linux-kernel - [PATCH 1/9] drivers/perf: hisi: Extend struct hisi_pmu_dev

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Message-ID: <20250218092000.41641-2-yangyicong@huawei.com>
Date: Tue, 18 Feb 2025 17:19:52 +0800
From: Yicong Yang <yangyicong@...wei.com>
To: <will@...nel.org>, <mark.rutland@....com>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <jonathan.cameron@...wei.com>, <prime.zeng@...ilicon.com>,
	<linuxarm@...wei.com>, <yangyicong@...ilicon.com>, <wangyushan12@...wei.com>
Subject: [PATCH 1/9] drivers/perf: hisi: Extend struct hisi_pmu_dev_info

From: Junhao He <hejunhao3@...wei.com>

The counter bits and event range may differ from versions of a
certain uncore PMU. Make this device specific information into
struct hisi_pmu_dev_info. This will help to simplify the
initialization process by using a list of struct hisi_pmu_dev_info
rather than checking the version.

Signed-off-by: Junhao He <hejunhao3@...wei.com>
Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
---
 drivers/perf/hisilicon/hisi_uncore_pmu.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.h b/drivers/perf/hisilicon/hisi_uncore_pmu.h
index f4fed2544877..777675838b80 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.h
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.h
@@ -72,6 +72,8 @@ struct hisi_uncore_ops {
 struct hisi_pmu_dev_info {
 	const char *name;
 	const struct attribute_group **attr_groups;
+	u32 counter_bits;
+	u32 check_event;
 	void *private;
 };
 
-- 
2.24.0