platform/x86:intel/pmc: Convert index variables to be unsigned

Convert the index variables type to be unsigned to avoid confusion
and error.

Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-5-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Author: xpardee-create

drivers/platform/x86/intel/pmc/core.c

@@ -1457,7 +1457,8 @@ static int pmc_core_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc)
 
 static int pmc_core_ssram_get_lpm_reqs(struct pmc_dev *pmcdev)
 {
-	int ret, i;
+	unsigned int i;
+	int ret;
 
 	if (!pmcdev->ssram_pcidev)
 		return -ENODEV;
@@ -1484,7 +1485,7 @@ const struct pmc_reg_map *pmc_core_find_regmap(struct pmc_info *list, u16 devid)
 }
 
 int pmc_core_pmc_add(struct pmc_dev *pmcdev, u64 pwrm_base,
-		     const struct pmc_reg_map *reg_map, int pmc_index)
+		     const struct pmc_reg_map *reg_map, unsigned int pmc_index)
 {
 	struct pmc *pmc = pmcdev->pmcs[pmc_index];
 

drivers/platform/x86/intel/pmc/core.h

@@ -515,7 +515,7 @@ int pmc_core_ssram_init(struct pmc_dev *pmcdev, int func);
 int generic_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info);
 const struct pmc_reg_map *pmc_core_find_regmap(struct pmc_info *list, u16 devid);
 int pmc_core_pmc_add(struct pmc_dev *pmcdev, u64 pwrm_base,
-		     const struct pmc_reg_map *reg_map, int pmc_index);
+		     const struct pmc_reg_map *reg_map, unsigned int pmc_index);
 
 extern struct pmc_dev_info spt_pmc_dev;
 extern struct pmc_dev_info cnp_pmc_dev;

drivers/platform/x86/intel/pmc/ssram_telemetry.c

@@ -74,7 +74,7 @@ static inline u64 get_base(void __iomem *addr, u32 offset)
 }
 
 static int
-pmc_core_ssram_get_pmc(struct pmc_dev *pmcdev, int pmc_idx, u32 offset)
+pmc_core_ssram_get_pmc(struct pmc_dev *pmcdev, unsigned int pmc_idx, u32 offset)
 {
 	struct pci_dev *ssram_pcidev = pmcdev->ssram_pcidev;
 	void __iomem __free(pmc_core_iounmap) *tmp_ssram = NULL;