On Fri, Nov 7, 2014 at 5:28 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote:
On Wed, Nov 05, 2014 at 01:15:31PM +, Chander Kashyap wrote:
Exynos7 has core power down state where cores can be powered off
independently.
...has a core power down idle state...
This patch adds support
cpuidle entry and exit.
2. WFI is skipped for measuring the time.
3. Select the worst case time in a set of 10 cpuidle transactions,
with varying load.
Exit latency and min residency values are supplied as per HW team.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Lorenzo
Sorry for very late response. As i was on vacation so couldn’t reply.
On Tue, Oct 21, 2014 at 10:03 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote:
On Fri, Oct 17, 2014 at 10:43:59AM +0100, Chander Kashyap wrote:
Hi Lorenzo,
On Wed, Oct 15, 2014 at 2:30 PM, Lorenzo Pieralisi
. Select the worst case time in the set of 10 cpuidle transactions,
with varying load.
Exit latency and target residency are supplied as per HW team
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
This patch has following dependencies:
- [PATCH v5 0/8] arch: arm64: Enable support
Exynos7 has core power down state where cores can be powered off independently.
This patch adds support for this state.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
This patch has following dependencies:
- [PATCH v5 0/8] arch: arm64: Enable support for Samsung Exynos7 SoC
Hi Lorenzo,
On Wed, Oct 15, 2014 at 2:30 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote:
On Wed, Oct 15, 2014 at 07:35:20AM +0100, Chander Kashyap wrote:
Exynos7 has core power down state where cores can be powered off
independently.
This patch adds support for this state.
Please
Exynos7 has core power down state where cores can be powered off independently.
This patch adds support for this state.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
This patch has following dependencies:
- [PATCH v5 0/8] arch: arm64: Enable support for Samsung Exynos7 SoC
Hi Kevin, Tomasz,
On Sat, Aug 23, 2014 at 5:32 AM, Tomasz Figa tomasz.f...@gmail.com wrote:
Hi Kevin,
Thanks for taking a look at this.
On 23.08.2014 01:54, Kevin Hilman wrote:
Tomasz Figa tomasz.f...@gmail.com writes:
Kukjin,
On 31.07.2014 20:32, Kukjin Kim wrote:
On 07/30/14 17:07,
Hi Kevin,
On Mon, Aug 25, 2014 at 9:02 PM, Kevin Hilman khil...@linaro.org wrote:
Hi Chander,
Chander Kashyap k.chan...@samsung.com writes:
[...]
I'm trying it on the 5800/Chromebook2 and it's not terribly stable. I'm
testing along with CPUidle, so there may be some untested interactions
On Mon, Aug 11, 2014 at 11:52 AM, Chander Kashyap k.chan...@samsung.com wrote:
As save/restore of arm diagnostic and power registers is handled by
generic code, so remove the same.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
arch/arm/mach-exynos/pm.c | 54
As save/restore of arm diagnostic and power registers is handled by
generic code, so remove the same.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
arch/arm/mach-exynos/pm.c | 54 ++---
1 file changed, 2 insertions(+), 52 deletions(-)
diff
On Tue, Jul 15, 2014 at 5:45 PM, Tomasz Figa t.f...@samsung.com wrote:
On 15.07.2014 13:19, Bartlomiej Zolnierkiewicz wrote:
Hi,
On Monday, July 14, 2014 11:54:48 AM Tomasz Figa wrote:
Hi Kukjin,
On 25.06.2014 13:52, Tomasz Figa wrote:
Due to recent consolidation of Exynos suspend and
Hi Tomasz,
On Tue, Jul 15, 2014 at 11:11 PM, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
Please see my comments inline.
On 01.07.2014 16:32, Chander Kashyap wrote:
Pre/post platform specific cpuidle operations are handled by pm_notifier.
But these operations are not same for all
On Tue, Jul 8, 2014 at 7:47 PM, Russell King - ARM Linux
li...@arm.linux.org.uk wrote:
On Tue, Jul 08, 2014 at 03:56:48PM +0200, Tomasz Figa wrote:
On 02.07.2014 05:11, Chander Kashyap wrote:
On Tue, Jul 1, 2014 at 8:22 PM, Russell King - ARM Linux
li...@arm.linux.org.uk wrote:
On Tue, Jul
power control register on Cortex-A9 suspend/resume
http://www.spinics.net/lists/arm-kernel/msg343320.html
Chander Kashyap (2):
ARM: Exynos: remove arm diagnostic and power register save/restore
code
cpuidle: Exynos: fix cpuidle for all states
arch/arm/mach-exynos/common.h|2
Pre/post platform specific cpuidle operations are handled by pm_notifier.
