* [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
[not found] <CGME20190321082621eucas1p16d48ef152cd76edb7d46e8c773fa000e@eucas1p1.samsung.com>
@ 2019-03-21 8:26 ` Marek Szyprowski
0 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2019-03-21 8:26 UTC (permalink / raw)
To: linux-kernel, linux-samsung-soc, linux-arm-kernel
Cc: Marek Szyprowski, Thomas Gleixner, Daniel Lezcano,
Krzysztof Kozlowski, Chanwoo Choi, Bartlomiej Zolnierkiewicz
Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
Architected Timers (arch_timer), because they both share some common
hardware blocks (global system counter) and turning on MCT is needed
to get ARM Architected Timer working properly. Increase MCT timer rating
and hotplug priority over ARM Archictected timer driver to achieve that.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
---
v2: added comments about the relation to ARM arch timer
rebased onto v5.1-rc1
v1: https://patchwork.kernel.org/patch/10814921/
---
drivers/clocksource/exynos_mct.c | 4 ++--
include/linux/cpuhotplug.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 34bd250d46c6..6aa10cbc1d59 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
static struct clocksource mct_frc = {
.name = "mct-frc",
- .rating = 400,
+ .rating = 450, /* use value higher than ARM arch timer */
.read = exynos4_frc_read,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
@@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
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->rating = 450;
+ evt->rating = 500; /* use value higher than ARM arch timer */
exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index e78281d07b70..53fb48de9589 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -115,10 +115,10 @@ enum cpuhp_state {
CPUHP_AP_PERF_ARM_ACPI_STARTING,
CPUHP_AP_PERF_ARM_STARTING,
CPUHP_AP_ARM_L2X0_STARTING,
+ CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
CPUHP_AP_ARM_ARCH_TIMER_STARTING,
CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
CPUHP_AP_JCORE_TIMER_STARTING,
- CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
CPUHP_AP_ARM_TWD_STARTING,
CPUHP_AP_QCOM_TIMER_STARTING,
CPUHP_AP_TEGRA_TIMER_STARTING,
--
2.17.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
@ 2019-03-21 8:26 ` Marek Szyprowski
0 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2019-03-21 8:26 UTC (permalink / raw)
To: linux-kernel, linux-samsung-soc, linux-arm-kernel
Cc: Bartlomiej Zolnierkiewicz, Daniel Lezcano, Krzysztof Kozlowski,
Chanwoo Choi, Thomas Gleixner, Marek Szyprowski
Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
Architected Timers (arch_timer), because they both share some common
hardware blocks (global system counter) and turning on MCT is needed
to get ARM Architected Timer working properly. Increase MCT timer rating
and hotplug priority over ARM Archictected timer driver to achieve that.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
---
v2: added comments about the relation to ARM arch timer
rebased onto v5.1-rc1
v1: https://patchwork.kernel.org/patch/10814921/
---
drivers/clocksource/exynos_mct.c | 4 ++--
include/linux/cpuhotplug.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 34bd250d46c6..6aa10cbc1d59 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
static struct clocksource mct_frc = {
.name = "mct-frc",
- .rating = 400,
+ .rating = 450, /* use value higher than ARM arch timer */
.read = exynos4_frc_read,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
@@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
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->rating = 450;
+ evt->rating = 500; /* use value higher than ARM arch timer */
exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index e78281d07b70..53fb48de9589 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -115,10 +115,10 @@ enum cpuhp_state {
CPUHP_AP_PERF_ARM_ACPI_STARTING,
CPUHP_AP_PERF_ARM_STARTING,
CPUHP_AP_ARM_L2X0_STARTING,
+ CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
CPUHP_AP_ARM_ARCH_TIMER_STARTING,
CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
CPUHP_AP_JCORE_TIMER_STARTING,
- CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
CPUHP_AP_ARM_TWD_STARTING,
CPUHP_AP_QCOM_TIMER_STARTING,
CPUHP_AP_TEGRA_TIMER_STARTING,
--
2.17.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
2019-03-21 8:26 ` Marek Szyprowski
@ 2019-03-21 12:30 ` Chanwoo Choi
-1 siblings, 0 replies; 6+ messages in thread
From: Chanwoo Choi @ 2019-03-21 12:30 UTC (permalink / raw)
To: Marek Szyprowski, linux-kernel, linux-samsung-soc, linux-arm-kernel
Cc: Thomas Gleixner, Daniel Lezcano, Krzysztof Kozlowski,
Bartlomiej Zolnierkiewicz
Hi Marek,
On 19. 3. 21. 오후 5:26, Marek Szyprowski wrote:
> Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
> Architected Timers (arch_timer), because they both share some common
> hardware blocks (global system counter) and turning on MCT is needed
> to get ARM Architected Timer working properly. Increase MCT timer rating
