Re: [PATCH] auxdisplay: fix broken menus

From: Geert Uytterhoeven
Date: Fri Sep 22 2017 - 15:46:51 EST


Hi Randy,

On Fri, Sep 22, 2017 at 8:23 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> On 09/22/17 11:15, Geert Uytterhoeven wrote:
>> On Fri, Sep 22, 2017 at 6:24 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>>> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>>
>>> Having the CHARLCD Kconfig symbol between "menuconfig AUXDISPLAY"
>>> and "if AUXDISPLAY" breaks the AUXDISPLAY submenus, so move the
>>> CHARLCD Kconfig symbol above the "menuconfig" so that the menu
>>> display is continuous.
>>>
>>> Fixes: 39f8ea46724e (auxdisplay: charlcd: Extract character LCD core from misc/panel)
>>
>> Oops, sorry for that.
>>
>>> Cc: stable@xxxxxxxxxxxxxxx # v4.12
>>> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>>> Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@xxxxxxxxx>
>>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>> ---
>>> drivers/auxdisplay/Kconfig | 6 +++---
>>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>>
>>> --- lnx-414-rc1.orig/drivers/auxdisplay/Kconfig
>>> +++ lnx-414-rc1/drivers/auxdisplay/Kconfig
>>> @@ -5,6 +5,9 @@
>>> # Auxiliary display drivers configuration.
>>> #
>>>
>>> +config CHARLCD
>>> + tristate "Character LCD core support" if COMPILE_TEST
>>> +
>>
>> What about moving it inside (i.e. right below) the "if AUXDISPLAY" instead?
>
> That works.
> But why? PANEL also selects CHARLCD, so it isn't specific to AUXDISPLAY.

OK, I thought PANEL was under AUXDISPLAY, but apparently it isn't.
Perhaps it should be, just like ARM_CHARLCD?
I.e. move everything inside the big if AUXDISPLAY block?

>>> menuconfig AUXDISPLAY
>>> bool "Auxiliary Display support"
>>> ---help---
>>> @@ -13,9 +16,6 @@ menuconfig AUXDISPLAY
>>>
>>> If you say N, all options in this submenu will be skipped and disabled.
>>>
>>> -config CHARLCD
>>> - tristate "Character LCD core support" if COMPILE_TEST
>>> -
>>> if AUXDISPLAY
>>>
>>> config HD44780

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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