| Message ID | 1687246361-23607-2-git-send-email-quic_taozha@quicinc.com (mailing list archive) |
|---|---|
| State | New, archived |
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From: Tao Zhang <quic_taozha@quicinc.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
Suzuki K Poulose
<suzuki.poulose@arm.com>,
Alexander Shishkin
<alexander.shishkin@linux.intel.com>,
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CC: Tao Zhang <quic_taozha@quicinc.com>,
Jinlong Mao
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Tingwei Zhang <quic_tingweiz@quicinc.com>,
Yuanfang Zhang <quic_yuanfang@quicinc.com>,
Trilok Soni
<quic_tsoni@quicinc.com>,
Hao Zhang <quic_hazha@quicinc.com>, <linux-arm-msm@vger.kernel.org>,
<andersson@kernel.org>
Subject: [PATCH v6 01/13] coresight-tpdm: Remove the unnecessary lock
Date: Tue, 20 Jun 2023 15:32:29 +0800
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|
| Series |
Add support to configure TPDM DSB subunit
|
expand
|
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c index f4854af..b645612 100644 --- a/drivers/hwtracing/coresight/coresight-tpdm.c +++ b/drivers/hwtracing/coresight/coresight-tpdm.c @@ -114,11 +114,9 @@ static void tpdm_init_default_data(struct tpdm_drvdata *drvdata) { u32 pidr; - CS_UNLOCK(drvdata->base); /* Get the datasets present on the TPDM. */ pidr = readl_relaxed(drvdata->base + CORESIGHT_PERIPHIDR0); drvdata->datasets |= pidr & GENMASK(TPDM_DATASETS - 1, 0); - CS_LOCK(drvdata->base); } /*
Remove the unnecessary lock "CS_{UN,}LOCK" in TPDM driver. This lock is only needed while writing the data to Coresight registers. Signed-off-by: Tao Zhang <quic_taozha@quicinc.com> --- drivers/hwtracing/coresight/coresight-tpdm.c | 2 -- 1 file changed, 2 deletions(-)