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-rw-r--r--drivers/platform/x86/intel_pmc_core.c1
-rw-r--r--drivers/platform/x86/intel_pmc_core.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index e8b1b836ca2d..5774882a5300 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -149,6 +149,7 @@ static int pmc_core_probe(struct pci_dev *dev, const struct pci_device_id *id)
dev_dbg(&dev->dev, "PMC Core: failed to read PCI config space.\n");
return err;
}
+ pmcdev->base_addr &= PMC_BASE_ADDR_MASK;
dev_dbg(&dev->dev, "PMC Core: PWRMBASE is %#x\n", pmcdev->base_addr);
pmcdev->regbase = devm_ioremap_nocache(ptr_dev,
diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel_pmc_core.h
index e3f671f4d122..cde31ec02266 100644
--- a/drivers/platform/x86/intel_pmc_core.h
+++ b/drivers/platform/x86/intel_pmc_core.h
@@ -26,8 +26,9 @@
#define SPT_PMC_BASE_ADDR_OFFSET 0x48
#define SPT_PMC_SLP_S0_RES_COUNTER_OFFSET 0x13c
-#define SPT_PMC_MMIO_REG_LEN 0x100
+#define SPT_PMC_MMIO_REG_LEN 0x1000
#define SPT_PMC_SLP_S0_RES_COUNTER_STEP 0x64
+#define PMC_BASE_ADDR_MASK ~(SPT_PMC_MMIO_REG_LEN - 1)
/**
* struct pmc_dev - pmc device structure