add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/kernel/time/tick-common.c
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@@ -80,13 +80,15 @@
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 static void tick_periodic(int cpu)
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 {
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 	if (tick_do_timer_cpu == cpu) {
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-		write_seqlock(&jiffies_lock);
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+		raw_spin_lock(&jiffies_lock);
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+		write_seqcount_begin(&jiffies_seq);
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 		/* Keep track of the next tick event */
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 		tick_next_period = ktime_add(tick_next_period, tick_period);
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 		do_timer(1);
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-		write_sequnlock(&jiffies_lock);
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+		write_seqcount_end(&jiffies_seq);
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+		raw_spin_unlock(&jiffies_lock);
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 		update_wall_time();
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 	}
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@@ -158,9 +160,9 @@
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 		ktime_t next;
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 		do {
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-			seq = read_seqbegin(&jiffies_lock);
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+			seq = read_seqcount_begin(&jiffies_seq);
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 			next = tick_next_period;
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-		} while (read_seqretry(&jiffies_lock, seq));
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+		} while (read_seqcount_retry(&jiffies_seq, seq));
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 		clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT);
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