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Thu, 14 Aug 2025 03:51:20 -0700 (PDT) Received: from ho-tower-lan.lan ([185.48.76.109]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45a1b226eecsm14228345e9.1.2025.08.14.03.51.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Aug 2025 03:51:20 -0700 (PDT) From: James Clark Date: Thu, 14 Aug 2025 11:49:52 +0100 Subject: [PATCH v2 1/6] coresight: Change syncfreq to be a u8 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250814-james-cs-syncfreq-v2-1-c76fcb87696d@linaro.org> References: <20250814-james-cs-syncfreq-v2-0-c76fcb87696d@linaro.org> In-Reply-To: <20250814-james-cs-syncfreq-v2-0-c76fcb87696d@linaro.org> To: Suzuki K Poulose , Mike Leach , Alexander Shishkin , Jonathan Corbet , Leo Yan Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, James Clark X-Mailer: b4 0.14.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250814_035122_661382_268ECDE7 X-CRM114-Status: GOOD ( 12.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org TRCSYNCPR.PERIOD is the only functional part of TRCSYNCPR and it only has 5 valid bits so it can be stored in a u8. Signed-off-by: James Clark --- drivers/hwtracing/coresight/coresight-etm4x.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index ac649515054d..746627476bd3 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -824,7 +824,6 @@ struct etmv4_config { u32 eventctrl1; u32 stall_ctrl; u32 ts_ctrl; - u32 syncfreq; u32 ccctlr; u32 bb_ctrl; u32 vinst_ctrl; @@ -832,6 +831,7 @@ struct etmv4_config { u32 vissctlr; u32 vipcssctlr; u8 seq_idx; + u8 syncfreq; u32 seq_ctrl[ETM_MAX_SEQ_STATES]; u32 seq_rst; u32 seq_state; -- 2.34.1