Re: Latest build results - errors/warnings - lots of them

[Eduardo Valentin <eduardo.valentin@ti.com>]

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On 02-05-2013 14:06, Felipe Balbi wrote:
> Hi,
> 
> On Thu, May 02, 2013 at 01:07:49PM -0400, Eduardo Valentin wrote:
>> Arnd, Tony,
>>
>> On 02-05-2013 11:38, Tony Lindgren wrote:
>>> * Russell King - ARM Linux <linux@arm.linux.org.uk> [130502 01:27]:
>>>> On Tue, Apr 30, 2013 at 09:17:39AM +0100, Russell King - ARM Linux wrote:
>>>>> Latest nightly build of 3.9+my for-next+arm-soc's for-next results in a
>>>>> great load of new warnings and errors.  arch/arm/common/mcpm_head.S,
>>>>> arch/arm/common/mcpm_platsmp.c, arch/arm/common/vlock.S are the biggest
>>>>> source of errors.
>>>>>
>>>>> OMAP stuff needs a serious look at too - much Kconfig madness there
>>>>> caused by over-use of select, which then goes on to cause build errors
>>>>> because it assumes some stuff is always enabled.
>>>>>
>>>>> There's also warnings about of_device_id from include/linux/of_platform.h
>>>>> via from arch/arm/kernel/setup.c which feature in all the non-OF builds
>>>>> too which need addressing.
>>>>>
>>>>> See todays http://www.arm.linux.org.uk/developer/build/ results for all
>>>>> the details and configs.  Not pushing my tree until some of this stuff
>>>>> gets fixed.
>>>>
>>>> And now we have a new bunch of warnings from OMAP stuff which weren't
>>>> previously there...
>>>>
>>>> arch/arm/mach-omap2/omap_device.c: In function 'omap_device_get_by_hwmod_name':
>>>> arch/arm/mach-omap2/omap_device.c:821:3: warning: return makes pointer from integer without a cast
>>>> arch/arm/mach-omap2/omap_device.c:826:3: warning: return makes pointer from integer without a cast
>>>
>>> Hmm these I already fixed earlier along with a merge resolution, and
>>> I'm not seeing them in next/master or arm-soc/for-next. What do you
>>> have merged into your current tree?
>>>
>>>> drivers/power/twl4030_charger.c: In function 'twl4030_charger_enable_usb':
>>>> drivers/power/twl4030_charger.c:192:20: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result
>>>
>>> Neil, care to provide a fix for this? It's from your commit ab37813
>>> (twl4030_charger: Allow charger to control the regulator that feeds it).
>>>
>>>> include/linux/thermal.h:254:12: warning: 'thermal_generate_netlink_event' defined but not used
>>>
>>> Eduardo, can you fix that one? It seems to be from your commit 8ab3e6a
>>> (thermal: Use thermal zone device id in netlink messages).
>>
>> Yeah sure I can fix it. As simple as the following:
>> From c04244c87312f5bfc61d9e12ba3fbaa0fdd81adb Mon Sep 17 00:00:00 2001
>> From: Eduardo Valentin <eduardo.valentin@ti.com>
>> Date: Thu, 2 May 2013 12:58:20 -0400
>> Subject: [PATCH 1/1] thermal: remove stub for thermal_generate_netlink_event
>>
>> This patch removes the stub for thermal_generate_netlink_event
>> because this function is not used anywhere inside the kernel.
>>
>> In case CONFIG_NET is not set we get:
>> include/linux/thermal.h:254:12: warning:
>> 'thermal_generate_netlink_event' defined but not used
>>
>> Thus removing it.
>>
>> Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
>> ---
>>  include/linux/thermal.h | 6 ------
>>  1 file changed, 6 deletions(-)
>>
>> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
>> index e3c0ae9..e3f3cba 100644
>> --- a/include/linux/thermal.h
>> +++ b/include/linux/thermal.h
>> @@ -250,12 +250,6 @@ void thermal_unregister_governor(struct
>> thermal_governor *);
>>  #ifdef CONFIG_NET
>>  extern int thermal_generate_netlink_event(struct thermal_zone_device *tz,
>>  						enum events event);
>> -#else
>> -static int thermal_generate_netlink_event(struct thermal_zone_device *tz,
> 
> just adding 'inline' would be an easier patch and lets you compile fine
> on !CONFIG_NET when you starting using thermal_generate_netlink_event().
> 

Yeah, that is one thing. But as I pointed, the fix is actually to remove
the whole netlink thing.


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