linux-kernel - Re: linux-next: build failure after merge of the hwmon-staging tree

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Message-ID: <24c61106-9928-4423-97b5-f43dc823d54d@roeck-us.net>
Date: Tue, 3 Dec 2024 11:52:54 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Mark Brown <broonie@...nel.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the hwmon-staging tree

On 12/3/24 11:33, Mark Brown wrote:
> Hi all,
> 
> After merging the hwmon-staging tree, today's linux-next build
> (x86 allmodconfig) failed like this:
> 
> In file included from /tmp/next/build/include/linux/module.h:22,
>                   from /tmp/next/build/include/linux/device/driver.h:21,
>                   from /tmp/next/build/include/linux/device.h:32,
>                   from /tmp/next/build/include/linux/hwmon-sysfs.h:10,
>                   from /tmp/next/build/drivers/hwmon/pmbus/tps25990.c:9:
> /tmp/next/build/drivers/hwmon/pmbus/tps25990.c:437:18: error: expected ',' or ';' before 'PMBUS'
>    437 | MODULE_IMPORT_NS(PMBUS);
>        |                  ^~~~~
> /tmp/next/build/include/linux/moduleparam.h:26:61: note: in definition of macro '__MODULE_INFO'
>     26 |                 = __MODULE_INFO_PREFIX __stringify(tag) "=" info
>        |                                                             ^~~~
> /tmp/next/build/include/linux/module.h:299:33: note: in expansion of macro 'MODULE_INFO'
>    299 | #define MODULE_IMPORT_NS(ns)    MODULE_INFO(import_ns, ns)
>        |                                 ^~~~~~~~~~~
> /tmp/next/build/drivers/hwmon/pmbus/tps25990.c:437:1: note: in expansion of macro 'MODULE_IMPORT_NS'
>    437 | MODULE_IMPORT_NS(PMBUS);
>        | ^~~~~~~~~~~~~~~~
> 
> Caused by an interaction with Linus' tree.  I have used the hwmon tree
> from 20241128 instead.

Yes, that is due to the MODULE_IMPORT_NS API change in the upstream kernel
that was pushed right after -rc1. I'll push a new version after I build tested it.

Guenter