From patchwork Fri Aug 17 13:19:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulrich Hecht X-Patchwork-Id: 10568757 X-Patchwork-Delegate: horms@verge.net.au 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 B03261575 for ; Fri, 17 Aug 2018 13:19:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A0E6C2B7FA for ; Fri, 17 Aug 2018 13:19:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 958912B80B; Fri, 17 Aug 2018 13:19:49 +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=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 3D2392B803 for ; Fri, 17 Aug 2018 13:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727383AbeHQQXL (ORCPT ); Fri, 17 Aug 2018 12:23:11 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([85.215.255.81]:19241 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727037AbeHQQXL (ORCPT ); Fri, 17 Aug 2018 12:23:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1534511986; 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=LN0QDoc7PaMf844I1H1ny62Ij4huALOkRJFqFpYeYXtMii7+CjOesFjEk2K1FrnIQh eilr9CTeXn2JBif60V1pL67MMWpd9qGnx+3SMIA3ij+QcdexSPso41FtTGvXngWtOdSE 01oBFI3dq7+P+YlQJ3UCzyotJCe1FOESFhHDSIrPDMhjTYNfgtQ/FnPdq3MS3rFB4YW+ +6jo45rkJ3L5TrTy8Eb0vHy0193seNehmN9+m5GmkCzIIOeRjNUAJMDH15j0gJjRoocB sG0uFsoiuj8PjBqnfe0AkXnfcmwk7nD9o/xTs7G5DspHYwxqj8VQVvua5VQfbypMHBzs Tc/w== X-RZG-AUTH: ":OWANVUa4dPFUgKR/3dpvnYP0Np73dmm4I5W0/AvJ5qUpzBvsMmfMQqXtRAup" X-RZG-CLASS-ID: mo00 Received: from groucho.site by smtp.strato.de (RZmta 43.18 DYNA|AUTH) with ESMTPSA id w02b1cu7HDJa9wS (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, 17 Aug 2018 15:19:36 +0200 (CEST) From: Ulrich Hecht To: linux-renesas-soc@vger.kernel.org Cc: horms@verge.net.au, geert@linux-m68k.org, khiem.nguyen.xt@rvc.renesas.com, dien.pham.ry@renesas.com, takeshi.kihara.df@renesas.com, Ulrich Hecht Subject: [PATCH 5/5] arm64: dts: r8a7796-m3ulcb: Disable cpuidle support for CA53 cores Date: Fri, 17 Aug 2018 15:19:28 +0200 Message-Id: <1534511968-19634-6-git-send-email-uli+renesas@fpond.eu> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534511968-19634-1-git-send-email-uli+renesas@fpond.eu> References: <1534511968-19634-1-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>,