1 files changed, 28 insertions, 8 deletions

diff --git a/drivers/platform/x86/intel/pmc/spt.c b/drivers/platform/x86/intel/pmc/spt.c
index e16982236778..b50534aa2cba 100644
--- a/drivers/platform/x86/intel/pmc/spt.c
+++ b/drivers/platform/x86/intel/pmc/spt.c
@@ -8,9 +8,11 @@
  *
  */
 
+#include <linux/pci.h>
+
 #include "core.h"
 
-const struct pmc_bit_map spt_pll_map[] = {
+static const struct pmc_bit_map spt_pll_map[] = {
 	{"MIPI PLL",			SPT_PMC_BIT_MPHY_CMN_LANE0},
 	{"GEN2 USB2PCIE2 PLL",		SPT_PMC_BIT_MPHY_CMN_LANE1},
 	{"DMIPCIE3 PLL",		SPT_PMC_BIT_MPHY_CMN_LANE2},
@@ -18,7 +20,7 @@ const struct pmc_bit_map spt_pll_map[] = {
 	{}
 };
 
-const struct pmc_bit_map spt_mphy_map[] = {
+static const struct pmc_bit_map spt_mphy_map[] = {
 	{"MPHY CORE LANE 0",           SPT_PMC_BIT_MPHY_LANE0},
 	{"MPHY CORE LANE 1",           SPT_PMC_BIT_MPHY_LANE1},
 	{"MPHY CORE LANE 2",           SPT_PMC_BIT_MPHY_LANE2},
@@ -38,7 +40,7 @@ const struct pmc_bit_map spt_mphy_map[] = {
 	{}
 };
 
-const struct pmc_bit_map spt_pfear_map[] = {
+static const struct pmc_bit_map spt_pfear_map[] = {
 	{"PMC",				SPT_PMC_BIT_PMC},
 	{"OPI-DMI",			SPT_PMC_BIT_OPI},
 	{"SPI / eSPI",			SPT_PMC_BIT_SPI},
@@ -82,7 +84,7 @@ const struct pmc_bit_map spt_pfear_map[] = {
 	{}
 };
 
-const struct pmc_bit_map *ext_spt_pfear_map[] = {
+static const struct pmc_bit_map *ext_spt_pfear_map[] = {
 	/*
 	 * Check intel_pmc_core_ids[] users of spt_reg_map for
 	 * a list of core SoCs using this.
@@ -91,7 +93,7 @@ const struct pmc_bit_map *ext_spt_pfear_map[] = {
 	NULL
 };
 
-const struct pmc_bit_map spt_ltr_show_map[] = {
+static const struct pmc_bit_map spt_ltr_show_map[] = {
 	{"SOUTHPORT_A",		SPT_PMC_LTR_SPA},
 	{"SOUTHPORT_B",		SPT_PMC_LTR_SPB},
 	{"SATA",		SPT_PMC_LTR_SATA},
@@ -116,7 +118,7 @@ const struct pmc_bit_map spt_ltr_show_map[] = {
 	{}
 };
 
-const struct pmc_reg_map spt_reg_map = {
+static const struct pmc_reg_map spt_reg_map = {
 	.pfear_sts = ext_spt_pfear_map,
 	.mphy_sts = spt_mphy_map,
 	.pll_sts = spt_pll_map,
@@ -134,7 +136,25 @@ const struct pmc_reg_map spt_reg_map = {
 	.pm_vric1_offset = SPT_PMC_VRIC1_OFFSET,
 };
 
-void spt_core_init(struct pmc_dev *pmcdev)
+static const struct pci_device_id spt_pmc_pci_id[] = {
+	{ PCI_VDEVICE(INTEL, SPT_PMC_PCI_DEVICE_ID) },
+	{ }
+};
+
+static int spt_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info)
 {
-	pmcdev->map = &spt_reg_map;
+	/*
+	 * Coffee Lake has CPU ID of Kaby Lake and Cannon Lake PCH. So here
+	 * Sunrisepoint PCH regmap can't be used. Use Cannon Lake PCH regmap
+	 * in this case.
+	 */
+	if (!pci_dev_present(spt_pmc_pci_id))
+		return generic_core_init(pmcdev, &cnp_pmc_dev);
+
+	return generic_core_init(pmcdev, pmc_dev_info);
 }
+
+struct pmc_dev_info spt_pmc_dev = {
+	.map = &spt_reg_map,
+	.init = spt_core_init,
+};