From patchwork Mon Apr 25 14:08:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 8929011 Return-Path: X-Original-To: patchwork-linux-renesas-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3E4D39F39D for ; Mon, 25 Apr 2016 14:08:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8C9DB20138 for ; Mon, 25 Apr 2016 14:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9CFC02012B for ; Mon, 25 Apr 2016 14:08:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932571AbcDYOIj (ORCPT ); Mon, 25 Apr 2016 10:08:39 -0400 Received: from albert.telenet-ops.be ([195.130.137.90]:37191 "EHLO albert.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754653AbcDYOIi (ORCPT ); Mon, 25 Apr 2016 10:08:38 -0400 Received: from ayla.of.borg ([84.195.109.243]) by albert.telenet-ops.be with bizsmtp id me8b1s00d5F7gFG06e8bw0; Mon, 25 Apr 2016 16:08:36 +0200 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.82) (envelope-from ) id 1auhBj-000595-JX; Mon, 25 Apr 2016 16:08:35 +0200 Received: from geert by ramsan with local (Exim 4.82) (envelope-from ) id 1auhBk-0005YQ-EE; Mon, 25 Apr 2016 16:08:36 +0200 From: Geert Uytterhoeven To: Simon Horman , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Geert Uytterhoeven Subject: [PATCH 1/6] arm64: dts: r8a7795: Don't disable referenced optional clocks Date: Mon, 25 Apr 2016 16:08:30 +0200 Message-Id: <1461593315-21307-2-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461593315-21307-1-git-send-email-geert+renesas@glider.be> References: <1461593315-21307-1-git-send-email-geert+renesas@glider.be> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP clk_get() on a disabled clock node will return -EPROBE_DEFER, which can cause drivers to be deferred forever if such clocks are referenced in their devices' clocks properties. Update the various disabled external clock nodes to default to a frequency of 0, but don't disable them, to prevent this. Reported-by: Jürg Billeter Signed-off-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 1 + arch/arm64/boot/dts/renesas/r8a7795.dtsi | 5 +---- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts index 63d51059ae639e9d..263abaede2a82780 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts +++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts @@ -619,6 +619,7 @@ }; &pcie_bus_clk { + clock-frequency = <100000000>; status = "okay"; }; diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index 575b90c294467bea..727b37d797d9b902 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -159,7 +159,6 @@ compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; - status = "disabled"; }; /* External SCIF clock - to be overridden by boards that provide it */ @@ -167,15 +166,13 @@ compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <0>; - status = "disabled"; }; /* External PCIe clock - can be overridden by the board */ pcie_bus_clk: pcie_bus { compatible = "fixed-clock"; #clock-cells = <0>; - clock-frequency = <100000000>; - status = "disabled"; + clock-frequency = <0>; }; soc {