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perf/marvell: Add ACPI support to DDR uncore driver

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

Signed-off-by: Gowthami Thiagarajan <gthiagarajan@marvell.com>
Link: https://lore.kernel.org/r/20221209053607.3929964-1-gthiagarajan@marvell.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Gowthami Thiagarajan 2022-12-09 11:06:07 +05:30 committed by Will Deacon
parent bb21ef19a3
commit e85930f06f
1 changed files with 10 additions and 0 deletions
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10
drivers/perf/marvell_cn10k_ddr_pmu.c
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@ -12,6 +12,7 @@
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/perf_event.h> #include <linux/perf_event.h>
#include <linux/hrtimer.h> #include <linux/hrtimer.h>
#include <linux/acpi.h>
/* Performance Counters Operating Mode Control Registers */ /* Performance Counters Operating Mode Control Registers */
#define DDRC_PERF_CNT_OP_MODE_CTRL 0x8020 #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); MODULE_DEVICE_TABLE(of, cn10k_ddr_pmu_of_match);
#endif #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 = { static struct platform_driver cn10k_ddr_pmu_driver = {
.driver = { .driver = {
.name = "cn10k-ddr-pmu", .name = "cn10k-ddr-pmu",
.of_match_table = of_match_ptr(cn10k_ddr_pmu_of_match), .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, .suppress_bind_attrs = true,
}, },
.probe = cn10k_ddr_perf_probe, .probe = cn10k_ddr_perf_probe,