linux-kernel - Re: [PATCH next v2] phy: mediatek: fix build warning of FIELD

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Message-ID: <edfc1e0a-687e-a91e-28ef-f2090d696a06@collabora.com>
Date:   Wed, 28 Sep 2022 10:03:49 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Eddie Hung <eddie.hung@...iatek.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH next v2] phy: mediatek: fix build warning of FIELD_PREP()

Il 28/09/22 09:07, Chunfeng Yun ha scritto:
> Change the inline function mtk_phy_update_field() into a macro to
> avoid check warning of FIELD_PREP() with compiler parameter
> -Wtautological-constant-out-of-range-compare
> 
> the warning is caused by mask check:
> "BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) >     \"
> 
> Fixes: 29c07477556e ("phy: mediatek: add a new helper to update bitfield")
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>