From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com
Cc: yangyicong@huawei.com,
Anshuman Khandual <anshuman.khandual@arm.com>,
Sami Mujawar <sami.mujawar@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
James Clark <james.clark@arm.com>,
coresight@lists.linaro.org, linux-kernel@vger.kernel.org
Subject: [PATCH V4 4/4] coresight: trbe: Enable ACPI based TRBE devices
Date: Tue, 8 Aug 2023 13:52:47 +0530 [thread overview]
Message-ID: <20230808082247.383405-5-anshuman.khandual@arm.com> (raw)
In-Reply-To: <20230808082247.383405-1-anshuman.khandual@arm.com>
This detects and enables ACPI based TRBE devices via the dummy platform
device created earlier for this purpose.
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
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
drivers/hwtracing/coresight/coresight-trbe.c | 9 +++++++++
drivers/hwtracing/coresight/coresight-trbe.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index 9455d62ca620..9c59e2652b20 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1548,7 +1548,16 @@ static const struct of_device_id arm_trbe_of_match[] = {
};
MODULE_DEVICE_TABLE(of, arm_trbe_of_match);
+#ifdef CONFIG_ACPI
+static const struct platform_device_id arm_trbe_acpi_match[] = {
+ { ARMV8_TRBE_PDEV_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(platform, arm_trbe_acpi_match);
+#endif
+
static struct platform_driver arm_trbe_driver = {
+ .id_table = ACPI_PTR(arm_trbe_acpi_match),
.driver = {
.name = DRVNAME,
.of_match_table = of_match_ptr(arm_trbe_of_match),
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
index 77cbb5c63878..fce1735d5c58 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.h
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -7,11 +7,13 @@
*
* Author: Anshuman Khandual <anshuman.khandual@arm.com>
*/
+#include <linux/acpi.h>
#include <linux/coresight.h>
#include <linux/device.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/of.h>
+#include <linux/perf/arm_pmu.h>
#include <linux/platform_device.h>
#include <linux/smp.h>
--
2.25.1
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prev parent reply other threads:[~2023-08-08 8:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-08 8:22 [PATCH V4 0/4] coresight: trbe: Enable ACPI based devices Anshuman Khandual
2023-08-08 8:22 ` [PATCH V4 1/4] arm_pmu: acpi: Refactor arm_spe_acpi_register_device() Anshuman Khandual
2023-08-08 8:48 ` Suzuki K Poulose
2023-08-08 13:16 ` Will Deacon
2023-08-09 12:54 ` Suzuki K Poulose
2023-08-11 5:02 ` Anshuman Khandual
2023-08-11 10:19 ` Will Deacon
2023-08-16 6:56 ` Anshuman Khandual
2023-08-11 8:43 ` Anshuman Khandual
2023-08-11 10:12 ` Will Deacon
2023-08-11 10:25 ` Anshuman Khandual
2023-08-11 11:00 ` Will Deacon
2023-08-16 6:30 ` Anshuman Khandual
2023-08-08 8:22 ` [PATCH V4 2/4] arm_pmu: acpi: Add a representative platform device for TRBE Anshuman Khandual
2023-08-08 8:22 ` [PATCH V4 3/4] coresight: trbe: Add a representative coresight_platform_data " Anshuman Khandual
2023-08-08 8:22 ` Anshuman Khandual [this message]
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