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=-3.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 EA9D3C04E87 for ; Fri, 17 May 2019 07:28:08 +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 BC078206A3 for ; Fri, 17 May 2019 07:28:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RlZdHI+j" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC078206A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com 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=lDvirQBIMQRPI228uJYx5/GxbP+L0VX42xK/F+dfhuk=; b=RlZdHI+jSYeP9jXaFOHZrUHCP g+9OQ5relrfS5jTjWzv5VozJkhmog6q/L+w1UQ3FDyw/IGOcLs/GqJYE8feBzR8S8L59GH9RnWkcP YAhYC/WcN8ApQhh4ns9zcEVdZvqAQ2vsNWM7j1MOKTEx4srcp3i5UQdCfMdskJrzPkBmhVaeudYAQ A8YdsI71wog8tk87R1U2eqzcpTnnnHBv7eF/zDXOy63TxUrJ82sgOR4gcBWfzWdtbaoq8q6zEzu9Q EYvZWAe2lexgTCt4FxSdov7ssldZGzm1C01IUb/U99iaDivaobQnyj6I3VZbVK4sXA26lhuUb8Rt8 +1iaCa8VA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRXHa-0006CU-PI; Fri, 17 May 2019 07:27:58 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRXHW-0006C1-H3 for linux-arm-kernel@lists.infradead.org; Fri, 17 May 2019 07:27:56 +0000 X-Originating-IP: 80.215.154.25 Received: from localhost (unknown [80.215.154.25]) (Authenticated sender: maxime.ripard@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 4AABB2000F; Fri, 17 May 2019 07:27:39 +0000 (UTC) Date: Fri, 17 May 2019 09:27:38 +0200 From: Maxime Ripard To: Torsten Duwe Subject: Re: [PATCH 4/4] arm64: DTS: allwinner: a64: enable ANX6345 bridge on Teres-I Message-ID: <20190517072738.deohh5fly4jxms7k@flea> References: <20190514155911.6C0AC68B05@newverein.lst.de> <20190514160241.9EAC768C7B@newverein.lst.de> <20190515093141.41016b11@blackhole.lan> <20190516154820.GA10431@lst.de> <20190516164859.GB10431@lst.de> MIME-Version: 1.0 In-Reply-To: <20190516164859.GB10431@lst.de> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190517_002754_719815_7290A4BF X-CRM114-Status: GOOD ( 13.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , David Airlie , linux-kernel , dri-devel , Andrzej Hajda , Chen-Yu Tsai , Rob Herring , Thierry Reding , Laurent Pinchart , Daniel Vetter , Harald Geyer , Sean Paul , arm-linux , Icenowy Zheng Content-Type: multipart/mixed; boundary="===============4459505535352441214==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4459505535352441214== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="f4mha6snzgf75knu" Content-Disposition: inline --f4mha6snzgf75knu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, May 16, 2019 at 06:48:59PM +0200, Torsten Duwe wrote: > On Thu, May 16, 2019 at 09:06:41AM -0700, Vasily Khoruzhick wrote: > > > > Driver can talk to the panel over AUX channel only after t1+t3, t1 is > > up to 10ms, t3 is up to 200ms. > > This is after power-on. The boot loader needs to deal with this. The bootloader can deal with it, but the kernel will also need to. The bootloader might not be doing this because it's not been updated, the regulator might have been disabled between the time the kernel was started and the time the bridge driver probes, etc. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --f4mha6snzgf75knu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXN5iagAKCRDj7w1vZxhR xSOTAQCltYqEUg7d+BcEgl5RN6diNU5EHsL/qXA4yAy1FZI9NwD/epfnmdGcVWie o0KQWW6HOXO96Su1afZmNzHrEtQffwQ= =zj1P -----END PGP SIGNATURE----- --f4mha6snzgf75knu-- --===============4459505535352441214== 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 --===============4459505535352441214==--