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 *
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 *
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 * @param usec Number of microseconds to sleep.
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 * @param usec Number of microseconds to sleep.
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 */
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 */
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void delay(__u32 usec)
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void delay(__u32 usec)
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{
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{
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    pri_t pri;
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    ipl_t ipl;
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- 
 
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    /*
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    /* The delay loop is calibrated for each and every
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     * The delay loop is calibrated for each and every
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       CPU in the system. Therefore it is necessary to
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     * CPU in the system. Therefore it is necessary to
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       cpu_priority_high() before calling the asm_delay_loop(). */
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     * call interrupts_disable() before calling the
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     * asm_delay_loop().
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     */
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    pri = cpu_priority_high();
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    ipl = interrupts_disable();
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    asm_delay_loop(usec * CPU->delay_loop_const);
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    asm_delay_loop(usec * CPU->delay_loop_const);
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    cpu_priority_restore(pri);
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    interrupts_restore(ipl);
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}
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}