> and hotplug priority over ARM Archictected timer driver to achieve that.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
> v2: added comments about the relation to ARM arch timer
> rebased onto v5.1-rc1
> v1: https://patchwork.kernel.org/patch/10814921/
> ---
> drivers/clocksource/exynos_mct.c | 4 ++--
> include/linux/cpuhotplug.h | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
> index 34bd250d46c6..6aa10cbc1d59 100644
> --- a/drivers/clocksource/exynos_mct.c
> +++ b/drivers/clocksource/exynos_mct.c
> @@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
>
> static struct clocksource mct_frc = {
> .name = "mct-frc",
> - .rating = 400,
> + .rating = 450, /* use value higher than ARM arch timer */
> .read = exynos4_frc_read,
> .mask = CLOCKSOURCE_MASK(32),
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> @@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
> 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->rating = 450;
> + evt->rating = 500; /* use value higher than ARM arch timer */
>
> exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
>
> diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> index e78281d07b70..53fb48de9589 100644
> --- a/include/linux/cpuhotplug.h
> +++ b/include/linux/cpuhotplug.h
> @@ -115,10 +115,10 @@ enum cpuhp_state {
> CPUHP_AP_PERF_ARM_ACPI_STARTING,
> CPUHP_AP_PERF_ARM_STARTING,
> CPUHP_AP_ARM_L2X0_STARTING,
> + CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_ARCH_TIMER_STARTING,
> CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
> CPUHP_AP_JCORE_TIMER_STARTING,
> - CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_TWD_STARTING,
> CPUHP_AP_QCOM_TIMER_STARTING,
> CPUHP_AP_TEGRA_TIMER_STARTING,
>
As the cover-letter, the arch-timer of Exynos SoC
used the h/w block of MCT. I agree.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
@ 2019-03-21 12:30 ` Chanwoo Choi
0 siblings, 0 replies; 6+ messages in thread
From: Chanwoo Choi @ 2019-03-21 12:30 UTC (permalink / raw)
To: Marek Szyprowski, linux-kernel, linux-samsung-soc, linux-arm-kernel
Cc: Thomas Gleixner, Daniel Lezcano, Krzysztof Kozlowski,
Bartlomiej Zolnierkiewicz
Hi Marek,
On 19. 3. 21. 오후 5:26, Marek Szyprowski wrote:
> Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
> Architected Timers (arch_timer), because they both share some common
> hardware blocks (global system counter) and turning on MCT is needed
> to get ARM Architected Timer working properly. Increase MCT timer rating
> and hotplug priority over ARM Archictected timer driver to achieve that.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
> v2: added comments about the relation to ARM arch timer
> rebased onto v5.1-rc1
> v1: https://patchwork.kernel.org/patch/10814921/
> ---
> drivers/clocksource/exynos_mct.c | 4 ++--
> include/linux/cpuhotplug.h | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
> index 34bd250d46c6..6aa10cbc1d59 100644
> --- a/drivers/clocksource/exynos_mct.c
> +++ b/drivers/clocksource/exynos_mct.c
> @@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
>
> static struct clocksource mct_frc = {
> .name = "mct-frc",
> - .rating = 400,
> + .rating = 450, /* use value higher than ARM arch timer */
> .read = exynos4_frc_read,
> .mask = CLOCKSOURCE_MASK(32),
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> @@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
> 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->rating = 450;
> + evt->rating = 500; /* use value higher than ARM arch timer */
>
> exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
>
> diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> index e78281d07b70..53fb48de9589 100644
> --- a/include/linux/cpuhotplug.h
> +++ b/include/linux/cpuhotplug.h
> @@ -115,10 +115,10 @@ enum cpuhp_state {
> CPUHP_AP_PERF_ARM_ACPI_STARTING,
> CPUHP_AP_PERF_ARM_STARTING,
> CPUHP_AP_ARM_L2X0_STARTING,
> + CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_ARCH_TIMER_STARTING,
> CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
> CPUHP_AP_JCORE_TIMER_STARTING,
> - CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_TWD_STARTING,
> CPUHP_AP_QCOM_TIMER_STARTING,
> CPUHP_AP_TEGRA_TIMER_STARTING,
>
As the cover-letter, the arch-timer of Exynos SoC
used the h/w block of MCT. I agree.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
2019-03-21 8:26 ` Marek Szyprowski
@ 2019-04-25 6:29 ` Marek Szyprowski
-1 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2019-04-25 6:29 UTC (permalink / raw)
To: Thomas Gleixner
Cc: linux-kernel, linux-samsung-soc, linux-arm-kernel,
Daniel Lezcano, Krzysztof Kozlowski, Chanwoo Choi,
Bartlomiej Zolnierkiewicz
Hi All
On 2019-03-21 09:26, Marek Szyprowski wrote:
> Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
> Architected Timers (arch_timer), because they both share some common
> hardware blocks (global system counter) and turning on MCT is needed
> to get ARM Architected Timer working properly. Increase MCT timer rating
