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clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map()

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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>
This commit is contained in:
Stephen Boyd 2016-10-26 00:35:50 -07:00 • committed by Daniel Lezcano
commit f947ee147e
1 changed files with 3 additions and 2 deletions
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5
drivers/clocksource/arm_arch_timer.c
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@ -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;
}