[PATCH v3 2/6] i2c: i801: Use a different adapter-name for IDF adapters

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On chipsets with a second 'Integrated Device Function' SMBus controller use
a different adapter-name for the second IDF adapter.

This allows platform glue code which is looking for the primary i801
adapter to manually instantiate i2c_clients on to differentiate
between the 2.

This allows such code to find the primary i801 adapter by name, without
needing to duplicate the PCI-ids to feature-flags mapping from i2c-i801.c.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/i2c/busses/i2c-i801.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index d2d2a6dbe29f..5ac5bbd60d45 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1760,8 +1760,13 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
 
 	i801_add_tco(priv);
 
-	snprintf(priv->adapter.name, sizeof(priv->adapter.name),
-		"SMBus I801 adapter at %04lx", priv->smba);
+	if (priv->features & FEATURE_IDF)
+		snprintf(priv->adapter.name, sizeof(priv->adapter.name),
+			"SMBus I801 IDF adapter at %04lx", priv->smba);
+	else
+		snprintf(priv->adapter.name, sizeof(priv->adapter.name),
+			"SMBus I801 adapter at %04lx", priv->smba);
+
 	err = i2c_add_adapter(&priv->adapter);
 	if (err) {
 		platform_device_unregister(priv->tco_pdev);
-- 
2.45.1





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