linux-kernel - stable-rc/queue/6.14: S390: devres.h:111:16: error: implicit declaration of function 'IOMEM_ERR_PTR' [-Werror=implicit-function-declaration]

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Message-ID: <CA+G9fYtSrmuXzvYbCrmT_4RHggpaYi__Qwr2SB2Y0=X3mB=byw@mail.gmail.com>
Date: Mon, 26 May 2025 20:19:46 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: linux-stable <stable@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, 
	linux-s390@...r.kernel.org, devel@...verdev.osuosl.org, 
	lkft-triage@...ts.linaro.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Sasha Levin <sashal@...nel.org>, 
	Arnd Bergmann <arnd@...db.de>, Anders Roxell <anders.roxell@...aro.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Heiko Carstens <hca@...ux.ibm.com>, 
	Vasily Gorbik <gor@...ux.ibm.com>, Alexander Gordeev <agordeev@...ux.ibm.com>
Subject: stable-rc/queue/6.14: S390: devres.h:111:16: error: implicit
 declaration of function 'IOMEM_ERR_PTR' [-Werror=implicit-function-declaration]

Regressions on S390 tinyconfig builds failing with gcc-13, gcc-8 and
clang-20 and clang-nightly tool chains on the stable-rc/queue/6.14.

Regression Analysis:
 - New regression? Yes
 - Reproducible? Yes

Build regression: S390 tinyconfig devres.h 'devm_ioremap_resource'
implicit declaration of function 'IOMEM_ERR_PTR'

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>


Build log:
---------
In file included from include/linux/device.h:31,
                 from include/linux/node.h:18,
                 from include/linux/cpu.h:17,
                 from arch/s390/kernel/traps.c:28:
include/linux/device/devres.h: In function 'devm_ioremap_resource':
include/linux/device/devres.h:111:16: error: implicit declaration of
function 'IOMEM_ERR_PTR' [-Werror=implicit-function-declaration]
  111 |         return IOMEM_ERR_PTR(-EINVAL);
      |                ^~~~~~~~~~~~~


## Source
* kernel version: 6.14.8
* git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git sha: 3413aa4d097e291186719c26f341c52f8550e22c
* git describe: v6.14.8-756-g3413aa4d097e
* project details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_6.14/build/v6.14.8-756-g3413aa4d097e/
* architecture: S390
* toolchain: gcc-8, gcc-13, clang-20, clang-nightly
* config : tinyconfig
* Build config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2xbEAey3MY3M8lp7doND4hPoZo3/config
* Build: https://storage.tuxsuite.com/public/linaro/lkft/builds/2xbEAey3MY3M8lp7doND4hPoZo3/

## Boot log
* Build log: https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_6.14/build/v6.14.8-756-g3413aa4d097e/testrun/28546580/suite/build/test/gcc-13-tinyconfig/log
* Build details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_6.14/build/v6.14.8-756-g3413aa4d097e/testrun/28546580/suite/build/test/gcc-13-tinyconfig/details/
* Build history:
https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_6.14/build/v6.14.8-756-g3413aa4d097e/testrun/28546580/suite/build/test/gcc-13-tinyconfig/history/

## Steps to reproduce
 - tuxmake --runtime podman --target-arch s390 --toolchain gcc-13
--kconfig tinyconfig

--
Linaro LKFT
https://lkft.linaro.org