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clocksource: armada-370-xp: Get reference fixed-clock by name

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The Armada XP timer has two mandatory clock inputs: nbclk and refclk,
as specified by the device-tree binding.

This commit fixes the clock selection. Instead of hard-coding the clock
rate for the 25 MHz reference fixed-clock, obtain the clock by its name.

Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Jason Cooper <[email protected]>
Acked-by: Gregory CLEMENT <[email protected]>
This commit is contained in:
Ezequiel Garcia 2013-08-20 12:45:53 -03:00 • committed by Daniel Lezcano
commit 5e9fe6cb1b
1 changed files with 5 additions and 2 deletions
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7
drivers/clocksource/time-armada-370-xp.c
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@ -294,8 +294,11 @@ static void __init armada_370_xp_timer_common_init(struct device_node *np)
static void __init armada_xp_timer_init(struct device_node *np)
{
/* The fixed 25MHz timer is required, timer25Mhz is true by default */
timer_clk = 25000000;
struct clk *clk = of_clk_get_by_name(np, "fixed");
/* The 25Mhz fixed clock is mandatory, and must always be available */
BUG_ON(IS_ERR(clk));
timer_clk = clk_get_rate(clk);
armada_370_xp_timer_common_init(np);
}