summaryrefslogtreecommitdiff
path: root/drivers/perf/xgene_pmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/perf/xgene_pmu.c')
-rw-r--r--drivers/perf/xgene_pmu.c53
1 files changed, 16 insertions, 37 deletions
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 9972bfc11a5c..33b5497bdc06 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -16,11 +16,9 @@
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of_address.h>
-#include <linux/of_fdt.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
#include <linux/perf_event.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -164,18 +162,9 @@ enum xgene_pmu_dev_type {
/*
* sysfs format attributes
*/
-static ssize_t xgene_pmu_format_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct dev_ext_attribute *eattr;
-
- eattr = container_of(attr, struct dev_ext_attribute, attr);
- return sysfs_emit(buf, "%s\n", (char *) eattr->var);
-}
-
#define XGENE_PMU_FORMAT_ATTR(_name, _config) \
(&((struct dev_ext_attribute[]) { \
- { .attr = __ATTR(_name, S_IRUGO, xgene_pmu_format_show, NULL), \
+ { .attr = __ATTR(_name, S_IRUGO, device_show_string, NULL), \
.var = (void *) _config, } \
})[0].attr.attr)
@@ -1104,6 +1093,7 @@ static int xgene_init_perf(struct xgene_pmu_dev *pmu_dev, char *name)
/* Perf driver registration */
pmu_dev->pmu = (struct pmu) {
+ .parent = pmu_dev->parent->dev,
.attr_groups = pmu_dev->attr_groups,
.task_ctx_nr = perf_invalid_context,
.pmu_enable = xgene_perf_pmu_enable,
@@ -1731,6 +1721,12 @@ static const struct xgene_pmu_data xgene_pmu_v2_data = {
.id = PCP_PMU_V2,
};
+#ifdef CONFIG_ACPI
+static const struct xgene_pmu_data xgene_pmu_v3_data = {
+ .id = PCP_PMU_V3,
+};
+#endif
+
static const struct xgene_pmu_ops xgene_pmu_ops = {
.mask_int = xgene_pmu_mask_int,
.unmask_int = xgene_pmu_unmask_int,
@@ -1773,9 +1769,9 @@ static const struct of_device_id xgene_pmu_of_match[] = {
MODULE_DEVICE_TABLE(of, xgene_pmu_of_match);
#ifdef CONFIG_ACPI
static const struct acpi_device_id xgene_pmu_acpi_match[] = {
- {"APMC0D5B", PCP_PMU_V1},
- {"APMC0D5C", PCP_PMU_V2},
- {"APMC0D83", PCP_PMU_V3},
+ {"APMC0D5B", (kernel_ulong_t)&xgene_pmu_data},
+ {"APMC0D5C", (kernel_ulong_t)&xgene_pmu_v2_data},
+ {"APMC0D83", (kernel_ulong_t)&xgene_pmu_v3_data},
{},
};
MODULE_DEVICE_TABLE(acpi, xgene_pmu_acpi_match);
@@ -1831,7 +1827,6 @@ static int xgene_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node)
static int xgene_pmu_probe(struct platform_device *pdev)
{
const struct xgene_pmu_data *dev_data;
- const struct of_device_id *of_id;
struct xgene_pmu *xgene_pmu;
int irq, rc;
int version;
@@ -1850,24 +1845,10 @@ static int xgene_pmu_probe(struct platform_device *pdev)
xgene_pmu->dev = &pdev->dev;
platform_set_drvdata(pdev, xgene_pmu);
- version = -EINVAL;
- of_id = of_match_device(xgene_pmu_of_match, &pdev->dev);
- if (of_id) {
- dev_data = (const struct xgene_pmu_data *) of_id->data;
- version = dev_data->id;
- }
-
-#ifdef CONFIG_ACPI
- if (ACPI_COMPANION(&pdev->dev)) {
- const struct acpi_device_id *acpi_id;
-
- acpi_id = acpi_match_device(xgene_pmu_acpi_match, &pdev->dev);
- if (acpi_id)
- version = (int) acpi_id->driver_data;
- }
-#endif
- if (version < 0)
+ dev_data = device_get_match_data(&pdev->dev);
+ if (!dev_data)
return -ENODEV;
+ version = dev_data->id;
if (version == PCP_PMU_V3)
xgene_pmu->ops = &xgene_pmu_v3_ops;
@@ -1948,7 +1929,7 @@ xgene_pmu_dev_cleanup(struct xgene_pmu *xgene_pmu, struct list_head *pmus)
}
}
-static int xgene_pmu_remove(struct platform_device *pdev)
+static void xgene_pmu_remove(struct platform_device *pdev)
{
struct xgene_pmu *xgene_pmu = dev_get_drvdata(&pdev->dev);
@@ -1958,8 +1939,6 @@ static int xgene_pmu_remove(struct platform_device *pdev)
xgene_pmu_dev_cleanup(xgene_pmu, &xgene_pmu->mcpmus);
cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_APM_XGENE_ONLINE,
&xgene_pmu->node);
-
- return 0;
}
static struct platform_driver xgene_pmu_driver = {