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Wed, 7 Jun 2023 13:06:42 +0000 (UTC) Date: Wed, 7 Jun 2023 16:53:24 +0200 From: Maxime Chevallier To: "Russell King (Oracle)" Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen Subject: Re: [PATCH net-next v4 4/5] net: altera_tse: explicitly disable autoscan on the regmap-mdio bus Message-ID: <20230607165324.37f981f5@pc-7.home> In-Reply-To: References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> <20230607135941.407054-5-maxime.chevallier@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.1.1 (GTK 3.24.37; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230607_060653_413568_1984B286 X-CRM114-Status: GOOD ( 12.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello Russell, On Wed, 7 Jun 2023 13:26:41 +0100 "Russell King (Oracle)" wrote: > On Wed, Jun 07, 2023 at 03:59:40PM +0200, Maxime Chevallier wrote: > > Set the .autoscan flag to false on the regmap-mdio bus, to avoid using a > > random uninitialized value. We don't want autoscan in this case as the > > mdio device is a PCS and not a PHY. > > Isn't this now covered by patch 1's memset of mrc? > Yes it is, however I thought it could be fine keeping it set explicitely anyway, as we do have a PCS on that bus and we don't want any autoscan happening. Since these two drivers are the first users of mdio_regmap, my hope is that we could get these reference usages covering all fields. Should I drop this ? Maxime _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel