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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 6FED4C388F7 for ; Wed, 28 Oct 2020 22:14:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0759D24724 for ; Wed, 28 Oct 2020 22:14:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fLVEWAwG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0759D24724 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mU6uLHBspjQ5i7SDbwENWIZqx/WOWn83Ilo9Z7YAq8Y=; b=fLVEWAwG8/GexXZRBYITwiBd2 U5L/8hkMRUWVQMXAXxQ1Aw5gl9naLQHTKdvKwQdVt3d5cpcej87ZWWijl5eFQmVjM8XppEVDtOwq6 tWG7lbkMsASpE+fZSWOcix4UzW+7PHlhB8Mxr5o4iaMCOUQ+Szps56kimNjFi6oAwnBpAcZISoreX nv7eozoapsWLXwBx0rq5KiB4OyWiJzTFEY//z5hS16tqHHW0kaCZfehk8YmklDem1BV8aTZhbuBCr HsJvTI6/Gb6/pqJ4oCdyGIFhvtlGqelIc0NcNRboQ2OKZgIsZYFpFUoQo7iT7XQajIh+vJyoPjOEN f2jb8m/BA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXtff-0005D2-Ro; Wed, 28 Oct 2020 22:11:56 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kXte1-0004cM-H6 for linux-arm-kernel@lists.infradead.org; Wed, 28 Oct 2020 22:10:18 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4E6E01764; Wed, 28 Oct 2020 15:10:13 -0700 (PDT) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 69C6D3F73C; Wed, 28 Oct 2020 15:10:12 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 11/26] coresight: etm4x: Always read the registers on the host CPU Date: Wed, 28 Oct 2020 22:09:30 +0000 Message-Id: <20201028220945.3826358-13-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201028220945.3826358-1-suzuki.poulose@arm.com> References: <20201028220945.3826358-1-suzuki.poulose@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201028_181013_722556_7EC0209F X-CRM114-Status: GOOD ( 10.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: coresight@lists.linaro.org, Suzuki K Poulose , linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, mike.leach@linaro.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org As we are about to add support for sysreg access to ETM4.4+ components, make sure that we read the registers only on the host CPU. Cc: Mike Leach Reviewed-by: Mathieu Poirier Signed-off-by: Suzuki K Poulose --- .../coresight/coresight-etm4x-sysfs.c | 23 ++++++++----------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index 989ce7b8ade7..c4781d4e5886 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -2344,23 +2344,20 @@ static u32 etmv4_cross_read(const struct device *dev, u32 offset) return reg.data; } -#define coresight_etm4x_reg(name, offset) \ - coresight_simple_reg32(struct etmv4_drvdata, name, offset) - #define coresight_etm4x_cross_read(name, offset) \ coresight_simple_func(struct etmv4_drvdata, etmv4_cross_read, \ name, offset) -coresight_etm4x_reg(trcpdcr, TRCPDCR); -coresight_etm4x_reg(trcpdsr, TRCPDSR); -coresight_etm4x_reg(trclsr, TRCLSR); -coresight_etm4x_reg(trcauthstatus, TRCAUTHSTATUS); -coresight_etm4x_reg(trcdevid, TRCDEVID); -coresight_etm4x_reg(trcdevtype, TRCDEVTYPE); -coresight_etm4x_reg(trcpidr0, TRCPIDR0); -coresight_etm4x_reg(trcpidr1, TRCPIDR1); -coresight_etm4x_reg(trcpidr2, TRCPIDR2); -coresight_etm4x_reg(trcpidr3, TRCPIDR3); +coresight_etm4x_cross_read(trcpdcr, TRCPDCR); +coresight_etm4x_cross_read(trcpdsr, TRCPDSR); +coresight_etm4x_cross_read(trclsr, TRCLSR); +coresight_etm4x_cross_read(trcauthstatus, TRCAUTHSTATUS); +coresight_etm4x_cross_read(trcdevid, TRCDEVID); +coresight_etm4x_cross_read(trcdevtype, TRCDEVTYPE); +coresight_etm4x_cross_read(trcpidr0, TRCPIDR0); +coresight_etm4x_cross_read(trcpidr1, TRCPIDR1); +coresight_etm4x_cross_read(trcpidr2, TRCPIDR2); +coresight_etm4x_cross_read(trcpidr3, TRCPIDR3); coresight_etm4x_cross_read(trcoslsr, TRCOSLSR); coresight_etm4x_cross_read(trcconfig, TRCCONFIGR); coresight_etm4x_cross_read(trctraceid, TRCTRACEIDR); -- 2.24.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel