[GIT PULL] Second Round of Renesas ARM Based SoC Updates for v4.10

[Geert Uytterhoeven]

Hi Olof,

On Mon, Nov 21, 2016 at 5:19 PM, Olof Johansson <olof at lixom.net> wrote:
> On Mon, Nov 21, 2016 at 1:31 AM, Geert Uytterhoeven
> <geert at linux-m68k.org> wrote:
>> On Sat, Nov 19, 2016 at 2:28 AM, Olof Johansson <olof at lixom.net> wrote:
>>> On Thu, Nov 17, 2016 at 02:34:25PM +0100, Simon Horman wrote:
>>>> Please consider these second round of Renesas ARM based SoC updates for v4.10.
>>
>>>> * Basic support for r8a7745 SoC
>>>>
>>>> ----------------------------------------------------------------
>>>> Sergei Shtylyov (2):
>>>>       ARM: shmobile: r8a7745: basic SoC support
>>>>       ARM: shmobile: document SK-RZG1E board
>>>
>>> Is there a reason you're adding a config option per SoC?
>>>
>>> I think you'd be better off not adding these config options, and just adding
>>> support for the SoCs through compatibles (and adding the drivers to defconfigs,
>>> etc).
>>
>> Yes there is a reason: kernel size.
>> The main offenders are the pinctrl tables, which add ca. 20-50 KiB per
>> supported SoC.
>
> So don't turn on that pinctrl driver unless you have that SoC?

The enablement of the pinctrl driver (and the clock driver, FWIW) is controlled
by the SoC Kconfig symbol. If you want support for the SoC, you want the
pinctrl driver, too.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds