[PATCH 4/4][Eoan] perf: arm_spe: Enable ACPI/Platform automatic module loading
dann frazier
dann.frazier at canonical.com
Tue Aug 27 02:02:19 UTC 2019
From: Jeremy Linton <jeremy.linton at arm.com>
BugLink: https://bugs.launchpad.net/bugs/1841490
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 at linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla at arm.com>
Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
Signed-off-by: Will Deacon <will at kernel.org>
(cherry picked from commit d482e575fbf0f7ec9319bded951f21bbc84312bf)
Signed-off-by: dann frazier <dann.frazier at canonical.com>
---
drivers/perf/arm_spe_pmu.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 49b4909252555..4e4984a55cd1b 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,
};
--
2.23.0
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