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 <[email protected]> Signed-off-by: Peng Fan <[email protected]> Reviewed-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Daniel Lezcano <[email protected]>
sm00th · Dec 9, 2021 · f5bd5fc · f5bd5fc
1 parent a2807f6
commit f5bd5fc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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)
 {