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Re: [PATCH v6 6/6] wlcore: remove wl12xx_platform_data

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On Mon, Mar 16, 2015 at 8:24 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> * Sebastian Reichel <sre@xxxxxxxx> [150316 11:26]:
>> Hi,
>>
>> On Mon, Mar 16, 2015 at 08:29:39AM -0700, Tony Lindgren wrote:
>> > * Arnd Bergmann <arnd@xxxxxxxx> [150315 05:10]:
>> > > On Sunday 15 March 2015 10:50:42 Eliad Peller wrote:
>> > > > yeah, i missed it :/
>> > > >
>> > > > looks like there's no platform that defines platform data for it.
>> > > > i'll replace the dev_get_platdata() with a function that only parses
>> > > > the clock-frequency properties (the irq is taken in this case from the
>> > > > spi_device).
>> > > > (or maybe i should just drop it, as no one actually uses it?)
>> > >
>> > > I don't think we should drop the driver, but dropping the platform_data
>> > > support sounds reasonable. New users of this driver should all be using
>> > > DT, and if there is a good reason to use platform_data, it's easily
>> > > put back.
>> >
>> > Well we have n8x0 and n900 using the spi driver. For those, n8x0 boot
>> > all in dts mode, but n900 still also boots in legacy mode. It seems the
>> > board-rx51-peripherals.c only passes the power_gpio though, so that
>> > should be easy to keep around.
>> >
>> > We should keep things still working for n900 in legacy mode until the
>> > pending regressions with device tree based booting have been cleared
>> > for at least one merge cycle. I believe the last pending issues is the
>> > support for ATAG_REVISION in device tree mode as posted by Pali.
>>
>> mh by migrating to newer gpiod interface platform data is no longer
>> needed (instead the boardfile would need a gpiod_lookup_table). That
>> way all of the dirty code is in the board file and will be removed
>> once the time comes. See for example rx51_fmtx_gpios_table.
>>
>> Note: This is independent of wl12xx changes, since N900 uses wl1251.
>
> Oh sorry yes sounds like that's different platform data then. In that
> case I see no reasons to drop the platform data for wl12xx.
>
great.
so i'll drop the relevant wlcore_spi platform data code, and rebase
the patches on top of v4.0-rc4 (probably tomorrow).

Eliad.
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