linux-kernel - Re: [PATCH v2 2/4] mfd: rk8xx-core: allow to customize RK806 reset mode

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Message-ID: <55b8edb6-c3bd-4580-8a37-2690e1a35b8f@cherry.de>
Date: Tue, 10 Jun 2025 12:11:15 +0200
From: Quentin Schulz <quentin.schulz@...rry.de>
To: kernel test robot <lkp@...el.com>, Quentin Schulz
 <foss+kernel@...il.net>, Lee Jones <lee@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: oe-kbuild-all@...ts.linux.dev,
 Lukasz Czechowski <lukasz.czechowski@...umatec.com>,
 Daniel Semkowicz <dse@...umatec.com>,
 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] mfd: rk8xx-core: allow to customize RK806 reset
 mode

Hi all,

On 6/7/25 7:46 AM, kernel test robot wrote:
> Hi Quentin,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on ec7714e4947909190ffb3041a03311a975350fe0]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Quentin-Schulz/dt-bindings-mfd-rk806-allow-to-customize-PMIC-reset-mode/20250605-234243
> base:   ec7714e4947909190ffb3041a03311a975350fe0
> patch link:    https://lore.kernel.org/r/20250605-rk8xx-rst-fun-v2-2-143d190596dd%40cherry.de
> patch subject: [PATCH v2 2/4] mfd: rk8xx-core: allow to customize RK806 reset mode
> config: arc-randconfig-001-20250607 (https://download.01.org/0day-ci/archive/20250607/202506071321.Ze0gsxC0-lkp@intel.com/config)
> compiler: arc-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250607/202506071321.Ze0gsxC0-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202506071321.Ze0gsxC0-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>     drivers/mfd/rk8xx-core.c: In function 'rk8xx_probe':
>>> drivers/mfd/rk8xx-core.c:740:42: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]

This should be simply fixed with the addition of

#include <linux/bitfield.h>

Though somehow I cannot reproduce the error locally as I get:

COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 
~/work/upstream/lkp-tests/kbuild/make.cross W=1 O=build/0day ARCH=arc 
olddefconfig
Compiler will be installed in /home/qschulz/0day
lftpget -c 
https://cdn.kernel.org/pub/tools/crosstool/files/bin/x86_64/15.1.0/x86_64-gcc-15.1.0-nolibc-sparc-linux.tar.xz
/home/qschulz/work/upstream/linux
tar Jxf 
/home/qschulz/0day/15.1.0/x86_64-gcc-15.1.0-nolibc-sparc-linux.tar.xz -C 
/home/qschulz/0day
No gcc cross compiler for arc
setup_crosstool failed

But I'm pretty sure that should be enough to fix it :)

Since it's a minor change, I'll give this v2 some time on the ML to 
hopefully gather some feedback before I send a v3.

Cheers,
Quentin