Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <77906053-62f4-bfbb-6b76-cb22c30bd102@arinc9.com>
Date:   Sun, 4 Jun 2023 16:25:21 +0300
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.11.0
Subject: Re: [PATCH net-next 24/30] net: dsa: mt7530: rename MT7530_MFC to
 MT753X_MFC
Content-Language: en-US
To:     Vladimir Oltean <olteanv@gmail.com>
Cc:     "Russell King (Oracle)" <linux@armlinux.org.uk>,
        Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
        DENG Qingfang <dqfext@gmail.com>,
        Daniel Golle <daniel@makrotopia.org>,
        Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Richard van Schagen <richard@routerhints.com>,
        Richard van Schagen <vschagen@cs.com>,
        Frank Wunderlich <frank-w@public-files.de>,
        Bartel Eerdekens <bartel.eerdekens@constell8.be>,
        erkin.bozoglu@xeront.com, mithat.guner@xeront.com,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org
References: <20230522121532.86610-1-arinc.unal@arinc9.com>
 <20230522121532.86610-25-arinc.unal@arinc9.com>
 <20230526154258.skbkk4p34ro5uivr@skbuf>
 <ZHDVUC1AqncfF2mK@shell.armlinux.org.uk>
 <e4aff9aa-d0c6-1f2e-7f16-35df59d51b90@arinc9.com>
 <20230604131735.f2clcinq67wspuun@skbuf>
From:   =?UTF-8?B?QXLEsW7DpyDDnE5BTA==?= <arinc.unal@arinc9.com>
In-Reply-To: <20230604131735.f2clcinq67wspuun@skbuf>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Precedence: bulk

On 4.06.2023 16:17, Vladimir Oltean wrote:
> On Sun, Jun 04, 2023 at 11:06:32AM +0300, Arınç ÜNAL wrote:
>>> Even better are:
>>> #define  MT7531_MIRROR_PORT_GET(x)	FIELD_GET(MT7531_MIRROR_MASK, x)
>>>
>>>>> +#define  MT7531_MIRROR_PORT_SET(x)	(((x) & 0x7) << 16)
>>>>
>>>> and here: (((x) << 16) & GENMASK(18, 16))
>>>
>>> #define  MT7531_MIRROR_PORT_SET(x)	FIELD_PREP(MT7531_MIRROR_MASK, x)
>>>
>>> No need to add parens around "x" in either of these uses as we're not
>>> doing anything with x other than passing it into another macro.
>>
>> Thanks. I suppose the GENMASK, FIELD_PREP, and FIELD_GET macros can be
>> widely used on mt7530.h? Like GENMASK(2, 0) on MT7530_MIRROR_MASK and
>> FIELD_PREP(MT7530_MIRROR_MASK, x) on MT7530_MIRROR_PORT(x)?
> 
> I suppose the answer would be "yes, they can be used", but then, I'm not
> really sure what answer you're expecting.

I was thinking of replacing all manual definitions with these macros on 
mt7530.h. For now, I'll just make sure my current changes use them.

Arınç