we can skip one test when calling i801_enable_host_notify(). Given
that we call it all the time, it's better to consider the fact that
the adapter doesn't support Host Notify as not an error.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-i801.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 3321956..a9b9bb4 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -943,12 +943,13 @@ static int i801_enable_host_notify(struct i2c_adapter *adapter)
struct i801_priv *priv = i2c_get_adapdata(adapter);
if (!(priv->features & FEATURE_HOST_NOTIFY))
- return -ENOTSUPP;
+ return 0; /* not an error actually */
- if (!priv->host_notify)
+ if (!priv->host_notify) {
priv->host_notify = i2c_setup_smbus_host_notify(adapter);
- if (!priv->host_notify)
- return -ENOMEM;
+ if (!priv->host_notify)
+ return -ENOMEM;
+ }
outb_p(SMBSLVCMD_HST_NTFY_INTREN, SMBSLVCMD(priv));
/* clear Host Notify bit to allow a new notification */
@@ -1635,7 +1636,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
* is not used if i2c_add_adapter() fails.
*/
err = i801_enable_host_notify(&priv->adapter);
- if (err && err != -ENOTSUPP)
+ if (err)
dev_warn(&dev->dev, "Unable to enable SMBus Host Notify\n");
i801_probe_optional_slaves(priv);
@@ -1690,7 +1691,7 @@ static int i801_resume(struct device *dev)
int err;
err = i801_enable_host_notify(&priv->adapter);
- if (err && err != -ENOTSUPP)
+ if (err)
dev_warn(dev, "Unable to enable SMBus Host Notify\n");
return 0;
--
2.5.5
--
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