linux-kernel - Re: [PATCHv3 1/4] staging: OMAP4+: thermal: introduce bandgap temperature sensor

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Message-ID: <CAGF5oy-K6bUteVcwV_Z8oZ3P2D4Bm=L-3aGemyC+w2BENVqKog@mail.gmail.com>
Date:	Thu, 12 Jul 2012 17:25:18 +0300
From:	"Valentin, Eduardo" <eduardo.valentin@...com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	devel@...verdev.osuosl.org, b-cousson@...com, j-keerthy@...com,
	linux-kernel@...r.kernel.org, kbaidarov@....rtsoft.ru,
	grant.likely@...retlab.ca
Subject: Re: [PATCHv3 1/4] staging: OMAP4+: thermal: introduce bandgap
 temperature sensor

Hello Greg,

On Thu, Jul 12, 2012 at 5:45 AM, Valentin, Eduardo
<eduardo.valentin@...com> wrote:
> Hello,
>
> On Thu, Jul 12, 2012 at 3:32 AM, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
>> On Wed, Jul 11, 2012 at 11:41:06PM +0300, Eduardo Valentin wrote:
>>> In the System Control Module, OMAP supplies a voltage reference
>>> and a temperature sensor feature that are gathered in the band
>>> gap voltage and temperature sensor (VBGAPTS) module. The band
>>> gap provides current and voltage reference for its internal
>>> circuits and other analog IP blocks. The analog-to-digital
>>> converter (ADC) produces an output value that is proportional
>>> to the silicon temperature.
>>>
>>> This patch provides a platform driver which expose this feature.
>>> It is moduled as a MFD child of the System Control Module core
>>> MFD driver.
>>>
>>> This driver provides only APIs to access the device properties,
>>> like temperature, thresholds and update rate.
>>>
>>> Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
>>> Signed-off-by: J Keerthy <j-keerthy@...com>
>>
>> This patch gives me the following build error:
>>
>> rivers/staging/omap-thermal/omap-bandgap.c: In function ‘omap_bandgap_build’:
>> drivers/staging/omap-thermal/omap-bandgap.c:805:2: error: implicit declaration of function ‘of_match_device’ [-Werror=implicit-function-declaration]
>> drivers/staging/omap-thermal/omap-bandgap.c:805:8: warning: assignment makes pointer from integer without a cast [enabled by default]
>
> OK. Those I didn't see while testing on my side. I didn't use
> -Werror=implicit-function-declaration though.
>

Actually this is put to all compilation processes, no matter what.
Thing is that my codesourcery toolchain is somehow ignoring this flag.
That's why I didn't see it. Besides this driver should not compile for
x86 arch. So, I fixed that up and will resend soon. Hope it doesnt
break things a part this time...

>>
>> So of course I can't accept it :(
>
> That's for sure.

Sorry for this mess.
>
>>
>> How hard is it to test that the patches build before sending them to me?
>
> It should not be. I will check with those compiling flags.
>
>>
>> ugh,
>>
>> greg k-h
>
>
>
> --
>
> Eduardo Valentin



-- 

Eduardo Valentin
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