Re: 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]

[Rob Herring]

On Tue, Oct 15, 2024 at 9:49 AM Naresh Kamboju
<naresh.kamboju@xxxxxxxxxx> wrote:
>
> 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

Already fixed this in my tree.

Rob