linux-kernel - [PATCH] clocksource/arm_arch_timer: Map frame with of_io_request_and

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Message-Id: <1457114169-16301-1-git-send-email-sboyd@codeaurora.org>
Date:	Fri,  4 Mar 2016 09:56:09 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Robin Murphy <robin.murphy@....com>
Subject: [PATCH] clocksource/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.

Cc: Robin Murphy <robin.murphy@....com>
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
---

This one seems to have been lost in the replies so I'm sending it
seperately.

 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 5152b3898155..9a2c616e08a3 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -827,7 +827,8 @@ static void __init arch_timer_mem_init(struct device_node *np)
 		best_frame = of_node_get(frame);
 	}
 
-	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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