[PATCH 25/25] coresight: acpi: Support for components

Suzuki K Poulose
2019-03-20T18:50:57Z

All AMBA devices are handled via ACPI AMBA scan notifier
infrastructure. The platform devices get the ACPI id
added to their driver.

Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/acpi/acpi_amba.c | 9 +++++++++
drivers/hwtracing/coresight/coresight-replicator.c | 9 ++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c
index 7f77c07..eef5a69 100644
--- a/drivers/acpi/acpi_amba.c
+++ b/drivers/acpi/acpi_amba.c
@@ -24,6 +24,15 @@

static const struct acpi_device_id amba_id_list[] = {
{"ARMH0061", 0}, /* PL061 GPIO Device */
+ {"ARMHC500", 0}, /* ARM CoreSight ETM4x */
+ {"ARMHC501", 0}, /* ARM CoreSight ETR */
+ {"ARMHC502", 0}, /* ARM CoreSight STM */
+ {"ARMHC503", 0}, /* ARM CoreSight Debug */
+ {"ARMHC979", 0}, /* ARM CoreSight TPIU */
+ {"ARMHC97C", 0}, /* ARM CoreSight SoC-400 TMC, SoC-600 ETF/ETB */
+ {"ARMHC98D", 0}, /* ARM CoreSight Dynamic Replicator */
+ {"ARMHC9CA", 0}, /* ARM CoreSight CATU */
+ {"ARMHC9FF", 0}, /* ARM CoreSight Funnel */
{"", 0},
};

diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 7b937c0..11b1978 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -5,6 +5,7 @@
* Description: CoreSight Replicator driver
*/

+#include <linux/acpi.h>
#include <linux/amba/bus.h>
#include <linux/kernel.h>
#include <linux/device.h>
@@ -288,11 +289,17 @@ static const struct of_device_id static_replicator_match[] = {
{}
};

+#ifdef CONFIG_ACPI
+static const struct acpi_device_id static_replicator_acpi_ids[] = {
+ {"ARMHC985", 0}, /* ARM CoreSight Static Replicator */
+};
+#endif
static struct platform_driver static_replicator_driver = {
.probe = static_replicator_probe,
.driver = {
.name = "coresight-replicator",
- .of_match_table = static_replicator_match,
+ .of_match_table = of_match_ptr(static_replicator_match),
+ .acpi_match_table = ACPI_PTR(static_replicator_acpi_ids),
.pm = &replicator_dev_pm_ops,
.suppress_bind_attrs = true,
},
--
2.7.4