jiffies: Introduce USER_TICK_USEC and redefine TICK_USEC
Since the subsequent changes will need a TICK_USEC definition analogous to TICK_NSEC, rename the existing TICK_USEC as USER_TICK_USEC, update its users and redefine TICK_USEC accordingly. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
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@ -375,7 +375,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
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* because generally mcdi responses are fast. After that, back off
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* and poll once a jiffy (approximately)
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*/
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spins = TICK_USEC;
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spins = USER_TICK_USEC;
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finish = jiffies + MCDI_RPC_TIMEOUT;
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while (1) {
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@ -62,8 +62,11 @@ extern int register_refined_jiffies(long clock_tick_rate);
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/* TICK_NSEC is the time between ticks in nsec assuming SHIFTED_HZ */
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#define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ)
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/* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */
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#define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ)
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/* TICK_USEC is the time between ticks in usec assuming SHIFTED_HZ */
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#define TICK_USEC ((USEC_PER_SEC + HZ/2) / HZ)
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/* USER_TICK_USEC is the time between ticks in usec assuming fake USER_HZ */
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#define USER_TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ)
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#ifndef __jiffy_arch_data
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#define __jiffy_arch_data
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@ -31,7 +31,7 @@
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/* USER_HZ period (usecs): */
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unsigned long tick_usec = TICK_USEC;
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unsigned long tick_usec = USER_TICK_USEC;
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/* SHIFTED_HZ period (nsecs): */
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unsigned long tick_nsec;
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