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authorGowthami Thiagarajan <gthiagarajan@marvell.com>2022-12-09 11:06:07 +0530
committerWill Deacon <will@kernel.org>2023-01-19 18:30:21 +0000
commite85930f06f0e938bfeb6e081526da86a784cb907 (patch)
treeb23c30482f764640bde6b838d30f4bc458fe5051 /drivers/perf
parentbb21ef19a3d8f586a99310116d40622fb5b79942 (diff)
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 <gthiagarajan@marvell.com> Link: https://lore.kernel.org/r/20221209053607.3929964-1-gthiagarajan@marvell.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/marvell_cn10k_ddr_pmu.c10
1 files changed, 10 insertions, 0 deletions
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,