Messages in this thread Patch in this message | | | From | "Peng Fan (OSS)" <> | Subject | [PATCH 1/2] clocksource/drivers/imx-sysctr: mark two variable with __ro_after_init | Date | Wed, 1 Dec 2021 20:50:29 +0800 |
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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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