i2c-powermac: Include the i2c_adapter in struct pmac_i2c_bus

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / i2c / busses / i2c-powermac.c

diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 5c22d9f..b58fb70 100644 (file)
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -204,19 +204,16 @@ static const struct i2c_algorithm i2c_powermac_algorithm = {
 static int __devexit i2c_powermac_remove(struct platform_device *dev)
 {
        struct i2c_adapter      *adapter = platform_get_drvdata(dev);
-       struct pmac_i2c_bus     *bus = i2c_get_adapdata(adapter);
        int                     rc;
 
        rc = i2c_del_adapter(adapter);
-       pmac_i2c_detach_adapter(bus, adapter);
-       i2c_set_adapdata(adapter, NULL);
        /* We aren't that prepared to deal with this... */
        if (rc)
                printk(KERN_WARNING
                       "i2c-powermac.c: Failed to remove bus %s !\n",
                       adapter->name);
        platform_set_drvdata(dev, NULL);
-       kfree(adapter);
+       memset(adapter, 0, sizeof(*adapter));
 
        return 0;
 }
@@ -261,23 +258,17 @@ static int __devinit i2c_powermac_probe(struct platform_device *dev)
        snprintf(name, 32, "%s %d", basename, pmac_i2c_get_channel(bus));
        of_node_put(parent);
 
-       adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
-       if (adapter == NULL) {
-               printk(KERN_ERR "i2c-powermac: can't allocate inteface !\n");
-               return -ENOMEM;
-       }
+       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;
-       pmac_i2c_attach_adapter(bus, adapter);
        rc = i2c_add_adapter(adapter);
        if (rc) {
                printk(KERN_ERR "i2c-powermac: Adapter %s registration "
                       "failed\n", name);
-               i2c_set_adapdata(adapter, NULL);
-               pmac_i2c_detach_adapter(bus, adapter);
+               memset(adapter, 0, sizeof(*adapter));
        }
 
        printk(KERN_INFO "PowerMac i2c bus %s registered\n", name);