[PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map()

[Daniel Lezcano]

From: Stephen Boyd <sb...@codeaurora.org>

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>
Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
Acked-by: Marc Zyngier <marc.zyng...@arm.com>
---
 drivers/clocksource/arm_arch_timer.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/arm_arch_timer.c 
b/drivers/clocksource/arm_arch_timer.c
index a2503db..02fef68 100644
--- 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;
        }
-- 
2.7.4