Let's use the of_io_request_and_map() API so that the frame
region is protected and shows up in /proc/iomem.

Signed-off-by: Stephen Boyd <sb...@codeaurora.org>
---
 drivers/clocksource/arm_arch_timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/arm_arch_timer.c 
b/drivers/clocksource/arm_arch_timer.c
index 73c487da6d2a..cbfa3bc5be75 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -964,7 +964,8 @@ static int __init arch_timer_mem_init(struct device_node 
*np)
        }
 
        ret= -ENXIO;
-       base = arch_counter_base = of_iomap(best_frame, 0);
+       base = arch_counter_base = of_io_request_and_map(best_frame, 0,
+                                                        "arch_mem_timer");
        if (!base) {
                pr_err("arch_timer: Can't map frame's registers\n");
                goto out;
-- 
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