linux-kernel - [PATCH 3/4] perf: hisi: Constify static struct attribute

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Date:   Sun, 17 Jan 2021 22:28:46 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>
Cc:     Frank Li <Frank.li@....com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 3/4] perf: hisi: Constify static struct attribute_group

The only usage is to put their addresses in an array of pointers to
const struct attribute group. Make them const to allow the compiler
to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 2 +-
 drivers/perf/hisilicon/hisi_uncore_hha_pmu.c  | 2 +-
 drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
index 5ac6c9113767..ac1a8c120a00 100644
--- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
@@ -319,7 +319,7 @@ static struct attribute *hisi_ddrc_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hisi_ddrc_pmu_identifier_group = {
+static const struct attribute_group hisi_ddrc_pmu_identifier_group = {
 	.attrs = hisi_ddrc_pmu_identifier_attrs,
 };
 
diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
index 41b2dceb5f26..3402f1a395a8 100644
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -331,7 +331,7 @@ static struct attribute *hisi_hha_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hisi_hha_pmu_identifier_group = {
+static const struct attribute_group hisi_hha_pmu_identifier_group = {
 	.attrs = hisi_hha_pmu_identifier_attrs,
 };
 
diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
index 705501d18d03..7d792435c2aa 100644
--- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
@@ -321,7 +321,7 @@ static struct attribute *hisi_l3c_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hisi_l3c_pmu_identifier_group = {
+static const struct attribute_group hisi_l3c_pmu_identifier_group = {
 	.attrs = hisi_l3c_pmu_identifier_attrs,
 };
 
-- 
2.30.0