Merge tag 'hwmon-for-linus-v4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Add support for new Ryzen chips to k10temp driver
   ... making Phoronix happy

 - Fix inconsistent chip access in nct6683 driver

 - Handle absence of few types of sensors in scmi driver

* tag 'hwmon-for-linus-v4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (k10temp) Add support for AMD Ryzen w/ Vega graphics
  hwmon: (k10temp) Add temperature offset for Ryzen 2700X
  hwmon: (nct6683) Enable EC access if disabled at boot
  hwmon: (scmi) handle absence of few types of sensors

3 files changed, 20 insertions, 6 deletions

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 051a72eecb24..d2cc55e21374 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -40,6 +40,10 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
 #define PCI_DEVICE_ID_AMD_17H_DF_F3     0x1463
 #endif
 
+#ifndef PCI_DEVICE_ID_AMD_17H_RR_NB
+#define PCI_DEVICE_ID_AMD_17H_RR_NB     0x15d0
+#endif
+
 /* CPUID function 0x80000001, ebx */
 #define CPUID_PKGTYPE_MASK      0xf0000000
 #define CPUID_PKGTYPE_F         0x00000000
@@ -72,6 +76,7 @@ struct k10temp_data {
         struct pci_dev *pdev;
         void (*read_tempreg)(struct pci_dev *pdev, u32 *regval);
         int temp_offset;
+        u32 temp_adjust_mask;
 };
 
 struct tctl_offset {
@@ -84,6 +89,7 @@ static const struct tctl_offset tctl_offset_table[] = {
         { 0x17, "AMD Ryzen 5 1600X", 20000 },
         { 0x17, "AMD Ryzen 7 1700X", 20000 },
         { 0x17, "AMD Ryzen 7 1800X", 20000 },
+        { 0x17, "AMD Ryzen 7 2700X", 10000 },
         { 0x17, "AMD Ryzen Threadripper 1950X", 27000 },
         { 0x17, "AMD Ryzen Threadripper 1920X", 27000 },
         { 0x17, "AMD Ryzen Threadripper 1900X", 27000 },
@@ -129,6 +135,8 @@ static ssize_t temp1_input_show(struct device *dev,
 
         data->read_tempreg(data->pdev, &regval);
         temp = (regval >> 21) * 125;
+        if (regval & data->temp_adjust_mask)
+                temp -= 49000;
         if (temp > data->temp_offset)
                 temp -= data->temp_offset;
         else
@@ -259,12 +267,14 @@ static int k10temp_probe(struct pci_dev *pdev,
         data->pdev = pdev;
 
         if (boot_cpu_data.x86 == 0x15 && (boot_cpu_data.x86_model == 0x60 ||
-                                          boot_cpu_data.x86_model == 0x70))
+                                          boot_cpu_data.x86_model == 0x70)) {
                 data->read_tempreg = read_tempreg_nb_f15;
-        else if (boot_cpu_data.x86 == 0x17)
+        } else if (boot_cpu_data.x86 == 0x17) {
+                data->temp_adjust_mask = 0x80000;
                 data->read_tempreg = read_tempreg_nb_f17;
-        else
+        } else {
                 data->read_tempreg = read_tempreg_pci;
+        }
 
         for (i = 0; i < ARRAY_SIZE(tctl_offset_table); i++) {
                 const struct tctl_offset *entry = &tctl_offset_table[i];
@@ -292,6 +302,7 @@ static const struct pci_device_id k10temp_id_table[] = {
         { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) },
         { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
         { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
+        { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_RR_NB) },
         {}
 };
 MODULE_DEVICE_TABLE(pci, k10temp_id_table);
diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c
index 8b0bc4fc06e8..b0bc77bf2cd9 100644
--- a/drivers/hwmon/nct6683.c
+++ b/drivers/hwmon/nct6683.c
@@ -1380,8 +1380,8 @@ static int __init nct6683_find(int sioaddr, struct nct6683_sio_data *sio_data)
         /* Activate logical device if needed */
         val = superio_inb(sioaddr, SIO_REG_ENABLE);
         if (!(val & 0x01)) {
-                pr_err("EC is disabled\n");
-                goto fail;
+                pr_warn("Forcibly enabling EC access. Data may be unusable.\n");
+                superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
         }
 
         superio_exit(sioaddr);
diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
index 363bf56eb0f2..91976b6ca300 100644
--- a/drivers/hwmon/scmi-hwmon.c
+++ b/drivers/hwmon/scmi-hwmon.c
@@ -170,7 +170,10 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
         scmi_chip_info.info = ptr_scmi_ci;
         chip_info = &scmi_chip_info;
 
-        for (type = 0; type < hwmon_max && nr_count[type]; type++) {
+        for (type = 0; type < hwmon_max; type++) {
+                if (!nr_count[type])
+                        continue;
+
                 scmi_hwmon_add_chan_info(scmi_hwmon_chan, dev, nr_count[type],
                                          type, hwmon_attributes[type]);
                 *ptr_scmi_ci++ = scmi_hwmon_chan++;