From patchwork Fri Jan 18 10:47:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulrich Hecht X-Patchwork-Id: 10769697 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 210BE13B4 for ; Fri, 18 Jan 2019 10:48:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 113BE2DFE0 for ; Fri, 18 Jan 2019 10:48:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 061252DFF7; Fri, 18 Jan 2019 10:48:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F3FD2DFE7 for ; Fri, 18 Jan 2019 10:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726032AbfARKsb (ORCPT ); Fri, 18 Jan 2019 05:48:31 -0500 Received: from mo4-p02-ob.smtp.rzone.de ([81.169.146.171]:25972 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726416AbfARKsb (ORCPT ); Fri, 18 Jan 2019 05:48:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1547808508; s=strato-dkim-0002; d=fpond.eu; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=z0d+0ifMinzieI0aB75TG74OdXZlxKIhK3AuykiRJZI=; b=bnv439RIhDWWPqmeNLuNqe0OV8Xe+FpFuFCOhx2UPQz3YkW8xQvJwqetSWepJZS33E k1G8nEEun2u/2zb3McvMjJh9UrxOTeorxjkdFFjBkAHahW8ZMK8boT2UN0Vc6sodES8/ oUocqcH/6yHhnZ1dyXzE38y0weAZ/wJobxu/8+wIq3mht7WnyVINptVYnLtsLOo2Ijqg HAz6q98eudX0IiilnF2rHzyaIP5vUU+oC08J62ToOOy6dDt3WcUc2/5Mv6dkQziTSBm7 bNvCFQ7qBCOQZZegZWU9Lrb6+67aIM+xzLqyWPvY44tnzJJmm7WOFPaGBYrY8ENpZ3WL Y3Nw== X-RZG-AUTH: ":OWANVUa4dPFUgKR/3dpvnYP0Np73dmm4I5W0/AvA67Ot4fvR8GZZd0rmoQ==" X-RZG-CLASS-ID: mo00 Received: from groucho.site by smtp.strato.de (RZmta 44.9 DYNA|AUTH) with ESMTPSA id V028b8v0IAmBnyH (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Fri, 18 Jan 2019 11:48:11 +0100 (CET) From: Ulrich Hecht To: linux-renesas-soc@vger.kernel.org Cc: horms@verge.net.au, geert@linux-m68k.org, khiem.nguyen.xt@renesas.com, dien.pham.ry@renesas.com, takeshi.kihara.df@renesas.com, Ulrich Hecht Subject: [PATCH v2 5/5] arm64: dts: r8a7796-m3ulcb: Disable cpuidle support for CA53 cores Date: Fri, 18 Jan 2019 11:47:54 +0100 Message-Id: <1547808474-19427-6-git-send-email-uli+renesas@fpond.eu> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1547808474-19427-1-git-send-email-uli+renesas@fpond.eu> References: <1547808474-19427-1-git-send-email-uli+renesas@fpond.eu> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Takeshi Kihara The revision of the R8A7796 SoC on the M3ULCB board is ES1.0. This revision can not use cpuidle for CA53 cores. Therefore, this patch disables cpuidle support for CA53 cores. Signed-off-by: Takeshi Kihara Signed-off-by: Ulrich Hecht --- arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts index 9e4594c..cf96675 100644 --- a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts +++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts @@ -14,6 +14,12 @@ model = "Renesas M3ULCB board based on r8a7796"; compatible = "renesas,m3ulcb", "renesas,r8a7796"; + cpus { + idle-states { + /delete-node/ cpu-sleep-1; + }; + }; + memory@48000000 { device_type = "memory"; /* first 128MB is reserved for secure area. */ @@ -26,6 +32,22 @@ }; }; +&a53_0 { + /delete-property/ cpu-idle-states; +}; + +&a53_1 { + /delete-property/ cpu-idle-states; +}; + +&a53_2 { + /delete-property/ cpu-idle-states; +}; + +&a53_3 { + /delete-property/ cpu-idle-states; +}; + &du { clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,