Hi Jon,

On Fri, 11 Jan 2008 21:47:46 -0500 Jon Smirl <[EMAIL PROTECTED]> wrote:
>
> +++ b/drivers/i2c/busses/i2c-mpc.c

> +static void of_register_i2c_devices(struct i2c_adapter *adap, struct 
> device_node *adap_node)
> +{
> +     struct device_node *node = NULL;
> +
> +     while ((node = of_get_next_child(adap_node, node))) {

We have for_each_child_of_node(adap_node, node) now for this (and it
means you don't need to initialize the "node" above).

> +             struct i2c_board_info info;
> +             const u32 *addr;
> +             const char *compatible;
> +             int len;
> +
> +             addr = of_get_property(node, "reg", &len);
> +             if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
> +                     printk(KERN_ERR "i2c-mpc.c: invalid entry, missing reg 
> attribute\n");
> +                     continue;
> +             }
> +
> +             info.irq = irq_of_parse_and_map(node, 0);
> +             if (info.irq == NO_IRQ)
> +                     info.irq = -1;
> +
> +             compatible = of_get_property(node, "compatible", &len);
> +             if (!compatible) {
> +                     printk(KERN_ERR "i2c-mpc.c: invalid entry, missing 
> compatible attribute\n");
> +                     continue;

You may need to clean up from the irq_of_pase_and_map().

> +             }
> +             
> +             /* need full alias i2c:NOF,vendor,device */
> +             strcpy(info.type, I2C_OF_MODULE_PREFIX);
> +             strncat(info.type, compatible, sizeof(info.type));
> +             request_module(info.type);
> +             
> +             /* need module alias OF,vendor,device */
> +             strcpy(info.type, OF_I2C_PREFIX);
> +             strncat(info.type, compatible, sizeof(info.type));
> +             
> +             info.driver_name[0] = '\0';
> +             info.platform_data = NULL;
> +             info.addr = *addr;
> +
> +             if (!i2c_new_device(adap, &info)) {
> +                     printk(KERN_ERR "i2c-mpc.c: Failed to load driver for 
> %s\n", info.type);
> +                     continue;

And again.

> +             }
> +     }
> +}
> +
> +static int mpc_i2c_probe(struct of_device *op, const struct of_device_id 
> *match)
> +{

> +     dev_set_drvdata(&op->dev, i2c);
> +
> +     i2c->adap = mpc_ops;
> +     i2c_set_adapdata(&i2c->adap, i2c);
> +     i2c->adap.dev.parent = &op->dev;
> +
> +     result = i2c_add_adapter(&i2c->adap);
> +     if (result < 0) {
> +             printk(KERN_ERR "i2c-mpc - failed to add adapter\n");
> +             goto fail_add;
> +     }
> +
> +     of_register_i2c_devices(&i2c->adap, op->node);
> +
> +     return result;
> +
> +fail_add:

        dev_set_dvdata(&op->dev, NULL);

> +     free_irq(i2c->irq, i2c);
> +fail_request:
> +     irq_dispose_mapping(i2c->irq);
> +fail_irq:
> +     iounmap(i2c->base);
> +fail_map:
> +     kfree(i2c);
> +     return result;
> +};

> +static struct of_device_id mpc_i2c_of_match[] = {

const, please.

-- 
Cheers,
Stephen Rothwell                    [EMAIL PROTECTED]
http://www.canb.auug.org.au/~sfr/

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