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perf/arm: Move 32-bit PMU drivers to drivers/perf/

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It is preferred to put drivers under drivers/ rather than under arch/.
The PMU drivers also depend on arm_pmu.c, so it's better to place them
all together.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240626-arm-pmu-3-9-icntr-v2-3-c9784b4f4065@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Rob Herring (Arm) 2024-06-26 16:32:27 -06:00 committed by Will Deacon
parent 598c1a2d9f
commit 8d75537beb
6 changed files with 15 additions and 11 deletions
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2
arch/arm/kernel/Makefile
View File

@ -78,8 +78,6 @@ obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o
obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o
obj-$(CONFIG_IWMMXT) += iwmmxt.o
obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_xscale.o perf_event_v6.o \
perf_event_v7.o
AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt
obj-$(CONFIG_ARM_CPU_TOPOLOGY) += topology.o
obj-$(CONFIG_VDSO) += vdso.o

12
drivers/perf/Kconfig
View File

@ -56,6 +56,18 @@ config ARM_PMU
Say y if you want to use CPU performance monitors on ARM-based
systems.
config ARM_V6_PMU
depends on ARM_PMU && (CPU_V6 || CPU_V6K)
def_bool y
config ARM_V7_PMU
depends on ARM_PMU && CPU_V7
def_bool y
config ARM_XSCALE_PMU
depends on ARM_PMU && CPU_XSCALE
def_bool y
config RISCV_PMU
depends on RISCV
bool "RISC-V PMU framework"

3
drivers/perf/Makefile
View File

@ -6,6 +6,9 @@ obj-$(CONFIG_ARM_DSU_PMU) += arm_dsu_pmu.o
obj-$(CONFIG_ARM_PMU) += arm_pmu.o arm_pmu_platform.o
obj-$(CONFIG_ARM_PMU_ACPI) += arm_pmu_acpi.o
obj-$(CONFIG_ARM_PMUV3) += arm_pmuv3.o
obj-$(CONFIG_ARM_V6_PMU) += arm_v6_pmu.o
obj-$(CONFIG_ARM_V7_PMU) += arm_v7_pmu.o
obj-$(CONFIG_ARM_XSCALE_PMU) += arm_xscale_pmu.o
obj-$(CONFIG_ARM_SMMU_V3_PMU) += arm_smmuv3_pmu.o
obj-$(CONFIG_FSL_IMX8_DDR_PMU) += fsl_imx8_ddr_perf.o
obj-$(CONFIG_FSL_IMX9_DDR_PMU) += fsl_imx9_ddr_perf.o

3
arch/arm/kernel/perf_event_v6.c → drivers/perf/arm_v6_pmu.c
View File

@ -31,8 +31,6 @@
* enable the interrupt.
*/
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
#include <asm/cputype.h>
#include <asm/irq_regs.h>
@ -445,4 +443,3 @@ static struct platform_driver armv6_pmu_driver = {
};
builtin_platform_driver(armv6_pmu_driver);
#endif /* CONFIG_CPU_V6 || CONFIG_CPU_V6K */

3
arch/arm/kernel/perf_event_v7.c → drivers/perf/arm_v7_pmu.c
View File

@ -17,8 +17,6 @@
* counter and all 4 performance counters together can be reset separately.
*/
#ifdef CONFIG_CPU_V7
#include <asm/cp15.h>
#include <asm/cputype.h>
#include <asm/irq_regs.h>
@ -2002,4 +2000,3 @@ static struct platform_driver armv7_pmu_driver = {
};
builtin_platform_driver(armv7_pmu_driver);
#endif /* CONFIG_CPU_V7 */

3
arch/arm/kernel/perf_event_xscale.c → drivers/perf/arm_xscale_pmu.c
View File

@ -13,8 +13,6 @@
* PMU structures.
*/
#ifdef CONFIG_CPU_XSCALE
#include <asm/cputype.h>
#include <asm/irq_regs.h>
@ -745,4 +743,3 @@ static struct platform_driver xscale_pmu_driver = {
};
builtin_platform_driver(xscale_pmu_driver);
#endif /* CONFIG_CPU_XSCALE */