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coresight: trbe: Enable ACPI based TRBE devices

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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>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230829135405.1159449-3-anshuman.khandual@arm.com
This commit is contained in:
Anshuman Khandual 2023-08-29 19:24:05 +05:30 committed by Suzuki K Poulose
parent 4277f035d2
commit 17f8b216e0
2 changed files with 11 additions and 0 deletions
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9
drivers/hwtracing/coresight/coresight-trbe.c
View File

@ -1546,7 +1546,16 @@ 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),

2
drivers/hwtracing/coresight/coresight-trbe.h
View File

@ -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>