RE: [PATCH v6 3/3] input: samsung-keypad - Add samsung keypad driver

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Joonyoung Shim wrote:
> 
> Hi, I came back from vacation.
> 
> >>>> Do you have any feedback? If ok, i want to go to input tree or samsung
> >>>> tree these added sched.h including.
> >>> I applied the patch adding samsung-keypad.c and the platform data
> >>> arch/arm/plat-samsung/include/plat/keypad.h and I expect that
> >>> patches to actually enable keypad will go through appropriate
> >>> platform tree(s).
> >>>
> >> OK, the rest will go through samsung platform tree
> >>
> > Ok..will apply.
> >
> 
> Kukjin, could you remove keypad.h on the commit "ARM: SAMSUNG: Add
> keypad device support" of the samsung platform tree. The keypad.h file
> was included on input tree.
> (http://git.kernel.org/?p=linux/kernel/git/dtor/input.git;a=commit;h=0fffed27f92d9d7
> a34de9fe017b7082b5958bb93)

You mean in plat-samsung/dev-keypad.c?
If remove inclusion plat/keypad.h in there, following build error happens.

arch/arm/plat-samsung/dev-keypad.c:41: warning: 'struct samsung_keypad_platdata' declared inside parameter list
arch/arm/plat-samsung/dev-keypad.c:41: warning: its scope is only this definition or declaration, which is probably not what you want
arch/arm/plat-samsung/dev-keypad.c: In function 'samsung_keypad_set_platdata':
arch/arm/plat-samsung/dev-keypad.c:50: error: invalid application of 'sizeof' to incomplete type 'struct samsung_keypad_platdata'
arch/arm/plat-samsung/dev-keypad.c:54: error: dereferencing pointer to incomplete type
arch/arm/plat-samsung/dev-keypad.c:55: error: dereferencing pointer to incomplete type
arch/arm/plat-samsung/dev-keypad.c:55: error: 'samsung_keypad_cfg_gpio' undeclared (first use in this function)
arch/arm/plat-samsung/dev-keypad.c:55: error: (Each undeclared identifier is reported only once
arch/arm/plat-samsung/dev-keypad.c:55: error: for each function it appears in.)
make[1]: *** [arch/arm/plat-samsung/dev-keypad.o] Error 1

As you know, released 35 today. So we have no much time for this merge window.

> 
> >>> The only caveat is that I removed declarations for copying platform data
> >>> around and for gpio config function - if it is there there is no point
> >>> of invoking it through the pointer in platform data.
> >>>
> >> I agree, but currently samsung platform framework uses such this way. I
> >> believe these can change later at once.
> >>
> 
> Dmitry, could you apply original keypad.h. We can get problem such this
> on most samsung device driver too. As i said before, these can be fixed
> later.
> 
> >>> Overall I am confused why you set up keypad in platform code in the
> >>> way you do. I'd put the device definitions and all supporting functions
> >>> in the same module that registers platform device and be done with it.
> >>>
> >> Thanks.
> >
> >

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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