2023-10-09 17:33:30

by Rob Herring (Arm)

[permalink] [raw]
Subject: [PATCH] drivers/perf: xgene: Use device_get_match_data()

Use preferred device_get_match_data() instead of of_match_device() and
acpi_match_device() to get the driver match data. With this, adjust the
includes to explicitly include the correct headers.

Signed-off-by: Rob Herring <[email protected]>
---
drivers/perf/xgene_pmu.c | 37 +++++++++++++------------------------
1 file changed, 13 insertions(+), 24 deletions(-)

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 9972bfc11a5c..7ce344248dda 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>

@@ -1731,6 +1729,12 @@ 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 +1777,9 @@ 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 +1835,6 @@ 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 +1853,10 @@ 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;
--
2.42.0


2023-10-13 13:29:18

by Mark Rutland

[permalink] [raw]
Subject: Re: [PATCH] drivers/perf: xgene: Use device_get_match_data()

On Mon, Oct 09, 2023 at 12:29:09PM -0500, Rob Herring wrote:
> Use preferred device_get_match_data() instead of of_match_device() and
> acpi_match_device() to get the driver match data. With this, adjust the
> includes to explicitly include the correct headers.
>
> Signed-off-by: Rob Herring <[email protected]>

Acked-by: Mark Rutland <[email protected]>

I assume that Will can pick this up.

Mark.

> ---
> drivers/perf/xgene_pmu.c | 37 +++++++++++++------------------------
> 1 file changed, 13 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
> index 9972bfc11a5c..7ce344248dda 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>
>
> @@ -1731,6 +1729,12 @@ 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 +1777,9 @@ 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 +1835,6 @@ 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 +1853,10 @@ 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;
> --
> 2.42.0
>

2023-10-17 13:11:24

by Will Deacon

[permalink] [raw]
Subject: Re: [PATCH] drivers/perf: xgene: Use device_get_match_data()

On Mon, 9 Oct 2023 12:29:09 -0500, Rob Herring wrote:
> Use preferred device_get_match_data() instead of of_match_device() and
> acpi_match_device() to get the driver match data. With this, adjust the
> includes to explicitly include the correct headers.
>
>

Applied to will (for-next/perf), thanks!

[1/1] drivers/perf: xgene: Use device_get_match_data()
https://git.kernel.org/will/c/1f33cdef8ca1

Cheers,
--
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev