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From:   Joel Stanley <joel@jms.id.au>
Date:   Tue, 21 Apr 2020 01:04:48 +0000
Message-ID: <CACPK8Xf+h378ddF_YakTT++gv_Zx-raBqg54VkKPS3=qe6193Q@mail.gmail.com>
Subject: Re: [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN()
To:     Christophe Leroy <christophe.leroy@c-s.fr>
Cc:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
        dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
        alsa-devel@alsa-project.org
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On Mon, 20 Apr 2020 at 18:39, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> These three powerpc macros have been replaced by
> equivalent generic macros and are not used anymore.
>
> Remove them.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Reviewed-By: Joel Stanley <joel@jms.id.au>

riscv has a copy of these too that could probably be removed:

arch/riscv/include/asm/page.h:#define _ALIGN_UP(addr, size)
(((addr)+((size)-1))&(~((size)-1)))
arch/riscv/include/asm/page.h:#define _ALIGN(addr, size)
_ALIGN_UP(addr, size)


> ---
>  arch/powerpc/include/asm/page.h | 7 -------
>  1 file changed, 7 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
> index 3ee8df0f66e0..a63fe6f3a0ff 100644
> --- a/arch/powerpc/include/asm/page.h
> +++ b/arch/powerpc/include/asm/page.h
> @@ -249,13 +249,6 @@ static inline bool pfn_valid(unsigned long pfn)
>  #include <asm/page_32.h>
>  #endif
>
> -/* align addr on a size boundary - adjust address up/down if needed */
> -#define _ALIGN_UP(addr, size)   __ALIGN_KERNEL(addr, size)
> -#define _ALIGN_DOWN(addr, size)        ((addr)&(~((typeof(addr))(size)-1)))
> -
> -/* align addr on a size boundary - adjust address up if needed */
> -#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
> -
>  /*
>   * Don't compare things with KERNELBASE or PAGE_OFFSET to test for
>   * "kernelness", use is_kernel_addr() - it should do what you want.
> --
> 2.25.0
>