[PATCH v2 1/2] powerpc/io: Avoid clang null pointer arithmetic warnings

With -Wextra clang warns about pointer arithmetic using a null pointer. When building with CONFIG_PCI=n, that triggers a warning in the IO accessors, eg: In file included from linux/arch/powerpc/include/asm/io.h:672: linux/arch/powerpc/include/asm/io-defs.h:23:1: warning: performing pointer a

Re: [PATCH v2 1/2] powerpc/io: Avoid clang null pointer arithmetic warnings

On Fri, 03 May 2024 17:56:18 +1000, Michael Ellerman wrote: > With -Wextra clang warns about pointer arithmetic using a null pointer. > When building with CONFIG_PCI=n, that triggers a warning in the IO > accessors, eg: > > In file included from linux/arch/powerpc/include/asm/io.h:672: > linux

Re: [PATCH v2 1/2] powerpc/io: Avoid clang null pointer arithmetic warnings

On Fri, 3 May 2024 at 13:26, Michael Ellerman wrote: > > With -Wextra clang warns about pointer arithmetic using a null pointer. > When building with CONFIG_PCI=n, that triggers a warning in the IO > accessors, eg: > > In file included from linux/arch/powerpc/include/asm/io.h:672: > linux/arch

Re: [PATCH v2 1/2] powerpc/io: Avoid clang null pointer arithmetic warnings

Naresh Kamboju writes: > On Fri, 3 May 2024 at 13:26, Michael Ellerman wrote: >> >> With -Wextra clang warns about pointer arithmetic using a null pointer. >> When building with CONFIG_PCI=n, that triggers a warning in the IO >> accessors, eg: >> >> In file included from linux/arch/powerpc/incl