next-20241015: drivers/of/address.c:244:31: error: passing 'const struct fwnode_handle *' to parameter of type 'struct fwnode_handle *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]

From: Naresh Kamboju
Date: Tue Oct 15 2024 - 10:49:49 EST


A larger set of clang-19 builds failed on arm, mips, riscv and powerpc due to
following Linux next-20241015 tag and these include tinyconfig, allnoconfig etc.

And gcc-13 and gcc-12 builds are passed.

First seen on next-20241014
GOOD: next-20241014
BAD: next-20241015

List of build regressions,
arm:
build:
* clang-19-sama5_defconfig
* clang-nightly-mxs_defconfig
* clang-nightly-exynos_defconfig
* clang-19-at91_dt_defconfig
* clang-19-pxa910_defconfig
* clang-nightly-vexpress_defconfig
* clang-19-vexpress_defconfig
* clang-19-mxs_defconfig
* clang-nightly-davinci_all_defconfig
* clang-19-allnoconfig
...
powerpc:
build:
* clang-19-tqm8xx_defconfig
* clang-19-tinyconfig
* clang-nightly-tinyconfig
* clang-nightly-tqm8xx_defconfig
* clang-19-allnoconfig
* clang-19-ppc64e_defconfig
* clang-nightly-ppc64e_defconfig
* clang-nightly-allnoconfig

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Build log:
-----------
drivers/of/address.c:244:31: error: passing 'const struct
fwnode_handle *' to parameter of type 'struct fwnode_handle *'
discards qualifiers
[-Werror,-Wincompatible-pointer-types-discards-qualifiers]
244 | err = pci_register_io_range(&np->fwnode,
range->cpu_addr,
| ^~~~~~~~~~~
include/linux/pci.h:2022:63: note: passing argument to parameter 'fwnode' here
2022 | static inline int pci_register_io_range(struct fwnode_handle *fwnode,
| ^
1 error generated


Build link,
-------
- https://storage.tuxsuite.com/public/linaro/lkft/builds/2nShjJ9pOcjqxIXViYuRI5haZZP/
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241015/testrun/25441737/suite/build/test/clang-19-tinyconfig/log

Build history:
----------
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241015/testrun/25441737/suite/build/test/clang-19-tinyconfig/history/

metadata:
----
git describe: next-20241015
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git sha: b852e1e7a0389ed6168ef1d38eb0bad71a6b11e8
kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2nShjJ9pOcjqxIXViYuRI5haZZP/config
build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2nShjJ9pOcjqxIXViYuRI5haZZP/
toolchain: clang-19
config: defconfig
arch: arm, mips, riscv and powerpc

Steps to reproduce:
-------
# tuxmake --runtime podman --target-arch mips --toolchain clang-19
--kconfig tinyconfig LLVM=1 LLVM_IAS=1

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