But these operations are not same for all cpuidle states. Handle this by
moving cpuidle specific code from pm_notifier to cpuidle specific function.
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
arch/arm/mach
On Tue, Jul 1, 2014 at 8:22 PM, Russell King - ARM Linux
li...@arm.linux.org.uk wrote:
On Tue, Jul 01, 2014 at 08:02:36PM +0530, Chander Kashyap wrote:
This patch series fixes the cpuidle for different states. Also removes arm
diagnostic and power register save/restore code as it is made
On Fri, Apr 11, 2014 at 4:10 PM, Daniel Lezcano
daniel.lezc...@linaro.org wrote:
The code to initiate and exit the powerdown sequence is the same in pm.c and
cpuidle.c.
Let's split the common part in the pm.c and reuse it from the cpu_pm notifier.
That is one more step forward to make the
On Thu, Jun 26, 2014 at 3:18 PM, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 26.06.2014 11:07, Chander Kashyap wrote:
On Fri, Apr 11, 2014 at 4:10 PM, Daniel Lezcano
daniel.lezc...@linaro.org wrote:
[snip]
@@ -359,6 +373,7 @@ static int exynos_cpu_pm_notifier(struct
Hi Doug,
On 13 June 2014 20:40, Doug Anderson diand...@chromium.org wrote:
Chander,
On Fri, Jun 13, 2014 at 4:54 AM, Chander Kashyap k.chan...@samsung.com
wrote:
This patch is effectively changing the mcpm_entry_point address from
nsbase + 0x1c to nsbase + 0x8
Hence while integrating
From: Chander Kashyap chander.kash...@linaro.org
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan
From: Chander Kashyap chander.kash...@linaro.org
Add support to select generic big-little cpuidle driver for Samsung Exynos
series SoC's. This is required for Exynos big-llittle SoC's eg, Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan
From: Chander Kashyap chander.kash...@linaro.org
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan
From: Chander Kashyap chander.kash...@linaro.org
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Reviewed-by: Tomasz Figa t.f
From: Chander Kashyap chander.kash...@linaro.org
This driver will be used by many big.Little Soc's. As of now it does
string matching of hardcoded compatible string to init the driver. This
comparison list will keep on growing with addition of new SoC's.
Hence add of_device_id structure
From: Chander Kashyap chander.kash...@linaro.org
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case of multi-cluster SoC's e.g Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
This patchset adds cpuidle support for Exynos5420 SoC based on
generic big.little cpuidle driver.
Tested on SMDK5420.
Rebased on 3.16-rc1
Changelog is in respective patches.
Chander Kashyap (5):
driver: cpuidle-big
On Wed, Jun 11, 2014 at 8:58 PM, Kukjin Kim kgene@samsung.com wrote:
On 06/12/14 00:19, Doug Anderson wrote:
Chander,
On Tue, Jun 10, 2014 at 9:52 PM, Chander Kashyapk.chan...@samsung.com
wrote:
Hi Doug,
On Tue, Jun 10, 2014 at 9:19 PM, Nicolas Pitrenicolas.pi...@linaro.org
wrote:
On Wed, Jun 11, 2014 at 3:43 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote:
On Wed, Jun 11, 2014 at 05:52:10AM +0100, Chander Kashyap wrote:
Hi Doug,
On Tue, Jun 10, 2014 at 9:19 PM, Nicolas Pitre nicolas.pi...@linaro.org
wrote:
On Tue, 10 Jun 2014, Doug Anderson wrote:
My S
On 11 June 2014 18:45, Lorenzo Pieralisi lorenzo.pieral...@arm.com wrote:
On Wed, Jun 11, 2014 at 01:14:21PM +0100, Chander Kashyap wrote:
On Wed, Jun 11, 2014 at 3:43 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote:
On Wed, Jun 11, 2014 at 05:52:10AM +0100, Chander Kashyap wrote:
Hi
this list: send the line unsubscribe linux-samsung-soc
in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
--
with warm regards,
Chander Kashyap
--
To unsubscribe from this list: send the line unsubscribe linux-samsung-soc
Hi Doug,
On Tue, Jun 10, 2014 at 9:19 PM, Nicolas Pitre nicolas.pi...@linaro.org wrote:
On Tue, 10 Jun 2014, Doug Anderson wrote:
My S-state knowledge is not strong, but I believe that Lorenzo's
questions matter if we're using S2 for CPUidle (where we actually turn
off power and hot unplug
On 28 May 2014 14:32, Daniel Lezcano daniel.lezc...@linaro.org wrote:
On 05/28/2014 06:35 AM, Kukjin Kim wrote:
Chander Kashyap wrote:
On 26 May 2014 15:59, Tomasz Figa tomasz.f...@gmail.com wrote:
Hi Chander,
On 16.05.2014 10:03, Chander Kashyap wrote:
Exynos5420 is a big-little Soc
On 26 May 2014 15:59, Tomasz Figa tomasz.f...@gmail.com wrote:
Hi Chander,
On 16.05.2014 10:03, Chander Kashyap wrote:
Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
This patchset adds cpuidle support for Exynos5420 SoC based on
generic big.little cpuidle driver
On 19 May 2014 11:10, Chander Kashyap chander.kash...@linaro.org wrote:
Hi Daniel/Kgene,
On 16 May 2014 13:33, Chander Kashyap chander.kash...@linaro.org wrote:
Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
This patchset adds cpuidle support for Exynos5420 SoC
Hi Daniel/Kgene,
On 16 May 2014 13:33, Chander Kashyap chander.kash...@linaro.org wrote:
Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
This patchset adds cpuidle support for Exynos5420 SoC based on
generic big.little cpuidle driver.
