[avpatel:riscv_sbi_watchdog_v1 98/98] drivers/watchdog/riscv_sbi_wdt.c:327:30: sparse: sparse: incorrect type in assignment (different modifiers)

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

tree:   https://github.com/avpatel/linux.git riscv_sbi_watchdog_v1
head:   929bf13433e242a3f255f463b2fb44633e102e0d
commit: 929bf13433e242a3f255f463b2fb44633e102e0d [98/98] drivers/watchdog: Add RISC-V SBI watchdog driver
config: riscv-randconfig-r2304-20261108 (https://download.01.org/0day-ci/archive/20261108/202611082116.ghWYccqf-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1-21-g84ec0658
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261108/202611082116.ghWYccqf-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/202611082116.ghWYccqf-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/watchdog/riscv_sbi_wdt.c:327:30: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct imsic_global_config *imsic_global @@     got struct imsic_global_config const * @@
   drivers/watchdog/riscv_sbi_wdt.c:327:30: sparse:     expected struct imsic_global_config *imsic_global
   drivers/watchdog/riscv_sbi_wdt.c:327:30: sparse:     got struct imsic_global_config const *

vim +327 drivers/watchdog/riscv_sbi_wdt.c

   298	
   299	static int sbiwdt_probe(struct platform_device *pdev)
   300	{
   301		struct sbiwdt *wdt;
   302		struct imsic_global_config *imsic_global;
   303		struct irq_domain *msi_domain;
   304		struct device *dev = &pdev->dev;
   305		int rc;
   306	
   307		/* Allocate memory for the global watchdog structure */
   308		wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
   309		if (!wdt)
   310			return -ENOMEM;
   311	
   312		platform_set_drvdata(pdev, wdt);
   313		watchdog_set_drvdata(&wdt->wdd, wdt);
   314	
   315		/* Initialiaze watchdog attributes */
   316		rc = sbiwdt_init_attributes(wdt);
   317		if (rc) {
   318			dev_err(dev, "Failed to read SBI watchdog attributes: %d\n", rc);
   319			return rc;
   320		}
   321	
   322		wdt->wdd.info = &sbiwdt_info;
   323		wdt->wdd.ops = &sbiwdt_ops;
   324	
   325		/* Setup MSI if the capability is available */
   326		if (wdt->attrs.wdt_capability & SBI_WDT_CAP_MSI_SUPPORT_MASK) {
 > 327			imsic_global = imsic_get_global_config();
   328			if (!imsic_global) {
   329				dev_err(dev, "IMSIC firmware node is unavailable\n");
   330				return -ENODEV;
   331			}
   332	
   333			msi_domain = irq_find_matching_fwnode(imsic_global->fwnode,
   334								DOMAIN_BUS_PLATFORM_MSI);
   335	
   336			if (!msi_domain) {
   337				dev_err(dev, "IMSIC platform MSI domain is unavailable\n");
   338				return -ENODEV;
   339			}
   340	
   341			dev_set_msi_domain(&pdev->dev, msi_domain);
   342	
   343			/* MSI setup*/
   344			rc = platform_device_msi_init_and_alloc_irqs(dev, 1, sbiwdt_msi_write);
   345			if (rc) {
   346				dev_err(dev, "Failed to allocate MSIs\n");
   347				return rc;
   348			}
   349	
   350			wdt->virq = msi_get_virq(dev, 0);
   351			if (!wdt->virq) {
   352				dev_err(dev, "Failed to get MSI virtual IRQ: %d\n", wdt->virq);
   353				return wdt->virq;
   354			}
   355	
   356			rc = devm_request_irq(dev, wdt->virq,
   357						sbiwdt_pretimeout_handler,
   358						0, "sbiwdt-pretimeout", wdt);
   359			if (rc) {
   360				dev_err(dev, "Failed to request pretimeout IRQ: %d\n", rc);
   361				return rc;
   362			}
   363		}
   364	
   365		rc = devm_watchdog_register_device(dev, &wdt->wdd);
   366		if (rc) {
   367			dev_err(dev, "Failed to register RISC-V SBI watchdog device\n");
   368			return rc;
   369		}
   370	
   371		dev_info(&pdev->dev, "RISC-V SBI Watchdog registered\n");
   372	
   373		return 0;
   374	}
   375	

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