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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=unavailable 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 840A8C10F0B for ; Wed, 3 Apr 2019 07:54:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4E4112084B for ; Wed, 3 Apr 2019 07:54:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728558AbfDCHyX (ORCPT ); Wed, 3 Apr 2019 03:54:23 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:39287 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfDCHyW (ORCPT ); Wed, 3 Apr 2019 03:54:22 -0400 Received: from localhost (aaubervilliers-681-1-89-125.w90-88.abo.wanadoo.fr [90.88.30.125]) (Authenticated sender: maxime.ripard@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id E257610000F; Wed, 3 Apr 2019 07:54:19 +0000 (UTC) Date: Wed, 3 Apr 2019 09:54:19 +0200 From: Maxime Ripard To: Jernej Skrabec Cc: wens@csie.org, mturquette@baylibre.com, sboyd@kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] clk: sunxi-ng: h6: Preset hdmi-cec clock parent Message-ID: <20190403075419.h2vvfiyzvq6xa2zs@flea> References: <20190402210623.14988-1-jernej.skrabec@siol.net> <20190402210623.14988-3-jernej.skrabec@siol.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zyc6rapvptieglms" Content-Disposition: inline In-Reply-To: <20190402210623.14988-3-jernej.skrabec@siol.net> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --zyc6rapvptieglms Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Apr 02, 2019 at 11:06:22PM +0200, Jernej Skrabec wrote: > H6 manual and BSP clock driver both states that hdmi-cec clock has two > possible parents, osc32k and pll-periph0-2x with 36621 predivider. > Because pll-periph0-2x is always 1.2 GHz, both parents give same > hdmi-cec rate - 32768 Hz, which is exactly the rate needed for HDMI CEC > controller to operate correctly. > > However, for some reason, HDMI CEC controller doesn't work if default > parent (osc32k) is used. BSP HDMI driver also always use pll-periph0-2x > as hdmi-cec clock parent. > > In order to solve the issue, preset hdmi-cec clock parent to > pll-periph0-2x. > > Signed-off-by: Jernej Skrabec Applied, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --zyc6rapvptieglms Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXKRmqwAKCRDj7w1vZxhR xdm1AP9q79xxI5qd+mqALxTOHhyUITejVi0RD2++HTuCCfl+twEAp0HN7gcion4t qxqa7GnCZirrn51qfwHoLWwcdB/1QgI= =0VJJ -----END PGP SIGNATURE----- --zyc6rapvptieglms--