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Wed, 12 Nov 2025 07:22:30 -0800 (PST) Received: from ho-tower-lan.lan ([185.48.77.170]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42ac677ab75sm33573485f8f.35.2025.11.12.07.22.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Nov 2025 07:22:29 -0800 (PST) From: James Clark Date: Wed, 12 Nov 2025 15:22:07 +0000 Subject: [PATCH v4 01/13] coresight: Change syncfreq to be a u8 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251112-james-cs-syncfreq-v4-1-165ba21401dc@linaro.org> References: <20251112-james-cs-syncfreq-v4-0-165ba21401dc@linaro.org> In-Reply-To: <20251112-james-cs-syncfreq-v4-0-165ba21401dc@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-20251112_072232_005853_73053D85 X-CRM114-Status: GOOD ( 12.15 ) 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. Reviewed-by: Mike Leach 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 8d4a1f0f1e52..56a359184c6f 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -826,7 +826,6 @@ struct etmv4_config { u32 eventctrl1; u32 stall_ctrl; u32 ts_ctrl; - u32 syncfreq; u32 ccctlr; u32 bb_ctrl; u32 vinst_ctrl; @@ -834,6 +833,7 @@ 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