Commit e85930f0 authored by Gowthami Thiagarajan's avatar Gowthami Thiagarajan Committed by Will Deacon
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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: default avatarGowthami Thiagarajan <gthiagarajan@marvell.com>
Link: https://lore.kernel.org/r/20221209053607.3929964-1-gthiagarajan@marvell.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent bb21ef19

drivers/perf/marvell_cn10k_ddr_pmu.c

+10 −0
Original line number Diff line number Diff line
@@ -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,