clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_…

…map() 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 <[email protected]> Signed-off-by: Daniel Lezcano <[email protected]> Acked-by: Marc Zyngier <[email protected]>
zuai · Nov 21, 2016 · f947ee1 · f947ee1
1 parent e618682
commit f947ee1
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
@@ -971,8 +971,9 @@ static int __init arch_timer_mem_init(struct device_node *np)
 	}
 
 	ret= -ENXIO;
-	base = arch_counter_base = of_iomap(best_frame, 0);
-	if (!base) {
+	base = arch_counter_base = of_io_request_and_map(best_frame, 0,
+							 "arch_mem_timer");
+	if (IS_ERR(base)) {
 		pr_err("arch_timer: Can't map frame's registers\n");
 		goto out;
 	}