0xFFFFFFFF || base_phys == 0)
   263			return -ENODEV;
   264	
   265		priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
   266		if (!priv)
   267			return -ENOMEM;
   268	
   269		if (!devm_request_mem_region(dev, base_phys, SHM_WIN_SIZE, LNV_SE30_NAME))
   270			return -EBUSY;
   271	
 > 272		priv->shm_base_addr = devm_ioremap(dev, base_phys, SHM_WIN_SIZE);
   273	
   274		priv->wdt_cfg.mod = WDT_MODULE;
   275		priv->wdt_cfg.idx = WDT_CFG_INDEX;
   276		priv->wdt_cnt.mod = WDT_MODULE;
   277		priv->wdt_cnt.idx = WDT_CNT_INDEX;
   278	
   279		priv->wdt.ops = &lenovo_se30_wdt_ops;
   280		priv->wdt.info = &lenovo_se30_wdt_info;
   281		priv->wdt.timeout = WATCHDOG_TIMEOUT; /* Set default timeout */
   282		priv->wdt.min_timeout = MIN_TIMEOUT;
   283		priv->wdt.max_timeout = MAX_TIMEOUT;
   284		priv->wdt.parent = dev;
   285	
   286		watchdog_init_timeout(&priv->wdt, timeout, dev);
   287		watchdog_set_drvdata(&priv->wdt, priv);
   288		watchdog_set_nowayout(&priv->wdt, nowayout);
   289		watchdog_stop_on_reboot(&priv->wdt);
   290		watchdog_stop_on_unregister(&priv->wdt);
   291	
   292		return devm_watchdog_register_device(dev, &priv->wdt);
   293	}
   294	

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