From:   <walter.chang@mediatek.com>
To:     Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        "Maciej W . Rozycki" <macro@orcam.me.uk>,
        John Stultz <jstultz@google.com>
CC:     <wsd_upstream@mediatek.com>, <stanley.chu@mediatek.com>,
        <Chun-hung.Wu@mediatek.com>, <Freddy.Hsin@mediatek.com>,
        Chun-Hung Wu <chun-hung.wu@mediatek.com>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>
Subject: [PATCH 1/3] time/sched_clock: Export sched_clock_register()
Date:   Wed, 8 Feb 2023 17:48:02 +0800
Message-ID: <20230208094813.20874-2-walter.chang@mediatek.com>
In-Reply-To: <20230208094813.20874-1-walter.chang@mediatek.com>
References: <20230208094813.20874-1-walter.chang@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

From: Chun-Hung Wu <chun-hung.wu@mediatek.com>

clocksource driver may use sched_clock_register()
to resigter itself as a sched_clock source.
Export it to support building such driver
as module, like timer-mediatek.c

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
---
 kernel/time/sched_clock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index 8464c5acc913..8e49e87d1221 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -150,8 +150,7 @@ static enum hrtimer_restart sched_clock_poll(struct hrtimer *hrt)
 	return HRTIMER_RESTART;
 }
 
-void __init
-sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
+void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 {
 	u64 res, wrap, new_mask, new_epoch, cyc, ns;
 	u32 new_mult, new_shift;
@@ -223,6 +222,7 @@ sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 
 	pr_debug("Registered %pS as sched_clock source\n", read);
 }
+EXPORT_SYMBOL_GPL(sched_clock_register);
 
 void __init generic_sched_clock_init(void)
 {
-- 
2.18.0