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#define LOOPS 150000
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#define LOOPS 150000
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#define SHIFT 11
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#define SHIFT 11
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void i8254_calibrate_delay_loop(void)
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void i8254_calibrate_delay_loop(void)
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{
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{
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    __u64 clk1, clk2;
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    uint64_t clk1, clk2;
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    __u32 t1, t2, o1, o2;
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    uint32_t t1, t2, o1, o2;
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    __u8 not_ok;
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    uint8_t not_ok;
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    /*
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    /*
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     * One-shot timer. Count-down from 0xffff at 1193180Hz
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     * One-shot timer. Count-down from 0xffff at 1193180Hz
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     * MAGIC_NUMBER is the magic value for 1ms.
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     * MAGIC_NUMBER is the magic value for 1ms.