perf: arm_spe: Enable ACPI/Platform automatic module loading
authorJeremy Linton <jeremy.linton@arm.com>
Wed, 26 Jun 2019 21:37:18 +0000 (16:37 -0500)
committerWill Deacon <will@kernel.org>
Thu, 27 Jun 2019 15:53:53 +0000 (16:53 +0100)
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 Guo <hanjun.guo@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/arm_spe_pmu.c

index e120f933412a720ec07b5a5fcc69f111dd1b3100..4fb65c61c8eab102c7dd8d3205f039a1a65997a5 100644 (file)
@@ -38,6 +38,7 @@
 #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>
@@ -1168,7 +1169,13 @@ 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;
@@ -1228,11 +1235,12 @@ 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,
 };