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 6CB3EC433EF for ; Thu, 3 Feb 2022 12:07:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245613AbiBCMHC (ORCPT ); Thu, 3 Feb 2022 07:07:02 -0500 Received: from foss.arm.com ([217.140.110.172]:42656 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350436AbiBCMGq (ORCPT ); Thu, 3 Feb 2022 07:06:46 -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 7027111D4; Thu, 3 Feb 2022 04:06:46 -0800 (PST) Received: from e121896.arm.com (unknown [10.57.13.234]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E93953F774; Thu, 3 Feb 2022 04:06:44 -0800 (PST) From: James Clark To: suzuki.poulose@arm.com, mathieu.poirier@linaro.org, coresight@lists.linaro.org Cc: 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 v2 14/15] coresight: Make ETM4x TRCBBCTLR register accesses consistent with sysreg.h Date: Thu, 3 Feb 2022 12:06:02 +0000 Message-Id: <20220203120604.128396-15-james.clark@arm.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20220203120604.128396-1-james.clark@arm.com> References: <20220203120604.128396-1-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 | 5 +++-- drivers/hwtracing/coresight/coresight-etm4x.h | 4 ++++ 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index 682819467755..a0cdd2cd978a 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -707,10 +707,11 @@ static ssize_t bb_ctrl_store(struct device *dev, * individual range comparators. If include then at least 1 * range must be selected. */ - if ((val & BIT(8)) && (BMVAL(val, 0, 7) == 0)) + if ((val & TRCBBCTLR_MODE) && (REG_VAL(val, TRCBBCTLR_RANGE) == 0)) return -EINVAL; - config->bb_ctrl = val & GENMASK(8, 0); + config->bb_ctrl = val & (TRCBBCTLR_MODE | + (TRCBBCTLR_RANGE_MASK << TRCBBCTLR_RANGE_SHIFT)); return size; } static DEVICE_ATTR_RW(bb_ctrl); diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index 9d0978540338..4d943faade33 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -254,6 +254,10 @@ #define TRCSSPCICRn_PC_SHIFT 0 #define TRCSSPCICRn_PC_MASK GENMASK(7, 0) +#define TRCBBCTLR_MODE BIT(8) +#define TRCBBCTLR_RANGE_SHIFT 0 +#define TRCBBCTLR_RANGE_MASK GENMASK(7, 0) + /* * System instructions to access ETM registers. * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions -- 2.28.0