[RFC,3/3] perf: arm_spe: Enable ACPI/Platform automatic module loading

Message ID 20190209004718.3292087-4-jeremy.linton@arm.com
State New
Headers show
Series
  • [RFC,1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.
Related show

Commit Message

Jeremy Linton Feb. 9, 2019, 12:47 a.m.
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.

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

---
 drivers/perf/arm_spe_pmu.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

-- 
2.17.2

Comments

Sudeep Holla Feb. 11, 2019, 3:35 p.m. | #1
On Fri, Feb 08, 2019 at 06:47:18PM -0600, Jeremy Linton wrote:
> 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.

>


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

Patch

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 8e46a9dad2fa..9be11d814fa5 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -1176,7 +1176,13 @@  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[] = {
+	{ "arm,spe-v1", 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;
@@ -1236,11 +1242,12 @@  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,
 };