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

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Message-Id: <166980024887.3017288.841160634700021311.b4-ty@ellerman.id.au>
Date:   Wed, 30 Nov 2022 20:24:08 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     joel@....id.au, npiggin@...il.com, linux-kernel@...r.kernel.org,
        christophe.leroy@...roup.eu, mpe@...erman.id.au,
        ruanjinjie <ruanjinjie@...wei.com>, Julia.Lawall@...ia.fr,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH -next v2] powerpc/mpic_msgr: fix cast removes address space of expression warnings

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