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From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     linux-kernel@vger.kernel.org
Cc:     tglx@linutronix.de, Peter Zijlstra <peterz@infradead.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Mike Leach <mike.leach@linaro.org>,
        Leo Yan <leo.yan@linaro.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 14/38] coresight: Replace deprecated CPU-hotplug functions.
Date:   Tue,  3 Aug 2021 16:15:57 +0200
Message-Id: <20210803141621.780504-15-bigeasy@linutronix.de>
In-Reply-To: <20210803141621.780504-1-bigeasy@linutronix.de>
References: <20210803141621.780504-1-bigeasy@linutronix.de>
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The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().

Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 drivers/hwtracing/coresight/coresight-cpu-debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hw=
tracing/coresight/coresight-cpu-debug.c
index 9731d3a960735..00de46565bc40 100644
--- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
+++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
@@ -588,11 +588,11 @@ static int debug_probe(struct amba_device *adev, cons=
t struct amba_id *id)
=20
 	drvdata->base =3D base;
=20
-	get_online_cpus();
+	cpus_read_lock();
 	per_cpu(debug_drvdata, drvdata->cpu) =3D drvdata;
 	ret =3D smp_call_function_single(drvdata->cpu, debug_init_arch_data,
 				       drvdata, 1);
-	put_online_cpus();
+	cpus_read_unlock();
=20
 	if (ret) {
 		dev_err(dev, "CPU%d debug arch init failed\n", drvdata->cpu);
--=20
2.32.0