From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC1A7C3A5A3 for ; Tue, 27 Aug 2019 13:35:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7ADCD2054F for ; Tue, 27 Aug 2019 13:35:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jNIlwgOP"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="W8ZvR5DO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7ADCD2054F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=d9IydTgRTglIYUkxuz1rXHJ1m0JVx5UHlaAIp61pGQg=; b=jNIlwgOP/irKz00/whvyTHIqn 70i+hF2twiVqLonNissycSSZ+l9Gl5kARyRzfvDBxCU3mkkWCrhH4FE/aF+32L5Ugtq48zC95ZrTV gCXYvFQZeg9g7o2//rZzB7FuArgL6VrG1M/+luzmjq1lUK7X+uuqJUDwPVWlF43ichf+I/LFg+VUo 4gb0UXRrmpLOm77lU5bgxcIU7V8OT5mO6YjR2wutdia93UFCWxCK3XJQ8WBaJGOqqcGVBMKkyGeqe yVmkki2c4MLk+1w4ixlZ7e7bBtJHGl5kipZlgWYiZvUjXlogA/In8yTKsxBOTV3s9JgW8sEdmiiKY jkm5ROdJQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i2bcg-0005RD-9G; Tue, 27 Aug 2019 13:34:58 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i2bcU-0005Km-Ho for linux-arm-kernel@lists.infradead.org; Tue, 27 Aug 2019 13:34:48 +0000 Received: from localhost (lfbn-1-17395-211.w86-250.abo.wanadoo.fr [86.250.200.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 96FD420828; Tue, 27 Aug 2019 13:34:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566912886; bh=JUTyWwX2ET5pcAqmDZd9yiuKVN2SmCNm8sEP12RzMMc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=W8ZvR5DOjP38DXOaIx0j7myXAl5RgAQIqWTAFcW9XrI6yxAULG4QtZbJ00ES1PtER 0IuAUFyISZy/h9ClfTor1novhWyk4vkJPnoMSOET1v3C+MutUZDXG8jrEcjoUM4EX5 QdPdAZBYQ45xuf4Ibd0L1LDj/JdnCbt+yZMwUXI4= Date: Tue, 27 Aug 2019 15:34:43 +0200 From: Maxime Ripard To: Jernej Skrabec Subject: Re: [PATCH] arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay Message-ID: <20190827133443.fdxl5wjmgkerc3uh@flea> References: <20190825130336.14154-1-jernej.skrabec@siol.net> MIME-Version: 1.0 In-Reply-To: <20190825130336.14154-1-jernej.skrabec@siol.net> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190827_063446_866015_DEF72DD4 X-CRM114-Status: GOOD ( 11.71 ) 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: mark.rutland@arm.com, devicetree@vger.kernel.org, Ondrej Jirman , linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, wens@csie.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============6753186568083115446==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6753186568083115446== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="hjrahydg6q3alewh" Content-Disposition: inline --hjrahydg6q3alewh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sun, Aug 25, 2019 at 03:03:36PM +0200, Jernej Skrabec wrote: > Depending on kernel and bootloader configuration, it's possible that > Realtek ethernet PHY isn't powered on properly. It needs some time > before it can be used. > > Fix that by adding 100ms ramp delay to regulator responsible for > powering PHY. > > Fixes: 94dcfdc77fc5 ("arm64: allwinner: pine64-plus: Enable dwmac-sun8i") > Suggested-by: Ondrej Jirman > Signed-off-by: Jernej Skrabec How was that delay found? It should at least have a comment explaining why it's there. Thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --hjrahydg6q3alewh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXWUxcwAKCRDj7w1vZxhR xQcDAP9PcjmKcemio5RyGsvXfmaqZINOqCwOKsTiONK54RVLbQEAgaFOmHxFyHfJ oQcsq82EY17PkSDieqvgY9JWjjbwrgo= =kJyJ -----END PGP SIGNATURE----- --hjrahydg6q3alewh-- --===============6753186568083115446== 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 --===============6753186568083115446==--