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Wed, 11 Feb 2026 10:22:05 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vq7M6-000000003hT-07hu; Wed, 11 Feb 2026 10:21:58 +0000 Date: Wed, 11 Feb 2026 10:21:57 +0000 From: "Russell King (Oracle)" To: Joey Lu Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mcoquelin.stm32@gmail.com, richardcochran@gmail.com, alexandre.torgue@foss.st.com, joabreu@synopsys.com, ychuang3@nuvoton.com, schung@nuvoton.com, yclu4@nuvoton.com, peppe.cavallaro@st.com, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, linux-stm32@st-md-mailman.stormreply.com, Andrew Lunn Subject: Re: [PATCH net-next v12 3/3] net: stmmac: dwmac-nuvoton: Add dwmac glue for Nuvoton MA35 family Message-ID: References: <20260210052226.3005666-1-a0987203069@gmail.com> <20260210052226.3005666-4-a0987203069@gmail.com> <747b9ab4-6711-426d-95a5-4ce6c8732edd@gmail.com> X-Mailing-List: openbmc@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <747b9ab4-6711-426d-95a5-4ce6c8732edd@gmail.com> Sender: Russell King (Oracle) On Wed, Feb 11, 2026 at 05:52:21PM +0800, Joey Lu wrote: > > Is this register preserved over suspend/resume ? > > It is not preserved by the GMAC suspend/resume flow and therefore needs to > be treated as a system register rather than a GMAC local context. That is another reason to use .set_phy_intf_sel as that will be called just before GMAC soft-reset in the .ndo_open() and resume paths. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!