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 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED1D5C54FB3 for ; Mon, 2 Jun 2025 10:49:14 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 635EA82045; Mon, 2 Jun 2025 12:49:13 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=quarantine dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id 6588F820EB; Mon, 2 Jun 2025 12:49:11 +0200 (CEST) Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 5493E81FFC for ; Mon, 2 Jun 2025 12:49:08 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=quarantine dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ycliang@andestech.com Received: from mail.andestech.com (ATCPCS34.andestech.com [10.0.1.134]) by Atcsqr.andestech.com with ESMTPS id 552Amq2D012396 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Mon, 2 Jun 2025 18:48:52 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from swlinux02 (10.0.15.183) by ATCPCS34.andestech.com (10.0.1.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 2 Jun 2025 18:48:52 +0800 Date: Mon, 2 Jun 2025 18:48:52 +0800 From: Leo Liang To: Yao Zi CC: Rick Chen , Tom Rini , Wei Fu , Yixun Lan , Ilias Apalodimas , Maksim Kiselev , Jaehoon Chung , Jerome Forissier , Sughosh Ganu , , Han Gao , Han Gao Subject: Re: [PATCH 2/5] riscv: cpu: th1520: Support cache enabling/disabling in M mode only Message-ID: References: <20250530094851.57198-1-ziyao@disroot.org> <20250530094851.57198-3-ziyao@disroot.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250530094851.57198-3-ziyao@disroot.org> User-Agent: Mutt/2.2.10 (e0e92c31) (2023-03-25) X-Originating-IP: [10.0.15.183] X-ClientProxiedBy: ATCPCS33.andestech.com (10.0.1.100) To ATCPCS34.andestech.com (10.0.1.134) X-DKIM-Results: atcpcs34.andestech.com; dkim=none; X-DNSRBL: X-MAIL: Atcsqr.andestech.com 552Amq2D012396 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Fri, May 30, 2025 at 09:48:48AM +0000, Yao Zi wrote: > [EXTERNAL MAIL] > > These operations rely on a customized M-mode CSR, MHCR, which isn't > available when running in S mode. > > Let's fallback to the generic weak stub when running in S mode to avoid > illegal accesses. > > Signed-off-by: Yao Zi > --- > arch/riscv/cpu/th1520/cache.c | 2 ++ > 1 file changed, 2 insertions(+) Reviewed-by: Leo Yu-Chi Liang