i2c-powermac: Drop temporary name buffer
authorJean Delvare <khali@linux-fr.org>
Sun, 6 Dec 2009 16:06:20 +0000 (17:06 +0100)
committerJean Delvare <khali@linux-fr.org>
Sun, 6 Dec 2009 16:06:20 +0000 (17:06 +0100)
We no longer need to write the adapter name to a temporary buffer.
We can write it directly to the i2c_adapter's name field. This is
more efficient.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Michel Daenzer <michel@daenzer.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
drivers/i2c/busses/i2c-powermac.c

index b58fb7026597c95ba969c48afd8effbd9f6c74c6..02b02413850a437c6a5fdb27d8189370d619501c 100644 (file)
@@ -224,12 +224,12 @@ static int __devinit i2c_powermac_probe(struct platform_device *dev)
        struct pmac_i2c_bus *bus = dev->dev.platform_data;
        struct device_node *parent = NULL;
        struct i2c_adapter *adapter;
-       char name[32];
        const char *basename;
        int rc;
 
        if (bus == NULL)
                return -EINVAL;
+       adapter = pmac_i2c_get_adapter(bus);
 
        /* Ok, now we need to make up a name for the interface that will
         * match what we used to do in the past, that is basically the
@@ -255,23 +255,22 @@ static int __devinit i2c_powermac_probe(struct platform_device *dev)
        default:
                return -EINVAL;
        }
-       snprintf(name, 32, "%s %d", basename, pmac_i2c_get_channel(bus));
+       snprintf(adapter->name, sizeof(adapter->name), "%s %d", basename,
+                pmac_i2c_get_channel(bus));
        of_node_put(parent);
 
-       adapter = pmac_i2c_get_adapter(bus);
        platform_set_drvdata(dev, adapter);
-       strcpy(adapter->name, name);
        adapter->algo = &i2c_powermac_algorithm;
        i2c_set_adapdata(adapter, bus);
        adapter->dev.parent = &dev->dev;
        rc = i2c_add_adapter(adapter);
        if (rc) {
                printk(KERN_ERR "i2c-powermac: Adapter %s registration "
-                      "failed\n", name);
+                      "failed\n", adapter->name);
                memset(adapter, 0, sizeof(*adapter));
        }
 
-       printk(KERN_INFO "PowerMac i2c bus %s registered\n", name);
+       printk(KERN_INFO "PowerMac i2c bus %s registered\n", adapter->name);
 
        if (!strncmp(basename, "uni-n", 5)) {
                struct device_node *np;