The object cyclecounter of type cyclecounter is not getting modified
after getting initialized by arch_counter_register. Apart from
initialization in arch_counter_register it is also passed as an argument
to the function timecounter_init but this argument is of type const.
Therefore, add __ro_after_init to its declaration.

Signed-off-by: Bhumika Goyal <bhumi...@gmail.com>
---
 drivers/clocksource/arm_arch_timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/arm_arch_timer.c 
b/drivers/clocksource/arm_arch_timer.c
index 4c8c3fb..a10506b 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -580,7 +580,7 @@ static u64 arch_counter_read_cc(const struct cyclecounter 
*cc)
        .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
-static struct cyclecounter cyclecounter = {
+static struct cyclecounter cyclecounter __ro_after_init = {
        .read   = arch_counter_read_cc,
        .mask   = CLOCKSOURCE_MASK(56),
 };
-- 
1.9.1

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