* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/init.h>
-#include <linux/pci.h>
+#include <linux/platform_device.h>
+
#include <asm/io.h>
#include <linux/fsl_devices.h>
#include <linux/i2c.h>
writeb(x, i2c->base + MPC_I2C_CR);
}
-static irqreturn_t mpc_i2c_isr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mpc_i2c_isr(int irq, void *dev_id)
{
struct mpc_i2c *i2c = dev_id;
if (readb(i2c->base + MPC_I2C_SR) & CSR_MIF) {
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
}
-static struct i2c_algorithm mpc_algo = {
+static const struct i2c_algorithm mpc_algo = {
.master_xfer = mpc_xfer,
.functionality = mpc_functionality,
};
.retries = 1
};
-static int fsl_i2c_probe(struct device *device)
+static int fsl_i2c_probe(struct platform_device *pdev)
{
int result = 0;
struct mpc_i2c *i2c;
- struct platform_device *pdev = to_platform_device(device);
struct fsl_i2c_platform_data *pdata;
struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pdata = (struct fsl_i2c_platform_data *) pdev->dev.platform_data;
- if (!(i2c = kmalloc(sizeof(*i2c), GFP_KERNEL))) {
+ if (!(i2c = kzalloc(sizeof(*i2c), GFP_KERNEL))) {
return -ENOMEM;
}
- memset(i2c, 0, sizeof(*i2c));
i2c->irq = platform_get_irq(pdev, 0);
+ if (i2c->irq < 0) {
+ result = -ENXIO;
+ goto fail_get_irq;
+ }
i2c->flags = pdata->device_flags;
init_waitqueue_head(&i2c->queue);
if (i2c->irq != 0)
if ((result = request_irq(i2c->irq, mpc_i2c_isr,
- SA_SHIRQ, "i2c-mpc", i2c)) < 0) {
+ IRQF_SHARED, "i2c-mpc", i2c)) < 0) {
printk(KERN_ERR
"i2c-mpc - failed to attach interrupt\n");
goto fail_irq;
}
mpc_i2c_setclock(i2c);
- dev_set_drvdata(device, i2c);
+ platform_set_drvdata(pdev, i2c);
i2c->adap = mpc_ops;
+ i2c->adap.nr = pdev->id;
i2c_set_adapdata(&i2c->adap, i2c);
i2c->adap.dev.parent = &pdev->dev;
- if ((result = i2c_add_adapter(&i2c->adap)) < 0) {
+ if ((result = i2c_add_numbered_adapter(&i2c->adap)) < 0) {
printk(KERN_ERR "i2c-mpc - failed to add adapter\n");
goto fail_add;
}
fail_irq:
iounmap(i2c->base);
fail_map:
+ fail_get_irq:
kfree(i2c);
return result;
};
-static int fsl_i2c_remove(struct device *device)
+static int fsl_i2c_remove(struct platform_device *pdev)
{
- struct mpc_i2c *i2c = dev_get_drvdata(device);
+ struct mpc_i2c *i2c = platform_get_drvdata(pdev);
i2c_del_adapter(&i2c->adap);
- dev_set_drvdata(device, NULL);
+ platform_set_drvdata(pdev, NULL);
if (i2c->irq != 0)
free_irq(i2c->irq, i2c);
};
/* Structure for a device driver */
-static struct device_driver fsl_i2c_driver = {
- .owner = THIS_MODULE,
- .name = "fsl-i2c",
- .bus = &platform_bus_type,
+static struct platform_driver fsl_i2c_driver = {
.probe = fsl_i2c_probe,
.remove = fsl_i2c_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "fsl-i2c",
+ },
};
static int __init fsl_i2c_init(void)
{
- return driver_register(&fsl_i2c_driver);
+ return platform_driver_register(&fsl_i2c_driver);
}
static void __exit fsl_i2c_exit(void)
{
- driver_unregister(&fsl_i2c_driver);
+ platform_driver_unregister(&fsl_i2c_driver);
}
module_init(fsl_i2c_init);