[PATCH v3 4/4] memory: emif: add device tree support to emif driver

[Rajendra Nayak]

On Tuesday 26 June 2012 10:39 AM, Shilimkar, Santosh wrote:
>>> +#if defined(CONFIG_OF)
>>> >  >  +static const struct of_device_id emif_of_match[] = {
>>> >  >  +             { .compatible = "ti,emif-4d" },
>>> >  >  +             { .compatible = "ti,emif-4d5" },
>>> >  >  +             {},
>>> >  >  +};
>>> >  >  +MODULE_DEVICE_TABLE(of, emif_of_match);
>>> >  >  +#endif
>>> >  >  +
>>> >  >    static struct platform_driver emif_driver = {
>>> >  >         .remove         = __exit_p(emif_remove),
>>> >  >         .shutdown       = emif_shutdown,
>>> >  >         .driver = {
>>> >  >                 .name = "emif",
>>> >  >  +#if defined(CONFIG_OF)
>>> >  >  +             .of_match_table = of_match_ptr(emif_of_match),
>>> >  >  +#endif
>> >
>> >  Are these two still #if defined needed?
>> >
>> >  Also, what about the IS_DEFINED macro?
>> >
> Yes. To avoid the build break in !DT build.
>

No, infact of_match_ptr is there just so you can avoid a
#ifdef around and not break !CONFIG_OF.