linux-kernel - Re: [PATCH -next] olpc: fix olpc-xo1-sci.c build when INPUT=m

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Date:	Fri, 13 Jan 2012 15:51:34 -0800
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Andres Salomon <dilinger@...ued.net>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	x86 maintainers <x86@...nel.org>, Chris Ball <cjb@...top.org>,
	Jon Nettleton <jon.nettleton@...il.com>, dsd@...top.org
Subject: Re: [PATCH -next] olpc: fix olpc-xo1-sci.c build when INPUT=m

On 01/13/2012 02:31 PM, Andres Salomon wrote:
> On Fri, 13 Jan 2012 14:34:17 -0800
> Randy Dunlap <rdunlap@...otime.net> wrote:
> 
>> On 01/10/2012 01:30 PM, Randy Dunlap wrote:
>>> From: Randy Dunlap <rdunlap@...otime.net>
>>>
>>> Fix build errors when CONFIG_INPUT=m.
>>> This is not pretty, but all of the OLPC kconfig options
>>> are bool instead of tristate.
> 
> How about 'select INPUT' instead?

No, we don't select major subsystems to be enabled.
Linus has written about that...

> Cc'ing dsd, as he's the one who worked on the SCI code.  I'm still
> annoyed that this stuff is bool rather than tristate.. Might be worth
> spending some time allowing it to be modular, if we can figure out a
> non-racy solution.

Yes, tristate would be a Good change.

> 
>>
>>
>> ping.
>>
>> This patch is still needed in linux-next (20120113).
>>
>>
>>> arch/x86/built-in.o: In function `send_lid_state':
>>> olpc-xo1-sci.c:(.text+0x1d323): undefined reference to `input_event'
>>> olpc-xo1-sci.c:(.text+0x1d338): undefined reference to `input_event'
>>> arch/x86/built-in.o: In function `free_ebook_switch':
>>> olpc-xo1-sci.c:(.text+0x1d529): undefined reference to
>>> `input_unregister_device' olpc-xo1-sci.c:(.text+0x1d533): undefined
>>> reference to `input_free_device' arch/x86/built-in.o: In function
>>> `free_power_button': olpc-xo1-sci.c:(.text+0x1d549): undefined
>>> reference to `input_unregister_device'
>>> olpc-xo1-sci.c:(.text+0x1d553): undefined reference to
>>> `input_free_device' arch/x86/built-in.o: In function
>>> `send_ebook_state': olpc-xo1-sci.c:(.text+0x1d632): undefined
>>> reference to `input_event' olpc-xo1-sci.c:(.text+0x1d647):
>>> undefined reference to `input_event' arch/x86/built-in.o: In
>>> function `xo1_sci_intr': olpc-xo1-sci.c:(.text+0x1d78e): undefined
>>> reference to `input_event' olpc-xo1-sci.c:(.text+0x1d7a3):
>>> undefined reference to `input_event'
>>> olpc-xo1-sci.c:(.text+0x1d7be): undefined reference to
>>> `input_event' arch/x86/built-in.o:olpc-xo1-sci.c:(.text+0x1d7d3):
>>> more undefined references to `input_event' follow
>>> arch/x86/built-in.o: In function `free_lid_switch':
>>> olpc-xo1-sci.c:(.text+0x1d7fd): undefined reference to
>>> `input_unregister_device' olpc-xo1-sci.c:(.text+0x1d807): undefined
>>> reference to `input_free_device' arch/x86/built-in.o: In function
>>> `setup_lid_switch': olpc-xo1-sci.c:(.devinit.text+0x155): undefined
>>> reference to `input_allocate_device'
>>> olpc-xo1-sci.c:(.devinit.text+0x1a4): undefined reference to
>>> `input_register_device' olpc-xo1-sci.c:(.devinit.text+0x1ce):
>>> undefined reference to `input_unregister_device'
>>> olpc-xo1-sci.c:(.devinit.text+0x1d8): undefined reference to
>>> `input_free_device' arch/x86/built-in.o: In function
>>> `xo1_sci_probe': olpc-xo1-sci.c:(.devinit.text+0x235): undefined
>>> reference to `input_allocate_device'
>>> olpc-xo1-sci.c:(.devinit.text+0x285): undefined reference to
>>> `input_register_device' olpc-xo1-sci.c:(.devinit.text+0x299):
>>> undefined reference to `input_free_device'
>>> olpc-xo1-sci.c:(.devinit.text+0x2e1): undefined reference to
>>> `input_register_device' olpc-xo1-sci.c:(.devinit.text+0x2f5):
>>> undefined reference to `input_free_device'
>>> olpc-xo1-sci.c:(.devinit.text+0x54c): undefined reference to
>>> `input_allocate_device'
>>>
>>> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>
>>> Cc:	Andres Salomon <dilinger@...ued.net>
>>> Cc:	Chris Ball <cjb@...top.org>
>>> Cc:	Jon Nettleton <jon.nettleton@...il.com>
>>> ---
>>>  arch/x86/Kconfig |    1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> --- linux-next-20120110.orig/arch/x86/Kconfig
>>> +++ linux-next-20120110/arch/x86/Kconfig
>>> @@ -2132,6 +2132,7 @@ config OLPC_XO1_RTC
>>>  config OLPC_XO1_SCI
>>>  	bool "OLPC XO-1 SCI extras"
>>>  	depends on OLPC && OLPC_XO1_PM
>>> +	depends on INPUT=y
>>>  	select POWER_SUPPLY
>>>  	select GPIO_CS5535
>>>  	select MFD_CORE
>>>
>>
>>


-- 
~Randy
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