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authorStephen Boyd <sboyd@codeaurora.org>2016-10-26 10:35:50 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2016-11-21 13:15:29 +0300
commitf947ee147e0895d5c0ef18e81ca7a4e4219739e3 (patch)
tree03d9b3e89b96308635a3020e32b12b6bc7190f38 /drivers/clocksource/arm_arch_timer.c
parente6186820a74546ac201a6669ebbee42399583b8b (diff)
downloadlinux-f947ee147e0895d5c0ef18e81ca7a4e4219739e3.tar.xz
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 <sboyd@codeaurora.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/clocksource/arm_arch_timer.c')
-rw-r--r--drivers/clocksource/arm_arch_timer.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index a2503db7e533..02fef6830e72 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;
}