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path: root/drivers/i2c/busses/i2c-i801.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-i801.c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 5ef9b733d153..08847e8b8998 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -64,6 +64,7 @@
* Broxton (SOC) 0x5ad4 32 hard yes yes yes
* Lewisburg (PCH) 0xa1a3 32 hard yes yes yes
* Lewisburg Supersku (PCH) 0xa223 32 hard yes yes yes
+ * Kaby Lake PCH-H (PCH) 0xa2a3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@@ -226,6 +227,7 @@
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS 0xa123
#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS 0xa1a3
#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS 0xa223
+#define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS 0xa2a3
struct i801_mux_config {
char *gpio_chip;
@@ -1006,6 +1008,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS) },
{ 0, }
};
@@ -1482,11 +1485,14 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS:
case PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS:
case PCI_DEVICE_ID_INTEL_DNV_SMBUS:
+ case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;
priv->features |= FEATURE_SMBUS_PEC;
priv->features |= FEATURE_BLOCK_BUFFER;
- priv->features |= FEATURE_TCO;
+ /* If we have ACPI based watchdog use that instead */
+ if (!acpi_has_watchdog())
+ priv->features |= FEATURE_TCO;
priv->features |= FEATURE_HOST_NOTIFY;
break;
@@ -1613,7 +1619,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
"SMBus I801 adapter at %04lx", priv->smba);
err = i2c_add_adapter(&priv->adapter);
if (err) {
- dev_err(&dev->dev, "Failed to add SMBus adapter\n");
i801_acpi_remove(priv);
return err;
}