Re: [PATCH -next v2] powerpc/mpic_msgr: fix cast removes address space of expression warnings

From: Michael Ellerman
Date: Wed Nov 30 2022 - 04:37:32 EST


On Wed, 19 Oct 2022 14:34:14 +0800, ruanjinjie wrote:
> When build Linux kernel, encounter the following warnings:
>
> ./arch/powerpc/sysdev/mpic_msgr.c:230:38: warning: cast removes address space '__iomem' of expression
> ./arch/powerpc/sysdev/mpic_msgr.c:230:27: warning: incorrect type in assignment (different address spaces)
>
> The data type of msgr->mer and msgr->base are 'u32 __iomem *', but
> converted to 'u32 *' and 'u8 *' directly and cause above warnings, now
> instead of using a type cast, change the size of the pointer offset to fix
> these warnings.
>
> [...]

Applied to powerpc/next.

[1/1] powerpc/mpic_msgr: fix cast removes address space of expression warnings
https://git.kernel.org/powerpc/c/16a3f41ff3322830683d3ccc14d77736829c61bf

cheers