diff options
| author | Jean Delvare <khali@linux-fr.org> | 2009-12-06 17:06:19 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-12-06 17:06:19 +0100 |
| commit | 6dfa5ca3c9a35cb395ab1f51e0e500106c85dff4 (patch) | |
| tree | 3ea208e88338d40fd9e4d0ea51f55cafecd64ff0 /drivers/i2c | |
| parent | d7d838a6ebbab6e786148133b6cf9617144603b4 (diff) | |
| download | linux-6dfa5ca3c9a35cb395ab1f51e0e500106c85dff4.tar.bz2 | |
i2c-powermac: Include the i2c_adapter in struct pmac_i2c_bus
Include the i2c_adapter in struct pmac_i2c_bus. This avoids memory
fragmentation and allows for several code cleanups.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Michel Daenzer <michel@daenzer.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-powermac.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 5c22d9f0289b..b58fb7026597 100644 --- 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); |