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drivers/perf: RISC-V: Allow programming custom firmware events

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Applications need to be able to program the SBI implementation specific
or custom firmware events in addition to the standard firmware events.
Remove a check in the driver that prohibits the programming of the custom
firmware events.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230208074314.3661406-1-mchitale@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Mayuresh Chitale 2023-02-08 13:13:14 +05:30 committed by Palmer Dabbelt
parent 81a1dd10b0
commit 9f828bc3fb
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GPG Key ID: 2E1319F35FBB1889
1 changed files with 2 additions and 5 deletions
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7
drivers/perf/riscv_pmu_sbi.c
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@ -385,11 +385,8 @@ static int pmu_sbi_event_map(struct perf_event *event, u64 *econfig)
bSoftware = config >> 63;
raw_config_val = config & RISCV_PMU_RAW_EVENT_MASK;
if (bSoftware) {
if (raw_config_val < SBI_PMU_FW_MAX)
ret = (raw_config_val & 0xFFFF) |
(SBI_PMU_EVENT_TYPE_FW << 16);
else
return -EINVAL;
ret = (raw_config_val & 0xFFFF) |
(SBI_PMU_EVENT_TYPE_FW << 16);
} else {
ret = RISCV_PMU_RAW_EVENT_IDX;
*econfig = raw_config_val;