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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: daniel.lezcano@linaro.org, tglx@linutronix.de,
	shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, van.freenix@gmail.com,
	Peng Fan <peng.fan@nxp.com>, Kees Cook <keescook@chromium.org>
Subject: [PATCH 1/2] clocksource/drivers/imx-sysctr: mark two variable with __ro_after_init
Date: Wed,  1 Dec 2021 20:50:29 +0800	[thread overview]
Message-ID: <20211201125030.2307746-1-peng.fan@oss.nxp.com> (raw)

From: Peng Fan <peng.fan@nxp.com>

sys_ctr_base and cmpcr will not be updated after init, so mark
as __ro_after_init.

Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clocksource/timer-imx-sysctr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c
index 18b90fc56bfc..2b309af11266 100644
--- a/drivers/clocksource/timer-imx-sysctr.c
+++ b/drivers/clocksource/timer-imx-sysctr.c
@@ -20,8 +20,8 @@
 
 #define SYS_CTR_CLK_DIV		0x3
 
-static void __iomem *sys_ctr_base;
-static u32 cmpcr;
+static void __iomem *sys_ctr_base __ro_after_init;
+static u32 cmpcr __ro_after_init;
 
 static void sysctr_timer_enable(bool enable)
 {
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: daniel.lezcano@linaro.org, tglx@linutronix.de,
	shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, van.freenix@gmail.com,
	Peng Fan <peng.fan@nxp.com>, Kees Cook <keescook@chromium.org>
Subject: [PATCH 1/2] clocksource/drivers/imx-sysctr: mark two variable with __ro_after_init
Date: Wed,  1 Dec 2021 20:50:29 +0800	[thread overview]
Message-ID: <20211201125030.2307746-1-peng.fan@oss.nxp.com> (raw)

From: Peng Fan <peng.fan@nxp.com>

sys_ctr_base and cmpcr will not be updated after init, so mark
as __ro_after_init.

Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clocksource/timer-imx-sysctr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c
index 18b90fc56bfc..2b309af11266 100644
--- a/drivers/clocksource/timer-imx-sysctr.c
+++ b/drivers/clocksource/timer-imx-sysctr.c
@@ -20,8 +20,8 @@
 
 #define SYS_CTR_CLK_DIV		0x3
 
-static void __iomem *sys_ctr_base;
-static u32 cmpcr;
+static void __iomem *sys_ctr_base __ro_after_init;
+static u32 cmpcr __ro_after_init;
 
 static void sysctr_timer_enable(bool enable)
 {
-- 
2.25.1


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             reply	other threads:[~2021-12-01 12:51 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-01 12:50 Peng Fan (OSS) [this message]
2021-12-01 12:50 ` [PATCH 1/2] clocksource/drivers/imx-sysctr: mark two variable with __ro_after_init Peng Fan (OSS)
2021-12-01 12:50 ` [PATCH 2/2] clocksource: timer-imx-sysctr: set cpumask to cpu_possible_mask Peng Fan (OSS)
2021-12-01 12:50   ` Peng Fan (OSS)
2021-12-02 10:22   ` Daniel Lezcano
2021-12-02 10:22     ` Daniel Lezcano
2021-12-05 12:53     ` Peng Fan
2021-12-05 12:53       ` Peng Fan
2022-01-10 12:59   ` [tip: timers/core] clocksource/drivers/timer-imx-sysctr: Set " tip-bot2 for Peng Fan
2021-12-03  0:05 ` [PATCH 1/2] clocksource/drivers/imx-sysctr: mark two variable with __ro_after_init Kees Cook
2021-12-03  0:05   ` Kees Cook
2021-12-09 13:15 ` Daniel Lezcano
2021-12-09 13:15   ` Daniel Lezcano
2021-12-14  8:25   ` Peng Fan
2021-12-14  8:25     ` Peng Fan
2021-12-14  9:19     ` Daniel Lezcano
2021-12-14  9:19       ` Daniel Lezcano
2022-01-10 12:59 ` [tip: timers/core] clocksource/drivers/imx-sysctr: Mark " tip-bot2 for Peng Fan

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