Tested on SMDK5420
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case of multi-cluster SoC's e.g Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
://www.spinics.net/lists/arm-kernel/msg331100.html
Changelog is in respective patches.
Chander Kashyap (5):
driver: cpuidle-big-little: add of_device_id structure
arm: exynos: add generic function to calculate cpu number
cpuidle: config: Add ARCH_EXYNOS entry to select cpuidle-big-little
driver
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v6: None
Changes in v5
Add support to select generic big-little cpuidle driver for Samsung Exynos
series SoC's. This is required for Exynos big-llittle SoC's eg, Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v4:
1. Typo
this driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
drivers/cpuidle/cpuidle-big_little.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle-big_little.c
b/drivers/cpuidle
Hi Tomasz,
On 16 May 2014 02:56, Tomasz Figa tomasz.f...@gmail.com wrote:
Hi Chander,
On 14.05.2014 10:03, Chander Kashyap wrote:
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle
driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed
On 9 May 2014 14:04, Chander Kashyap chander.kash...@linaro.org wrote:
On 9 May 2014 13:47, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 09.05.2014 09:50, Chander Kashyap wrote:
On 5 May 2014 09:37, Chander Kashyap chander.kash...@linaro.org wrote:
On 25 April 2014 11:14, Chander
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v5:
1. Add
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case of multi-cluster SoC's e.g Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
://www.spinics.net/lists/arm-kernel/msg331100.html
Changelog is in respective patches.
Chander Kashyap (5):
driver: cpuidle-big-little: add of_device_id structure
arm: exynos: add generic function to calculate cpu number
cpuidle: config: Add ARCH_EXYNOS entry to select cpuidle-big-little
driver
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc...@linaro.org
---
Changes in v4: None
this driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
drivers/cpuidle/cpuidle-big_little.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle-big_little.c
b/drivers/cpuidle
Add support to select generic big-little cpuidle driver for Samsung Exynos
series SoC's. This is required for Exynos big-little SoC's eg, Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v4:
1. Typo
Hi Daniel,
On 14 May 2014 15:26, Daniel Lezcano daniel.lezc...@linaro.org wrote:
On 05/14/2014 10:03 AM, Chander Kashyap wrote:
Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
This patchset adds cpuidle support for Exynos5420 SoC based on
generic big.little cpuidle
Hi Lorenzo
On 9 May 2014 21:02, Lorenzo Pieralisi lorenzo.pieral...@arm.com wrote:
On Mon, May 05, 2014 at 10:27:20AM +0100, Chander Kashyap wrote:
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks
Hi Lorenzo,
On 13 May 2014 22:44, Lorenzo Pieralisi lorenzo.pieral...@arm.com wrote:
On Tue, May 13, 2014 at 12:43:31PM +0100, Chander Kashyap wrote:
[...]
