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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 2E8E8C433DB for ; Thu, 7 Jan 2021 12:42:08 +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 E82A523371 for ; Thu, 7 Jan 2021 12:42:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E82A523371 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=Zfedx4jQ/a/GFsarH1nJUYJ2y XFCjgSbh1luGk56jHInwEEsLj6AH3c82UuBMmoPWE51+mHLE1unYlc89fA+WJHzGKWgdlsbeXOLKg OtC5O+WzT88w2wJ0BJg0yQhZIJBapeqG4l4dQbvwQuonqpr6suBPt0Bg7Y9zdPCeoKD7WDZPbJ+qD xZ7f6OK19Ot2eN5sd8mn/hN4hrAd8uRfhv08Na5a7rSPFOv59TOQyWytaGF7/UJt4MZwZQzUR7RAd GZxkETHe2t5TVdThul1fcA04V8URsdPC2sL8PbSLRqUNVPedWiMnVkh+QiJRmdkvKIgwqs3CHVWaJ tIxWJC+Uw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kxUaP-0006h3-1P; Thu, 07 Jan 2021 12:40:17 +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 1kxUZY-0006LT-NL for linux-arm-kernel@lists.infradead.org; Thu, 07 Jan 2021 12:39:26 +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 4FAC013A1; Thu, 7 Jan 2021 04:39:24 -0800 (PST) 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 35B3C3F719; Thu, 7 Jan 2021 04:39:23 -0800 (PST) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 07/26] coresight: etm4x: Always read the registers on the host CPU Date: Thu, 7 Jan 2021 12:38:40 +0000 Message-Id: <20210107123859.674252-8-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210107123859.674252-1-suzuki.poulose@arm.com> References: <20210107123859.674252-1-suzuki.poulose@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210107_073924_869916_04841AAB X-CRM114-Status: UNSURE ( 9.71 ) X-CRM114-Notice: Please train this message. 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: mathieu.poirier@linaro.org, anshuman.khandual@arm.com, coresight@lists.linaro.org, Suzuki K Poulose , linux-kernel@vger.kernel.org, leo.yan@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