ARM: 7315/1: perf: add support for the Cortex-A7 PMU

Cortex-A7 implements an ARMv7-compatible PMU compliant with the PMUv2
architecture specification.

This patch adds support for the PMU to the ARM perf backend.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 5bb91bf3d47..ab59c3bae5e 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -712,6 +712,9 @@ init_hw_perf_events(void)
                 case 0xC0F0:    /* Cortex-A15 */
                         cpu_pmu = armv7_a15_pmu_init();
                         break;
+                case 0xC070:    /* Cortex-A7 */
+                        cpu_pmu = armv7_a7_pmu_init();
+                        break;
                 }
         /* Intel CPUs [xscale]. */
         } else if (0x69 == implementor) {