+static void exynos_suspend(u64 residency)
+{
+ unsigned int mpidr, cpunr;
+
+ mpidr = read_cpuid_mpidr
: send the line unsubscribe linux-samsung-soc
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--
with warm regards,
Chander Kashyap
--
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On 14 May 2014 08:32, Nicolas Pitre nicolas.pi...@linaro.org wrote:
On Wed, 14 May 2014, Chander Kashyap wrote:
On 14 May 2014 08:14, Abhilash Kesavan kesavan.abhil...@gmail.com wrote:
Hi Lorenzo,
On Tue, May 13, 2014 at 10:18 PM, Lorenzo Pieralisi
lorenzo.pieral...@arm.com wrote
On 5 May 2014 09:37, Chander Kashyap chander.kash...@linaro.org wrote:
On 25 April 2014 11:14, Chander Kashyap chander.kash...@linaro.org wrote:
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case
On 9 May 2014 13:47, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 09.05.2014 09:50, Chander Kashyap wrote:
On 5 May 2014 09:37, Chander Kashyap chander.kash...@linaro.org wrote:
On 25 April 2014 11:14, Chander Kashyap chander.kash...@linaro.org wrote:
The address of cpu power
patches.
Chander Kashyap (5):
driver: cpuidle-big-little: add of_device_id structure
cpuidle: config: Add ARCH_EXYNOS entry to select cpuidle-big-little
driver
driver: cpuidle: cpuidle-big-little: init driver for Exynos5420
exynos: cpuidle: do not allow cpuidle registration
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v3:
1. Removed
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc...@linaro.org
---
Changes in v3:
1
Exynos5420 is a big-little SoC from Samsung. It has 4 A15 and 4 A7 cores.
In order to use generic cpuidle-big-little driver, this patch adds Exynos5420
specific check to initialize generic cpuidle driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap
this driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
drivers/cpuidle/cpuidle-big_little.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle-big_little.c
b/drivers/cpuidle
Hi Andreas,
On 5 May 2014 14:29, Andreas Färber afaer...@suse.de wrote:
Hi,
Am 05.05.2014 10:27, schrieb Chander Kashyap:
Exynos5420 is a big-little SoC from Samsung. It has 4 A15 and 4 A7 cores.
In order to use generic cpuidle-big-little driver, this patch adds Exynos5420
specific check
patches.
Chander Kashyap (5):
driver: cpuidle-big-little: add of_device_id structure
cpuidle: config: Add ARCH_EXYNOS entry to select cpuidle-big-little
driver
driver: cpuidle: cpuidle-big-little: init driver for Exynos5420
exynos: cpuidle: do not allow cpuidle registration
this driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
drivers/cpuidle/cpuidle-big_little.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle-big_little.c
b/drivers/cpuidle
Add support to select generic big-little cpuidle driver for Samsung Exynos
series SoC's. This is required for Exynos big-llittle SoC's eg, Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v4:
1. Typo
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc...@linaro.org
---
Changes in v4: None
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
Acked-by: Daniel Lezcano daniel.lezc
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
Changes in v4: None
Changes in v3
On 25 April 2014 11:14, Chander Kashyap chander.kash...@linaro.org wrote:
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case of multicluster SoC's e.g Exynos5420.
Signed-off-by: Chander Kashyap
On 24 April 2014 13:18, Chander Kashyap chander.kash...@linaro.org wrote:
On 22 April 2014 17:55, Chander Kashyap chander.kash...@linaro.org wrote:
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two
The address of cpu power registers in pmu is based on cpu number
offsets. This function calculate the same. This is essentially
required in case of multicluster SoC's e.g Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
On 23 April 2014 21:32, Lorenzo Pieralisi lorenzo.pieral...@arm.com wrote:
[added Nico in CC]
On Wed, Apr 23, 2014 at 10:25:54AM +0100, Chander Kashyap wrote:
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate
On 23 April 2014 22:02, Lorenzo Pieralisi lorenzo.pieral...@arm.com wrote:
On Wed, Apr 23, 2014 at 10:25:52AM +0100, Chander Kashyap wrote:
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash
On 22 April 2014 17:55, Chander Kashyap chander.kash...@linaro.org wrote:
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off
Hi Daniel,
On 22 April 2014 16:12, Daniel Lezcano daniel.lezc...@linaro.org wrote:
On 04/21/2014 01:49 PM, Chander Kashyap wrote:
Exynos5420 is a big-little SoC from Samsung. It has 4 A15 and 4 A7 cores.
In order to use generic cpuidle-big-little driver, this patch adds
Exynos5420
specific
On 22 April 2014 16:21, Daniel Lezcano daniel.lezc...@linaro.org wrote:
On 04/21/2014 01:49 PM, Chander Kashyap wrote:
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander
://www.spinics.net/lists/arm-kernel/msg321666.html
2. [PATCH v4] arm: exynos: generalize power register address calculation
http://www.spinics.net/lists/arm-kernel/msg324024.html
Changelog is in respective patches.
