mirror of https://github.com/hak5/openwrt-owl.git
37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
From 7d7214129f7bde5bb55c0691968407b48f08efb5 Mon Sep 17 00:00:00 2001
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From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Date: Tue, 20 Aug 2013 12:45:53 -0300
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Subject: [PATCH 170/203] clocksource: armada-370-xp: Get reference fixed-clock
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by name
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The Armada XP timer has two mandatory clock inputs: nbclk and refclk,
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as specified by the device-tree binding.
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This commit fixes the clock selection. Instead of hard-coding the clock
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rate for the 25 MHz reference fixed-clock, obtain the clock by its name.
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Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Acked-by: Jason Cooper <jason@lakedaemon.net>
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Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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---
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drivers/clocksource/time-armada-370-xp.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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--- a/drivers/clocksource/time-armada-370-xp.c
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+++ b/drivers/clocksource/time-armada-370-xp.c
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@@ -294,8 +294,11 @@ static void __init armada_370_xp_timer_c
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static void __init armada_xp_timer_init(struct device_node *np)
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{
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- /* The fixed 25MHz timer is required, timer25Mhz is true by default */
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- timer_clk = 25000000;
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+ struct clk *clk = of_clk_get_by_name(np, "fixed");
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+
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+ /* The 25Mhz fixed clock is mandatory, and must always be available */
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+ BUG_ON(IS_ERR(clk));
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+ timer_clk = clk_get_rate(clk);
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armada_370_xp_timer_common_init(np);
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}
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