[PATCH v3 4/4] memory: emif: add device tree support to emif driver
Shilimkar, Santosh
santosh.shilimkar at ti.com
Tue Jun 26 01:23:16 EDT 2012
On Tue, Jun 26, 2012 at 10:49 AM, Rajendra Nayak <rnayak at ti.com> 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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