add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/clocksource/arc_timer.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com)
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  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 /* ARC700 has two 32bit independent prog Timers: TIMER0 and TIMER1, Each can be
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@@ -16,6 +13,7 @@
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  */
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 #include <linux/interrupt.h>
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+#include <linux/bits.h>
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 #include <linux/clk.h>
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 #include <linux/clk-provider.h>
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 #include <linux/clocksource.h>
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@@ -142,7 +140,7 @@
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 		l = read_aux_reg(AUX_RTC_LOW);
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 		h = read_aux_reg(AUX_RTC_HIGH);
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 		status = read_aux_reg(AUX_RTC_CTRL);
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-	} while (!(status & _BITUL(31)));
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+	} while (!(status & BIT(31)));
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 	return (((u64)h) << 32) | l;
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 }
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@@ -336,10 +334,8 @@
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 	}
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 	ret = arc_get_timer_clk(node);
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-	if (ret) {
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-		pr_err("clockevent: missing clk\n");
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+	if (ret)
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 		return ret;
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-	}
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 	/* Needs apriori irq_set_percpu_devid() done in intc map function */
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 	ret = request_percpu_irq(arc_timer_irq, timer_irq_handler,