linux-kernel - [tip: timers/core] clocksource/drivers/imx-sysctr: Mark two variable with __ro_after

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Date:   Mon, 10 Jan 2022 12:59:54 -0000
From:   "tip-bot2 for Peng Fan" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Kees Cook <keescook@...omium.org>, Peng Fan <peng.fan@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: timers/core] clocksource/drivers/imx-sysctr: Mark two variable
 with __ro_after_init

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     f5bd5fc9d478cdb94f89ccc74870dd81d1919b42
Gitweb:        https://git.kernel.org/tip/f5bd5fc9d478cdb94f89ccc74870dd81d1919b42
Author:        Peng Fan <peng.fan@....com>
AuthorDate:    Wed, 01 Dec 2021 20:50:29 +08:00
Committer:     Daniel Lezcano <daniel.lezcano@...aro.org>
CommitterDate: Thu, 09 Dec 2021 14:13:04 +01:00

clocksource/drivers/imx-sysctr: Mark two variable with __ro_after_init

The variables 'sys_ctr_base' and 'cmpcr' are not be updated after
init, so mark them as __ro_after_init.

Cc: Kees Cook <keescook@...omium.org>
Signed-off-by: Peng Fan <peng.fan@....com>
Reviewed-by: Kees Cook <keescook@...omium.org>
Link: https://lore.kernel.org/r/20211201125030.2307746-1-peng.fan@oss.nxp.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 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 18b90fc..2b309af 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)
 {