[PATCH] drivers/perf: hisi: Fix PA PMU counter offset

Shaokun Zhang zhangshaokun at hisilicon.com
Tue Sep 28 05:30:22 PDT 2021


The PA PMU counter offset was correct in [1] and the driver has
already been verified. We want to keep the register offset using
lower case character in later version that is consistent with
the existed driver. Since there was no functional change, we
didn't do more test. However there is typo when modified the PA
PMU counter offset by mistake, so fix this bad mistake.

[1] https://www.spinics.net/lists/arm-kernel/msg865263.html

Cc: Will Deacon <will at kernel.org>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: John Garry <john.garry at huawei.com>
Cc: Qi Liu <liuqi115 at huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun at hisilicon.com>
---
 drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
index 83264ec0a957..bad99d149172 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
@@ -27,7 +27,7 @@
 #define PA_INT_CLEAR			0x1c7c
 #define PA_EVENT_TYPE0			0x1c80
 #define PA_PMU_VERSION			0x1cf0
-#define PA_EVENT_CNT0_L			0x1f00
+#define PA_EVENT_CNT0_L			0x1d00
 
 #define PA_EVTYPE_MASK			0xff
 #define PA_NR_COUNTERS			0x8
-- 
2.33.0




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