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authorMayuresh Chitale <mchitale@ventanamicro.com>2023-02-08 13:13:14 +0530
committerPalmer Dabbelt <palmer@rivosinc.com>2023-03-01 11:16:22 -0800
commit9f828bc3fb900c5d39ec13ea150341d28fb1f158 (patch)
treef3876e74885d87a04c75d1f57048096762c0068a /drivers
parent81a1dd10b072fd432f37cd5dc9eb3ed6ec5d386e (diff)
drivers/perf: RISC-V: Allow programming custom firmware events
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/perf/riscv_pmu_sbi.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index 7b2288d4b1ec..8bd27d795253 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -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;