MIPS: perf: Remove incorrect odd/even counter handling for I6400
authorMarcin Nowakowski <marcin.nowakowski@imgtec.com>
Wed, 19 Apr 2017 12:07:43 +0000 (14:07 +0200)
committerRalf Baechle <ralf@linux-mips.org>
Thu, 8 Jun 2017 12:51:58 +0000 (14:51 +0200)
All performance counters on I6400 (odd and even) are capable of counting
any of the available events, so drop current logic of using the extra
bit to determine which counter to use.

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Fixes: 4e88a8621301 ("MIPS: Add cases for CPU_I6400")
Fixes: fd716fca10fc ("MIPS: perf: Fix I6400 event numbers")
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/15991/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/perf_event_mipsxx.c

index 313a88b..f3e301f 100644 (file)
@@ -1597,7 +1597,6 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
                break;
        case CPU_P5600:
        case CPU_P6600:
-       case CPU_I6400:
                /* 8-bit event numbers */
                raw_id = config & 0x1ff;
                base_id = raw_id & 0xff;
@@ -1610,6 +1609,11 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
                raw_event.range = P;
 #endif
                break;
+       case CPU_I6400:
+               /* 8-bit event numbers */
+               base_id = config & 0xff;
+               raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;
+               break;
        case CPU_1004K:
                if (IS_BOTH_COUNTERS_1004K_EVENT(base_id))
                        raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD;