#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/i2c-pxa.h>
+#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/irq.h>
decode_ISR(isr);
}
- if (i2c->irqlogidx < sizeof(i2c->isrlog)/sizeof(u32))
+ if (i2c->irqlogidx < ARRAY_SIZE(i2c->isrlog))
i2c->isrlog[i2c->irqlogidx++] = isr;
show_state(i2c);
struct pxa_i2c *i2c = adap->algo_data;
int ret, i;
+ /* If the I2C controller is disabled we need to reset it (probably due
+ to a suspend/resume destroying state). We do this here as we can then
+ avoid worrying about resuming the controller before its users. */
+ if (!(ICR & ICR_IUE))
+ i2c_pxa_reset(i2c);
+
for (i = adap->retries; i >= 0; i--) {
ret = i2c_pxa_do_xfer(i2c, msgs, num);
if (ret != I2C_RETRY)
return ret;
}
+static u32 i2c_pxa_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
static struct i2c_algorithm i2c_pxa_algorithm = {
- .name = "PXA-I2C-Algorithm",
- .id = I2C_ALGO_PXA,
.master_xfer = i2c_pxa_xfer,
+ .functionality = i2c_pxa_functionality,
};
static struct pxa_i2c i2c_pxa = {
.lock = SPIN_LOCK_UNLOCKED,
.wait = __WAIT_QUEUE_HEAD_INITIALIZER(i2c_pxa.wait),
.adap = {
- .name = "pxa2xx-i2c",
- .id = I2C_ALGO_PXA,
+ .owner = THIS_MODULE,
.algo = &i2c_pxa_algorithm,
+ .name = "pxa2xx-i2c",
.retries = 5,
},
};
-static int i2c_pxa_probe(struct device *dev)
+static int i2c_pxa_probe(struct platform_device *dev)
{
struct pxa_i2c *i2c = &i2c_pxa;
- struct i2c_pxa_platform_data *plat = dev->platform_data;
+#ifdef CONFIG_I2C_PXA_SLAVE
+ struct i2c_pxa_platform_data *plat = dev->dev.platform_data;
+#endif
int ret;
#ifdef CONFIG_PXA27x
i2c_pxa_reset(i2c);
i2c->adap.algo_data = i2c;
- i2c->adap.dev.parent = dev;
+ i2c->adap.dev.parent = &dev->dev;
ret = i2c_add_adapter(&i2c->adap);
if (ret < 0) {
goto err_irq;
}
- dev_set_drvdata(dev, i2c);
+ platform_set_drvdata(dev, i2c);
#ifdef CONFIG_I2C_PXA_SLAVE
printk(KERN_INFO "I2C: %s: PXA I2C adapter, slave address %d\n",
return ret;
}
-static int i2c_pxa_remove(struct device *dev)
+static int i2c_pxa_remove(struct platform_device *dev)
{
- struct pxa_i2c *i2c = dev_get_drvdata(dev);
+ struct pxa_i2c *i2c = platform_get_drvdata(dev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(dev, NULL);
i2c_del_adapter(&i2c->adap);
free_irq(IRQ_I2C, i2c);
return 0;
}
-static struct device_driver i2c_pxa_driver = {
- .name = "pxa2xx-i2c",
- .bus = &platform_bus_type,
+static struct platform_driver i2c_pxa_driver = {
.probe = i2c_pxa_probe,
.remove = i2c_pxa_remove,
+ .driver = {
+ .name = "pxa2xx-i2c",
+ },
};
static int __init i2c_adap_pxa_init(void)
{
- return driver_register(&i2c_pxa_driver);
+ return platform_driver_register(&i2c_pxa_driver);
}
static void i2c_adap_pxa_exit(void)
{
- return driver_unregister(&i2c_pxa_driver);
+ return platform_driver_unregister(&i2c_pxa_driver);
}
+MODULE_LICENSE("GPL");
+
module_init(i2c_adap_pxa_init);
module_exit(i2c_adap_pxa_exit);