hwmon: (k10temp): Use cpu_feature_enabled() for detecting zen

JIRA: https://issues.redhat.com/browse/RHEL-104300

commit 4599510
Author: Mario Limonciello <mario.limonciello@amd.com>
Date:   Tue Aug 20 00:35:57 2024 -0500

    hwmon: (k10temp): Use cpu_feature_enabled() for detecting zen

    This removes some boilerplate from the code and will allow adding
    future CPUs by just device IDs.

    Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
    Message-ID: <20240820053558.1052853-1-superm1@kernel.org>
    Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Signed-off-by: David Arcari <darcari@redhat.com>

Author: darcari

drivers/hwmon/k10temp.c

@@ -443,16 +443,21 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		data->disp_negative = true;
 	}
 
-	if (boot_cpu_data.x86 == 0x15 &&
+	data->is_zen = cpu_feature_enabled(X86_FEATURE_ZEN);
+	if (data->is_zen) {
+		data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
+		data->read_tempreg = read_tempreg_nb_zen;
+	} else if (boot_cpu_data.x86 == 0x15 &&
 	    ((boot_cpu_data.x86_model & 0xf0) == 0x60 ||
 	     (boot_cpu_data.x86_model & 0xf0) == 0x70)) {
 		data->read_htcreg = read_htcreg_nb_f15;
 		data->read_tempreg = read_tempreg_nb_f15;
-	} else if (boot_cpu_data.x86 == 0x17 || boot_cpu_data.x86 == 0x18) {
-		data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
-		data->read_tempreg = read_tempreg_nb_zen;
-		data->is_zen = true;
+	} else {
+		data->read_htcreg = read_htcreg_pci;
+		data->read_tempreg = read_tempreg_pci;
+	}
 
+	if (boot_cpu_data.x86 == 0x17 || boot_cpu_data.x86 == 0x18) {
 		switch (boot_cpu_data.x86_model) {
 		case 0x1:	/* Zen */
 		case 0x8:	/* Zen+ */
@@ -474,10 +479,6 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			break;
 		}
 	} else if (boot_cpu_data.x86 == 0x19) {
-		data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
-		data->read_tempreg = read_tempreg_nb_zen;
-		data->is_zen = true;
-
 		switch (boot_cpu_data.x86_model) {
 		case 0x0 ... 0x1:	/* Zen3 SP3/TR */
 		case 0x8:		/* Zen3 TR Chagall */
@@ -501,13 +502,6 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			k10temp_get_ccd_support(data, 12);
 			break;
 		}
-	} else if (boot_cpu_data.x86 == 0x1a) {
-		data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
-		data->read_tempreg = read_tempreg_nb_zen;
-		data->is_zen = true;
-	} else {
-		data->read_htcreg = read_htcreg_pci;
-		data->read_tempreg = read_tempreg_pci;
 	}
 
 	for (i = 0; i < ARRAY_SIZE(tctl_offset_table); i++) {