linux-kernel - [PATCH v2 33/36] coresight: acpi: Support for components

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Message-Id: <1555344260-12375-34-git-send-email-suzuki.poulose@arm.com>
Date:   Mon, 15 Apr 2019 17:04:16 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        mathieu.poirier@...aro.org, mike.leach@...aro.org,
        rjw@...ysocki.net, robert.walker@....com,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: [PATCH v2 33/36] coresight: acpi: Support for components

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@...ysocki.net>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....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 2eb489c..a8f42df 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>
@@ -290,11 +291,17 @@ 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