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From: Zhen Lei <thunder.leizhen@huawei.com>
To: Rob Herring <robh+dt@kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Haojian Zhuang <haojian.zhuang@linaro.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>,
	Libin <huawei.libin@huawei.com>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	Jianguo Chen <chenjianguo3@huawei.com>
Subject: [PATCH v3 4/9] clocksource: sp804: remove a mismatched comment
Date: Fri, 18 Sep 2020 21:22:32 +0800	[thread overview]
Message-ID: <20200918132237.3552-5-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <20200918132237.3552-1-thunder.leizhen@huawei.com>

writel(0, base + TIMER_CTRL);
... ...
writel(xxx | TIMER_CTRL_PERIODIC, base + TIMER_CTRL);

The timer is just temporarily disabled, and it will be set to periodic
mode later.

The description of the field TimerMode of the register TimerXControl
as shown below:
0 = Timer module is in free-running mode (default)
1 = Timer module is in periodic mode.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/clocksource/timer-sp804.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/clocksource/timer-sp804.c b/drivers/clocksource/timer-sp804.c
index 097f5a83163c6e1..a443f392a8e7d63 100644
--- a/drivers/clocksource/timer-sp804.c
+++ b/drivers/clocksource/timer-sp804.c
@@ -76,7 +76,6 @@ int __init sp804_clocksource_and_sched_clock_init(void __iomem *base,
 	if (rate < 0)
 		return -EINVAL;
 
-	/* setup timer 0 as free-running clocksource */
 	writel(0, base + TIMER_CTRL);
 	writel(0xffffffff, base + TIMER_LOAD);
 	writel(0xffffffff, base + TIMER_VALUE);
-- 
1.8.3



  parent reply	other threads:[~2020-09-18 13:23 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 13:22 [PATCH v3 0/9] clocksource: sp804: add support for Hisilicon sp804 timer Zhen Lei
2020-09-18 13:22 ` [PATCH v3 1/9] clocksource: sp804: cleanup clk_get_sys() Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Cleanup clk_get_sys() tip-bot2 for Kefeng Wang
2020-09-18 13:22 ` [PATCH v3 2/9] clocksource: sp804: remove unused sp804_timer_disable() and timer-sp804.h Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Remove " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 3/9] clocksource: sp804: delete the leading "__" of some functions Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Delete " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` Zhen Lei [this message]
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Remove a mismatched comment tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 5/9] clocksource: sp804: prepare for support non-standard register offset Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Prepare " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 6/9] clocksource: sp804: " Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Support " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 7/9] clocksource: sp804: add support for Hisilicon sp804 timer Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Add " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 8/9] clocksource: sp804: enable Hisilicon sp804 timer 64bit mode Zhen Lei
2020-09-27  9:27   ` [tip: timers/core] clocksource/drivers/sp804: Enable " tip-bot2 for Zhen Lei
2020-09-18 13:22 ` [PATCH v3 9/9] dt-bindings: sp804: add support for Hisilicon sp804 timer Zhen Lei
2020-09-19 11:43   ` Daniel Lezcano
2020-09-19 12:36     ` Leizhen (ThunderTown)
2020-09-19 11:51 ` [PATCH v3 0/9] clocksource: " Daniel Lezcano
2020-09-19 12:19   ` Leizhen (ThunderTown)

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