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

Shilimkar, Santosh santosh.shilimkar at ti.com
Sat Jun 30 00:14:05 EDT 2012


On Sat, Jun 30, 2012 at 8:20 AM, Greg Kroah-Hartman
<gregkh at linuxfoundation.org> wrote:
> On Fri, Jun 29, 2012 at 04:28:36PM -0500, Jon Hunter wrote:
>>
>> On 06/29/2012 04:07 PM, Greg Kroah-Hartman wrote:
>> > On Fri, Jun 29, 2012 at 07:16:19PM +0530, Shilimkar, Santosh wrote:
>> >> Greg,
>> >>
>> >> On Tue, Jun 26, 2012 at 1:19 PM, Shilimkar, Santosh
>> >> <santosh.shilimkar at ti.com> wrote:
>> >>>
>> >>> On Tue, Jun 26, 2012 at 10:56 AM, Rajendra Nayak <rnayak at ti.com> wrote:
>> >>>> On Tuesday 26 June 2012 10:53 AM, Shilimkar, Santosh wrote:
>> >>>>>
>> >>>>> 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.
>> >>>>
>> >>>>
>> >>>> You still need the first one. I meant the second one around
>> >>>> 'of_match_ptr' should be removed.
>> >>>>
>> >>>> With !CONFIG_OF, of_match_ptr(_ptr) is just defined as NULL.
>> >>>>
>> >>> Yep. That make sense too.
>> >>> Will drop the second check.
>> >>>
>> >> Posted the entire series again with updated $subject patch.
>> >> With your ack, I will ask Tony to pull this series for 3.6.
>> >
>> > Sent them where?  I didn't see a copy here :(
>>
My bad. Accidentally in reworked patch, CC line got dropped.

>> Hi Greg, should have hit both linux-omap and linux-arm. See:
>>
>> http://marc.info/?l=linux-omap&m=134097764625471&w=2
>
> Ah, two lists I am not on, so how would I know to be able to ack them?
> Please always cc: people you wish to review patches, otherwise it could
> get lost, or as in this case, the people might not even be on the lists
> you send the patches to.
>
I just bounced the $subject patch looping you.

Regards
Santosh



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