Chander Kashyap (4):
cpuidle: config: Add SOC_EXYNOS5420
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
changes in v5:
1. Fix
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.org
---
changes in v4:
1
Add samsung,exynos5420 compatible string to initialize generic
big-little cpuidle driver for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.org
---
drivers/cpuidle/cpuidle-big_little.c |3 ++-
1 file changed, 2
://www.spinics.net/lists/arm-kernel/msg321666.html
2. [PATCH v4] arm: exynos: generalize power register address calculation
http://www.spinics.net/lists/arm-kernel/msg324024.html
Chander Kashyap (4):
cpuidle: config: Add SOC_EXYNOS5420 entry to select
cpuidle-big
Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
Hence do not allow exynos cpuidle driver registration for Exynos5420.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
arch/arm/mach-exynos/cpuidle.c
In order to support cpuidle through mcpm, suspend and powered-up
callbacks are required in mcpm platform code.
Hence populate the same callbacks.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap k.chan...@samsung.com
---
arch/arm/mach-exynos/mcpm-exynos.c
Exynos5420 is a big-little SoC from Samsung. It has 4 A15 and 4 A7 cores.
In order to use generic cpuidle-big-little driver, this patch adds Exynos5420
specific check to initialize generic cpuidle driver.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
Signed-off-by: Chander Kashyap
Hi Tomasz,
On 18 April 2014 19:42, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 15.04.2014 09:38, Chander Kashyap wrote:
Currently status/configuration power register values are hard-coded for
cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed
));
}
}
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Chander Kashyap
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Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
---
changes in v3:
1. Move cpunr calculation to a macro
2. Changed
Hi,
On 10 April 2014 11:18, Chander Kashyap chander.kash...@linaro.org wrote:
Hi Tomasz,
On 9 April 2014 20:15, Tomasz Figa t.f...@samsung.com wrote:
On 09.04.2014 15:49, Chander Kashyap wrote:
Hi Tomasz,
On 9 April 2014 17:19, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
---
changes in v2 : Used existing macros for clusterid and cpuid calculation
arch/arm
Hi Tomasz,
On 9 April 2014 17:19, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 09.04.2014 13:09, Chander Kashyap wrote:
Currently status/configuration power register values are hard-coded for
cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed
Hi Tomasz,
On 9 April 2014 20:15, Tomasz Figa t.f...@samsung.com wrote:
On 09.04.2014 15:49, Chander Kashyap wrote:
Hi Tomasz,
On 9 April 2014 17:19, Tomasz Figa t.f...@samsung.com wrote:
Hi Chander,
On 09.04.2014 13:09, Chander Kashyap wrote:
Currently status/configuration power
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Chander Kashyap
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the body
Currently status/configuration power register values are hard-coded for cpu1.
Make it generic so that it is useful for SoC's with more than two cpus.
Signed-off-by: Chander Kashyap chander.kash...@linaro.org
---
arch/arm/mach-exynos/hotplug.c | 10 +++---
arch/arm/mach-exynos/platsmp.c
Ping
On 26 November 2013 13:37, Chander Kashyap chander.kash...@linaro.org wrote:
Hi Mike,
On 22 October 2013 11:20, Chander Kashyap chander.kash...@linaro.org wrote:
On 16 October 2013 11:10, Chander Kashyap chander.kash...@linaro.org wrote:
On 26 September 2013 14:36, Chander Kashyap
Hi Kukjin,
On 25 November 2013 12:08, Chander Kashyap chander.kash...@linaro.org wrote:
Hi Kukjin,
On 12 November 2013 17:12, Kukjin Kim kg...@kernel.org wrote:
Chander Kashyap wrote:
Hi Kukjin,
On 7 October 2013 09:47, Chander Kashyap chander.kash...@linaro.org
wrote:
Exynos5420
Hi Mike,
On 22 October 2013 11:20, Chander Kashyap chander.kash...@linaro.org wrote:
On 16 October 2013 11:10, Chander Kashyap chander.kash...@linaro.org wrote:
On 26 September 2013 14:36, Chander Kashyap chander.kash...@linaro.org
wrote:
Fixes cpll control and lock register offset values
Hi Kikjin,
On 21 October 2013 02:32, Kukjin Kim kgene@samsung.com wrote:
On 10/18/13 02:53, Tomasz Figa wrote:
Hi Kukjin,
On Thursday 26 of September 2013 14:05:09 Kukjin Kim wrote:
Chander Kashyap wrote:
Replace irq_domain_add_simple with irq_domain_add_linear in order to
use
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