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.

Reviewed-by: Jean Delvare <jdelv...@suse.de>
Signed-off-by: Benjamin Tissoires <benjamin.tissoi...@redhat.com>

---

no changes in v2
---
 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 a5360df8..74fb144 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -944,12 +944,13 @@ 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;
+       }
 
        priv->original_slvcmd = inb_p(SMBSLVCMD(priv));
 
@@ -1639,7 +1640,7 @@ 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);
@@ -1694,7 +1695,7 @@ 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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