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

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On Tue, Jun 26, 2012 at 10:49 AM, Rajendra Nayak <rnayak@xxxxxx> wrote:
> 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.

Need to recheck but the build was throwing error becasue of "emif_of_match"
mostly.

Regards
Santosh
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