diff mbox series

[v5,4/4] perf: arm_spe: Enable ACPI/Platform automatic module loading

Message ID 20190626213718.39423-5-jeremy.linton@arm.com
State Accepted
Commit d482e575fbf0f7ec9319bded951f21bbc84312bf
Headers show
Series [v5,1/4] ACPI/PPTT: Modify node flag detection to find last IDENTICAL | expand

Commit Message

Jeremy Linton June 26, 2019, 9:37 p.m. UTC 
Lets add the MODULE_TABLE and platform id_table entries so that
the SPE driver can attach to the ACPI platform device created by
the core pmu code.

Tested-by: Hanjun Gou <gouhanjun@huawei.com>

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>

---
 drivers/perf/arm_spe_pmu.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

-- 
2.21.0
diff mbox series

Patch

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 49b490925255..4e4984a55cd1 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -27,6 +27,7 @@ 
 #include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/perf_event.h>
+#include <linux/perf/arm_pmu.h>
 #include <linux/platform_device.h>
 #include <linux/printk.h>
 #include <linux/slab.h>
@@ -1157,7 +1158,13 @@  static const struct of_device_id arm_spe_pmu_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, arm_spe_pmu_of_match);
 
-static int arm_spe_pmu_device_dt_probe(struct platform_device *pdev)
+static const struct platform_device_id arm_spe_match[] = {
+	{ ARMV8_SPE_PDEV_NAME, 0},
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, arm_spe_match);
+
+static int arm_spe_pmu_device_probe(struct platform_device *pdev)
 {
 	int ret;
 	struct arm_spe_pmu *spe_pmu;
@@ -1217,11 +1224,12 @@  static int arm_spe_pmu_device_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver arm_spe_pmu_driver = {
+	.id_table = arm_spe_match,
 	.driver	= {
 		.name		= DRVNAME,
 		.of_match_table	= of_match_ptr(arm_spe_pmu_of_match),
 	},
-	.probe	= arm_spe_pmu_device_dt_probe,
+	.probe	= arm_spe_pmu_device_probe,
 	.remove	= arm_spe_pmu_device_remove,
 };