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Fri, 17 Jul 2026 03:00:13 -0400 (EDT) From: Jiaxing Hu To: maxime.chevallier@bootlin.com Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, heiko@sntech.de, netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] net: stmmac: dwmac-rk: enable the reference clock for output mode Date: Fri, 17 Jul 2026 19:00:11 +1200 Message-ID: <20260717070011.2629800-1-gahing@gahingwoo.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Maxime, > So the statement "For RGMII, it must be input [...]" is now incorrect : > - it can be output for RGMII > - it will be 25Hz if set to output, from what I get from the commit log. > > Can you update it ? Done in v2, added as patch 1: https://lore.kernel.org/all/20260717065933.2629501-1-gahing@gahingwoo.com/ It rewords clock_in_out so that for RGMII, "output" means the SoC drives a 25 MHz reference out to a crystal-less PHY. The driver change is now patch 2 of the same series. Thanks, Jiaxing