mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/clocksource/clksrc-dbx500-prcmu.c
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@@ -1,7 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) ST-Ericsson SA 2011
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  *
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- * License Terms: GNU General Public License v2
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  * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson
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  * Author: Sundar Iyer for ST-Ericsson
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  * sched_clock implementation is based on:
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@@ -15,7 +15,6 @@
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 #include <linux/of.h>
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 #include <linux/of_address.h>
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 #include <linux/clockchips.h>
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-#include <linux/sched_clock.h>
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 #define RATE_32K		32768
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@@ -25,8 +24,6 @@
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 #define PRCMU_TIMER_REF		0
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 #define PRCMU_TIMER_DOWNCOUNT	0x4
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 #define PRCMU_TIMER_MODE	0x8
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-
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-#define SCHED_CLOCK_MIN_WRAP 131072 /* 2^32 / 32768 */
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 static void __iomem *clksrc_dbx500_timer_base;
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@@ -46,23 +43,11 @@
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 static struct clocksource clocksource_dbx500_prcmu = {
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 	.name		= "dbx500-prcmu-timer",
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-	.rating		= 300,
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+	.rating		= 100,
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 	.read		= clksrc_dbx500_prcmu_read,
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 	.mask		= CLOCKSOURCE_MASK(32),
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-	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
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+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_SUSPEND_NONSTOP,
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 };
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-
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-#ifdef CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK
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-
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-static u64 notrace dbx500_prcmu_sched_clock_read(void)
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-{
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-	if (unlikely(!clksrc_dbx500_timer_base))
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-		return 0;
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-
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-	return clksrc_dbx500_prcmu_read(&clocksource_dbx500_prcmu);
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-}
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-
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-#endif
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 static int __init clksrc_dbx500_prcmu_init(struct device_node *node)
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 {
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@@ -81,9 +66,6 @@
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 		writel(TIMER_DOWNCOUNT_VAL,
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 		       clksrc_dbx500_timer_base + PRCMU_TIMER_REF);
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 	}
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-#ifdef CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK
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-	sched_clock_register(dbx500_prcmu_sched_clock_read, 32, RATE_32K);
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-#endif
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 	return clocksource_register_hz(&clocksource_dbx500_prcmu, RATE_32K);
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 }
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 TIMER_OF_DECLARE(dbx500_prcmu, "stericsson,db8500-prcmu-timer-4",