[MIPS] Clocksource: Only install r4k counter as clocksource if present.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -22,12 +22,17 @@ static struct clocksource clocksource_mips = {
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.flags = CLOCK_SOURCE_IS_CONTINUOUS,
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};
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void __init init_mips_clocksource(void)
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int __init init_mips_clocksource(void)
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{
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if (!cpu_has_counter || !mips_hpt_frequency)
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return -ENXIO;
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/* Calclate a somewhat reasonable rating value */
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clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
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clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
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clocksource_register(&clocksource_mips);
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return 0;
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}
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@ -64,10 +64,11 @@ static inline int mips_clockevent_init(void)
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* Initialize the count register as a clocksource
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*/
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#ifdef CONFIG_CEVT_R4K
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extern void init_mips_clocksource(void);
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extern int init_mips_clocksource(void);
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#else
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static inline void init_mips_clocksource(void)
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static inline int init_mips_clocksource(void)
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{
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return 0;
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}
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#endif
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