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Tue, 24 Nov 2020 09:24:42 -0500 (EST) Date: Tue, 24 Nov 2020 15:24:40 +0100 From: Maxime Ripard To: Adam Sampson Subject: Re: [PATCH] ARM: dts: sun7i: pcduino3-nano: enable RGMII RX/TX delay on PHY Message-ID: <20201124142440.5ott772bz5f4ieln@gilmour> References: <20201123174739.6809-1-ats@offog.org> MIME-Version: 1.0 In-Reply-To: <20201123174739.6809-1-ats@offog.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201124_092446_827212_277091D2 X-CRM114-Status: GOOD ( 13.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , Jernej Skrabec , Andrew Lunn , Chen-Yu Tsai , linux-sunxi , Chen-Yu Tsai , linux-arm-kernel Content-Type: multipart/mixed; boundary="===============4891644159432921125==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4891644159432921125== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="amx2spjg4vkfvkzb" Content-Disposition: inline --amx2spjg4vkfvkzb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 23, 2020 at 05:47:39PM +0000, Adam Sampson wrote: > The RX/TX delays for the Ethernet PHY on the Linksprite pcDuino 3 Nano > are configured in hardware, using resistors that are populated to pull > the RTL8211E's RXDLY/TXDLY pins low or high as needed. >=20 > phy-mode should be set to rgmii-id to reflect this. Previously it was > set to rgmii, which used to work but now results in the delays being > disabled again as a result of the bugfix in commit bbc4d71d6354 ("net: > phy: realtek: fix rtl8211e rx/tx delay config"). >=20 > Tested on two pcDuino 3 Nano boards purchased in 2015. Without this fix, > Ethernet works unreliably on one board and doesn't work at all on the > other. >=20 > Fixes: 061035d456c9 ("ARM: dts: sun7i: Add dts file for pcDuino 3 Nano bo= ard") > Signed-off-by: Adam Sampson > Reviewed-by: Andrew Lunn > Acked-by: Chen-Yu Tsai Applied, thanks Maxime --amx2spjg4vkfvkzb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCX70XqAAKCRDj7w1vZxhR xXFZAQDePWHoGN3twKUypUJIM5ddHcYFdu+hUA08KzRBvzMAgQD/RW8gsj7GbYpp s7icpunZaT+dY2RszaHINx0mxNDKeAg= =/B08 -----END PGP SIGNATURE----- --amx2spjg4vkfvkzb-- --===============4891644159432921125== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============4891644159432921125==--