diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-iop3xx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-iop3xx.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index 7bd9102db70..1414851a17b 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -11,7 +11,7 @@ * * Copyright (C) 1995-1997 Simon G. Vogl, 1998-2000 Hans Berglund * - * And which acknowledged Kyösti Mälkki <kmalkki@cc.hut.fi>, + * And which acknowledged Kyösti Mälkki <kmalkki@cc.hut.fi>, * Frodo Looijaard <frodol@dds.nl>, Martin Bailey<mbailey@littlefeet-inc.com> * * Major cleanup by Deepak Saxena <dsaxena@plexity.net>, 01/2005: @@ -35,7 +35,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/sched.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/i2c.h> #include <asm/io.h> @@ -43,7 +43,7 @@ #include "i2c-iop3xx.h" /* global unit counter */ -static int i2c_id = 0; +static int i2c_id; static inline unsigned char iic_cook_addr(struct i2c_msg *msg) @@ -184,7 +184,7 @@ iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap, do { interrupted = wait_event_interruptible_timeout ( iop3xx_adap->waitq, - (done = compare( sr = iop3xx_i2c_get_srstat(iop3xx_adap) ,flags )), + (done = compare( sr = iop3xx_i2c_get_srstat(iop3xx_adap) ,flags )), 1 * HZ; ); if ((rc = iop3xx_i2c_error(sr)) < 0) { @@ -405,10 +405,9 @@ static struct i2c_algorithm iop3xx_i2c_algo = { }; static int -iop3xx_i2c_remove(struct device *device) +iop3xx_i2c_remove(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(device); - struct i2c_adapter *padapter = dev_get_drvdata(&pdev->dev); + struct i2c_adapter *padapter = platform_get_drvdata(pdev); struct i2c_algo_iop3xx_data *adapter_data = (struct i2c_algo_iop3xx_data *)padapter->algo_data; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -426,33 +425,30 @@ iop3xx_i2c_remove(struct device *device) kfree(adapter_data); kfree(padapter); - dev_set_drvdata(&pdev->dev, NULL); + platform_set_drvdata(pdev, NULL); return 0; } static int -iop3xx_i2c_probe(struct device *dev) +iop3xx_i2c_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *res; int ret; struct i2c_adapter *new_adapter; struct i2c_algo_iop3xx_data *adapter_data; - new_adapter = kmalloc(sizeof(struct i2c_adapter), GFP_KERNEL); + new_adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL); if (!new_adapter) { ret = -ENOMEM; goto out; } - memset((void*)new_adapter, 0, sizeof(*new_adapter)); - adapter_data = kmalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL); + adapter_data = kzalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL); if (!adapter_data) { ret = -ENOMEM; goto free_adapter; } - memset((void*)adapter_data, 0, sizeof(*adapter_data)); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { @@ -474,9 +470,10 @@ iop3xx_i2c_probe(struct device *dev) goto release_region; } - res = request_irq(platform_get_irq(pdev, 0), iop3xx_i2c_irq_handler, 0, + ret = request_irq(platform_get_irq(pdev, 0), iop3xx_i2c_irq_handler, 0, pdev->name, adapter_data); - if (res) { + + if (ret) { ret = -EIO; goto unmap; } @@ -500,7 +497,7 @@ iop3xx_i2c_probe(struct device *dev) iop3xx_i2c_set_slave_addr(adapter_data); iop3xx_i2c_enable(adapter_data); - dev_set_drvdata(&pdev->dev, new_adapter); + platform_set_drvdata(pdev, new_adapter); new_adapter->algo_data = adapter_data; i2c_add_adapter(new_adapter); @@ -524,23 +521,25 @@ out: } -static struct device_driver iop3xx_i2c_driver = { - .name = "IOP3xx-I2C", - .bus = &platform_bus_type, +static struct platform_driver iop3xx_i2c_driver = { .probe = iop3xx_i2c_probe, - .remove = iop3xx_i2c_remove + .remove = iop3xx_i2c_remove, + .driver = { + .owner = THIS_MODULE, + .name = "IOP3xx-I2C", + }, }; static int __init i2c_iop3xx_init (void) { - return driver_register(&iop3xx_i2c_driver); + return platform_driver_register(&iop3xx_i2c_driver); } static void __exit i2c_iop3xx_exit (void) { - driver_unregister(&iop3xx_i2c_driver); + platform_driver_unregister(&iop3xx_i2c_driver); return; } |