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

From	Daniel Lezcano <daniel.lezcano@linaro.org>
Newsgroups	linux.kernel
Subject	[PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map()
Date	2016-11-22 10:50 +0100
Message-ID	<sGfSa-5nS-7@gated-at.bofh.it> (permalink)
References	<sGfSa-5nS-9@gated-at.bofh.it> <sGfSa-5nS-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Stephen Boyd <sboyd@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 <sboyd@codeaurora.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@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

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[PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-11-22 10:50 +0100

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