2022-12-09 06:04:04

by Gowthami Thiagarajan

Subject: [PATCH] perf/marvell: Add ACPI support to DDR uncore driver

Add support for ACPI based device registration so that the driver
can be also enabled through ACPI table.

Signed-off-by: Gowthami Thiagarajan <[email protected]>
---
drivers/perf/marvell_cn10k_ddr_pmu.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c b/drivers/perf/marvell_cn10k_ddr_pmu.c
index 665b382a0ee3..b94a5f6cc22b 100644
--- a/drivers/perf/marvell_cn10k_ddr_pmu.c
+++ b/drivers/perf/marvell_cn10k_ddr_pmu.c
@@ -12,6 +12,7 @@
#include <linux/of_device.h>
#include <linux/perf_event.h>
#include <linux/hrtimer.h>
+#include <linux/acpi.h>

/* Performance Counters Operating Mode Control Registers */
#define DDRC_PERF_CNT_OP_MODE_CTRL 0x8020
@@ -717,10 +718,19 @@ static const struct of_device_id cn10k_ddr_pmu_of_match[] = {
MODULE_DEVICE_TABLE(of, cn10k_ddr_pmu_of_match);
#endif

+#ifdef CONFIG_ACPI
+static const struct acpi_device_id cn10k_ddr_pmu_acpi_match[] = {
+ {"MRVL000A", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, cn10k_ddr_pmu_acpi_match);
+#endif
+
static struct platform_driver cn10k_ddr_pmu_driver = {
.driver = {
.name = "cn10k-ddr-pmu",
.of_match_table = of_match_ptr(cn10k_ddr_pmu_of_match),
+ .acpi_match_table = ACPI_PTR(cn10k_ddr_pmu_acpi_match),
.suppress_bind_attrs = true,
},
.probe = cn10k_ddr_perf_probe,
--
2.25.1

2023-01-19 19:52:37

by Will Deacon

Subject: Re: [PATCH] perf/marvell: Add ACPI support to DDR uncore driver

On Fri, 9 Dec 2022 11:06:07 +0530, Gowthami Thiagarajan wrote:
> Add support for ACPI based device registration so that the driver
> can be also enabled through ACPI table.
>
>

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

[1/1] perf/marvell: Add ACPI support to DDR uncore driver
https://git.kernel.org/will/c/e85930f06f0e

Cheers,
--
Will

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