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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E310C433FE for ; Wed, 2 Feb 2022 16:03:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345733AbiBBQDm (ORCPT ); Wed, 2 Feb 2022 11:03:42 -0500 Received: from foss.arm.com ([217.140.110.172]:39946 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343607AbiBBQDc (ORCPT ); Wed, 2 Feb 2022 11:03:32 -0500 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 4E62311FB; Wed, 2 Feb 2022 08:03:32 -0800 (PST) Received: from e121896.Emea.Arm.com (e121896.Emea.Arm.com [10.32.36.26]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6C2423F73B; Wed, 2 Feb 2022 08:03:30 -0800 (PST) From: James Clark To: mathieu.poirier@linaro.org, coresight@lists.linaro.org Cc: suzuki.poulose@arm.com, leo.yan@linaro.com, mike.leach@linaro.org, James Clark , Leo Yan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 15/15] coresight: Make ETM4x TRCRSCTLRn register accesses consistent with sysreg.h Date: Wed, 2 Feb 2022 16:02:25 +0000 Message-Id: <20220202160226.37858-16-james.clark@arm.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20220202160226.37858-1-james.clark@arm.com> References: <20220202160226.37858-1-james.clark@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a no-op change for style and consistency and has no effect on the binary produced by gcc-11. Signed-off-by: James Clark --- drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 7 +++++-- drivers/hwtracing/coresight/coresight-etm4x.h | 9 +++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index a0cdd2cd978a..c876a63fa84d 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -1728,8 +1728,11 @@ static ssize_t res_ctrl_store(struct device *dev, /* For odd idx pair inversal bit is RES0 */ if (idx % 2 != 0) /* PAIRINV, bit[21] */ - val &= ~BIT(21); - config->res_ctrl[idx] = val & GENMASK(21, 0); + val &= ~TRCRSCTLRn_PAIRINV; + config->res_ctrl[idx] = val & (TRCRSCTLRn_PAIRINV | + TRCRSCTLRn_INV | + (TRCRSCTLRn_GROUP_MASK << TRCRSCTLRn_GROUP_SHIFT) | + (TRCRSCTLRn_SELECT_MASK << TRCRSCTLRn_SELECT_SHIFT)); spin_unlock(&drvdata->spinlock); return size; } diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index 4d943faade33..dd2156a5e70b 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -258,6 +258,15 @@ #define TRCBBCTLR_RANGE_SHIFT 0 #define TRCBBCTLR_RANGE_MASK GENMASK(7, 0) +#define TRCRSCTLRn_PAIRINV BIT(21) +#define TRCRSCTLRn_INV BIT(20) +#define TRCRSCTLRn_GROUP_SHIFT 16 +#define TRCRSCTLRn_GROUP_MASK GENMASK(3, 0) +#define TRCRSCTLRn_SELECT_SHIFT 0 +#define TRCRSCTLRn_SELECT_MASK GENMASK(15, 0) + + + /* * System instructions to access ETM registers. * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions -- 2.28.0