From: "tip-bot2 for Will Deacon" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Will Deacon <will@kernel.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: timers/core] clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU
Date: Thu, 26 Aug 2021 16:25:19 -0000 [thread overview]
Message-ID: <162999511928.25758.13349701269137366922.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20210608154341.10794-3-will@kernel.org>
The following commit has been merged into the timers/core branch of tip:
Commit-ID: 88183788eacb782eb6e1295f1934fb9531b503d6
Gitweb: https://git.kernel.org/tip/88183788eacb782eb6e1295f1934fb9531b503d6
Author: Will Deacon <will@kernel.org>
AuthorDate: Tue, 08 Jun 2021 16:43:41 +01:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Fri, 13 Aug 2021 09:24:22 +02:00
clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU
The "mct_tick" is a per-cpu clockevents device. Set the
CLOCK_EVT_FEAT_PERCPU feature to prevent e.g. mct_tick0 being unsafely
designated as the global broadcast timer and instead treat the device as
a per-cpu wakeup timer.
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210608154341.10794-3-will@kernel.org
---
drivers/clocksource/exynos_mct.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 804d3e0..5e3e96d 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -465,7 +465,8 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
evt->set_state_oneshot = set_state_shutdown;
evt->set_state_oneshot_stopped = set_state_shutdown;
evt->tick_resume = set_state_shutdown;
- evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+ evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT |
+ CLOCK_EVT_FEAT_PERCPU;
evt->rating = MCT_CLKEVENTS_RATING,
exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
prev parent reply other threads:[~2021-08-26 16:26 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 15:43 [PATCH 0/2] Use Exynos-MCT timer as wakeup for Arm arch timer Will Deacon
2021-06-08 15:43 ` Will Deacon
2021-06-08 15:43 ` [PATCH 1/2] clocksource/drivers/exynos_mct: Prioritise Arm arch timer on arm64 Will Deacon
2021-06-08 15:43 ` Will Deacon
2021-06-09 11:41 ` Krzysztof Kozlowski
2021-06-09 11:41 ` Krzysztof Kozlowski
2021-06-10 1:03 ` Chanwoo Choi
2021-06-10 1:03 ` Chanwoo Choi
2021-06-16 15:25 ` Daniel Lezcano
2021-06-16 15:25 ` Daniel Lezcano
2021-06-17 0:58 ` Chanwoo Choi
2021-06-17 0:58 ` Chanwoo Choi
2021-06-17 21:47 ` Will Deacon
2021-06-17 21:47 ` Will Deacon
2021-06-21 9:25 ` Daniel Lezcano
2021-06-21 9:25 ` Daniel Lezcano
2021-06-21 10:10 ` Will Deacon
2021-06-21 10:10 ` Will Deacon
2021-06-21 10:18 ` Daniel Lezcano
2021-06-21 10:18 ` Daniel Lezcano
2021-06-22 2:40 ` Chanwoo Choi
2021-06-22 2:40 ` Chanwoo Choi
2021-06-22 5:21 ` Daniel Lezcano
2021-06-22 5:21 ` Daniel Lezcano
2021-06-22 6:42 ` Chanwoo Choi
2021-06-22 6:42 ` Chanwoo Choi
2021-06-21 10:17 ` Marek Szyprowski
2021-06-21 10:17 ` Marek Szyprowski
2021-06-21 10:24 ` Daniel Lezcano
2021-06-21 10:24 ` Daniel Lezcano
2021-08-26 16:25 ` [tip: timers/core] " tip-bot2 for Will Deacon
2021-06-08 15:43 ` [PATCH 2/2] clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU Will Deacon
2021-06-08 15:43 ` Will Deacon
2021-06-09 11:41 ` Krzysztof Kozlowski
2021-06-09 11:41 ` Krzysztof Kozlowski
2021-06-17 0:59 ` Chanwoo Choi
2021-06-17 0:59 ` Chanwoo Choi
2021-08-26 16:25 ` tip-bot2 for Will Deacon [this message]
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