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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.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 4acee6f9e5a3..f9e1c2ceaac0 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -73,6 +73,7 @@
* Comet Lake-V (PCH) 0xa3a3 32 hard yes yes yes
* Alder Lake-S (PCH) 0x7aa3 32 hard yes yes yes
* Alder Lake-P (PCH) 0x51a3 32 hard yes yes yes
+ * Alder Lake-M (PCH) 0x54a3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@@ -230,6 +231,7 @@
#define PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS 0x4b23
#define PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS 0x4da3
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS 0x51a3
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS 0x54a3
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS 0x7aa3
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
@@ -393,11 +395,9 @@ static int i801_check_post(struct i801_priv *priv, int status)
dev_err(&priv->pci_dev->dev, "Transaction timeout\n");
/* try to stop the current command */
dev_dbg(&priv->pci_dev->dev, "Terminating the current operation\n");
- outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL,
- SMBHSTCNT(priv));
+ outb_p(SMBHSTCNT_KILL, SMBHSTCNT(priv));
usleep_range(1000, 2000);
- outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL),
- SMBHSTCNT(priv));
+ outb_p(0, SMBHSTCNT(priv));
/* Check if it worked */
status = inb_p(SMBHSTSTS(priv));
@@ -1087,6 +1087,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS) },
{ 0, }
};
@@ -1771,6 +1772,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_EBG_SMBUS:
case PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS:
case PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS:
+ case PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS:
priv->features |= FEATURE_BLOCK_PROC;
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;