> and hotplug priority over ARM Archictected timer driver to achieve that.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Thomas: could you comment or accept this change? Daniel said that he
leaves this for you: https://patchwork.kernel.org/patch/10814921/#22486971
> ---
> v2: added comments about the relation to ARM arch timer
> rebased onto v5.1-rc1
> v1: https://patchwork.kernel.org/patch/10814921/
> ---
> drivers/clocksource/exynos_mct.c | 4 ++--
> include/linux/cpuhotplug.h | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
> index 34bd250d46c6..6aa10cbc1d59 100644
> --- a/drivers/clocksource/exynos_mct.c
> +++ b/drivers/clocksource/exynos_mct.c
> @@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
>
> static struct clocksource mct_frc = {
> .name = "mct-frc",
> - .rating = 400,
> + .rating = 450, /* use value higher than ARM arch timer */
> .read = exynos4_frc_read,
> .mask = CLOCKSOURCE_MASK(32),
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> @@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
> 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->rating = 450;
> + evt->rating = 500; /* use value higher than ARM arch timer */
>
> exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
>
> diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> index e78281d07b70..53fb48de9589 100644
> --- a/include/linux/cpuhotplug.h
> +++ b/include/linux/cpuhotplug.h
> @@ -115,10 +115,10 @@ enum cpuhp_state {
> CPUHP_AP_PERF_ARM_ACPI_STARTING,
> CPUHP_AP_PERF_ARM_STARTING,
> CPUHP_AP_ARM_L2X0_STARTING,
> + CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_ARCH_TIMER_STARTING,
> CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
> CPUHP_AP_JCORE_TIMER_STARTING,
> - CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_TWD_STARTING,
> CPUHP_AP_QCOM_TIMER_STARTING,
> CPUHP_AP_TEGRA_TIMER_STARTING,
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer
@ 2019-04-25 6:29 ` Marek Szyprowski
0 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2019-04-25 6:29 UTC (permalink / raw)
To: Thomas Gleixner
Cc: linux-samsung-soc, Bartlomiej Zolnierkiewicz, Daniel Lezcano,
linux-kernel, Krzysztof Kozlowski, Chanwoo Choi,
linux-arm-kernel
Hi All
On 2019-03-21 09:26, Marek Szyprowski wrote:
> Exynos Multi-Core Timer driver (exynos_mct) must be started before ARM
> Architected Timers (arch_timer), because they both share some common
> hardware blocks (global system counter) and turning on MCT is needed
> to get ARM Architected Timer working properly. Increase MCT timer rating
> and hotplug priority over ARM Archictected timer driver to achieve that.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Thomas: could you comment or accept this change? Daniel said that he
leaves this for you: https://patchwork.kernel.org/patch/10814921/#22486971
> ---
> v2: added comments about the relation to ARM arch timer
> rebased onto v5.1-rc1
> v1: https://patchwork.kernel.org/patch/10814921/
> ---
> drivers/clocksource/exynos_mct.c | 4 ++--
> include/linux/cpuhotplug.h | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
> index 34bd250d46c6..6aa10cbc1d59 100644
> --- a/drivers/clocksource/exynos_mct.c
> +++ b/drivers/clocksource/exynos_mct.c
> @@ -209,7 +209,7 @@ static void exynos4_frc_resume(struct clocksource *cs)
>
> static struct clocksource mct_frc = {
> .name = "mct-frc",
> - .rating = 400,
> + .rating = 450, /* use value higher than ARM arch timer */
> .read = exynos4_frc_read,
> .mask = CLOCKSOURCE_MASK(32),
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> @@ -464,7 +464,7 @@ static int exynos4_mct_starting_cpu(unsigned int cpu)
> 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->rating = 450;
> + evt->rating = 500; /* use value higher than ARM arch timer */
>
> exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
>
> diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> index e78281d07b70..53fb48de9589 100644
> --- a/include/linux/cpuhotplug.h
> +++ b/include/linux/cpuhotplug.h
> @@ -115,10 +115,10 @@ enum cpuhp_state {
> CPUHP_AP_PERF_ARM_ACPI_STARTING,
> CPUHP_AP_PERF_ARM_STARTING,
> CPUHP_AP_ARM_L2X0_STARTING,
> + CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_ARCH_TIMER_STARTING,
> CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
> CPUHP_AP_JCORE_TIMER_STARTING,
> - CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
> CPUHP_AP_ARM_TWD_STARTING,
> CPUHP_AP_QCOM_TIMER_STARTING,
> CPUHP_AP_TEGRA_TIMER_STARTING,
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-04-25 6:30 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <CGME20190321082621eucas1p16d48ef152cd76edb7d46e8c773fa000e@eucas1p1.samsung.com>
2019-03-21 8:26 ` [PATCH v2] clocksource: exynos_mct: Increase priority over ARM arch timer Marek Szyprowski
2019-03-21 8:26 ` Marek Szyprowski
2019-03-21 12:30 ` Chanwoo Choi
2019-03-21 12:30 ` Chanwoo Choi
2019-04-25 6:29 ` Marek Szyprowski
2019-04-25 6:29 ` Marek Szyprowski
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