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i2c-powermac: Drop temporary name buffer

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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>
This commit is contained in:
Jean Delvare 2009-12-06 17:06:20 +01:00
parent 6dfa5ca3c9
commit bc6286e50b
1 changed files with 5 additions and 6 deletions
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11
drivers/i2c/busses/i2c-powermac.c
View 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;