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coresight: trbe: Enable ACPI based TRBE devices 

JIRA: https://issues.redhat.com/browse/RHEL-21456

commit 17f8b216e02654a0b37127736ce78b32ccaa867b
Author: Anshuman Khandual <anshuman.khandual@arm.com>
Date: Tue, 29 Aug 2023 19:24:05 +0530

    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

Signed-off-by: Mark Salter <msalter@redhat.com>
This commit is contained in:
Mark Salter 2024-04-10 10:46:52 -04:00
parent 6c4326d1f8
commit ff75fb1d0b
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>