From: Maulik Shah
The return index value from bitmap_find_next_zero_area can be higher
than available slot. So correct the check to return error in such case.
Signed-off-by: Maulik Shah
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-rsc.c | 2 +-
1 file changed, 1 insertion(+), 1
or suspend.
[1] https://patchwork.kernel.org/patch/10477533/
Signed-off-by: Raju P.L.S.S.S.N
Reviewed-by: Lina Iyer
Reviewed-by: Evan Green
---
drivers/soc/qcom/rpmh.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index
Hi,
This series consists of couple of fixes identified in RPMh driver.
Please consider reviewing the patches.
Maulik Shah (1):
drivers: soc: qcom: rpmh-rsc: Correct check for slot number
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh: avoid sending sleep/wake sets immediately
drivers/soc/qcom
such mode, disallow
requests from platform drivers for state change using the RSC.
Signed-off-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-internal.h | 5
drivers/soc/qcom/rpmh-rsc.c | 30 +++
drivers/soc/qcom/rpmh.c
/2019/2/18/714
Lina Iyer (2):
drivers: qcom: rpmh-rsc: return if the controller is idle
drivers: qcom: rpmh: disallow active requests in solver mode
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh-rsc: simplify TCS locking
drivers/soc/qcom/rpmh-internal.h | 8 ++-
drivers/soc/qcom/rpmh-rsc.c
: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-internal.h | 1 +
drivers/soc/qcom/rpmh-rsc.c | 24
drivers/soc/qcom/rpmh.c | 13 +
include/soc/qcom/rpmh.h | 5 +
4 files changed, 43 insertions(+)
diff --git a
read of TCS registers.
- Use spin_lock instead of _irq variants as the locks are not held
in interrupt context
Suggested-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-internal.h | 2 --
drivers/soc/qcom/rpmh-rsc.c | 37 +++-
driv
gned-off-by: Raju P.L.S.S.S.N
Reviewed-by: Matthias Kaehlcke
---
drivers/soc/qcom/rpmh-rsc.c | 77 ++---
1 file changed, 54 insertions(+), 23 deletions(-)
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index 75bd9a83aef0..6cc7f219ce48 10
-on
power domain. Programming the wakeup value is done through a separate
register on the RSC.
Signed-off-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
Reviewed-by: Matthias Kaehlcke
---
drivers/soc/qcom/rpmh-internal.h | 4 +++-
drivers/soc/qcom/rpmh-rsc.c | 35
5/
[4] https://patchwork.kernel.org/patch/10546857/
Lina Iyer (1):
drivers: qcom: rpmh: write PDC data
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh-rsc: clear active mode configuration for wake TCS
drivers/soc/qcom/rpmh-internal.h | 4 +-
drivers/soc/qcom/r
Add PDC timer node for apps_rsc to program next wake-up
timer value.
Signed-off-by: Raju P.L.S.S.S.N
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index
Add suspend power management ops so that the PDC timer is programmed
to highest match value when system is suspended.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/Kconfig | 2 +-
drivers/soc/qcom/rpmh-pdc-timer.c | 24
2 files changed, 25 insertions
Add device binding documentation for Qualcomm Technology Inc's PDC timer.
The driver is used for programming next wake-up timer value when processor
enters SoC level deepest low power state.
Cc: devicet...@vger.kernel.org
Signed-off-by: Raju P.L.S.S.S.N
---
.../devicetree/bindings/soc/qcom
The RSC controller has dedicated control registers to
send next wakeup timer vale to PDC. The timer value
needs to be programmed by sleep driver client. So add
regmap for the controller.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-rsc.c | 14 ++
1 file changed, 14
interrupt.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/Kconfig | 9 ++
drivers/soc/qcom/Makefile | 1 +
drivers/soc/qcom/rpmh-pdc-timer.c | 181 ++
3 files changed, 191 insertions(+)
create mode 100644 drivers/soc/qcom/rpmh-pdc-timer.c
diff
/patch/1019432/
Raju P.L.S.S.S.N (5):
drivers: qcom: rpmh-rsc: Add regmap for RSC controller
drivers: qcom: rpmh-pdc-timer: add PDC timer support for RPMH based
SoCs
dt-bindings: Add PDC timer bindings for Qualcomm SoCs
drivers: qcom: rpmh-pdc-timer: Add power management ops
arm64: dts
Add device bindings for cpuidle states for cpu devices.
Cc:
Signed-off-by: Raju P.L.S.S.S.N
---
Changes in v2
- Address comments from Doug
---
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 62
1 file changed, 62 insertions(+)
diff --git a/arch/arm64/boot/dts
or suspend.
[1]https://patchwork.kernel.org/patch/10477533/
Signed-off-by: Raju P.L.S.S.S.N
Reviewed-by: Lina Iyer
---
drivers/soc/qcom/rpmh.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index e6e98d4..877fe78 100644
Add device bindings for cpuidle states for cpu devices.
Cc:
Signed-off-by: Raju P.L.S.S.S.N
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 62
1 file changed, 62 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845
Add device binding documentation for Qualcomm Technology Inc's cpu
domain driver. The driver is used for managing system sleep activities
that are required when application processor is going to deepest low
power mode.
Cc: devicet...@vger.kernel.org
Signed-off-by: Raju P.L.S.
Add cpu power domain support
Signed-off-by: Raju P.L.S.S.S.N
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 13 +
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi
b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index d3662a8..aadaa20 100644
--- a/arch/arm64
low power mode. So add cpu power domain using Linux
generic power domain infrastructure to perform necessary tasks as part
of domain power down.
Suggested-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/Kconfig | 9
drivers/soc/qcom/Makefile | 1 +
drivers/soc/qcom
Use cpu hotplug callback mechanism to attach/dettach the cpu in
the cpu power domain. During cpu hotplug callback registration,
the starting callback is invoked on all online cpus. So there is
no need to attach from device probe.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/cpu_pd.c
provided in RSC address space for this purpose. PDC wakes-up
the RSC and sets up the resources back in active state before the
processor is woken up by a timer interrupt.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/Kconfig | 2 +-
drivers/soc/qcom/cpu_pd.c | 79
that
the CPU device has a valid PM domain pointer assigned, as to make sure it
belongs to genpd.
Cc: Lina Iyer
Co-developed-by: Lina Iyer
Signed-off-by: Ulf Hansson
[rpls...@codeaurora.org: Fix compilation issue]
Signed-off-by: Raju P.L.S.S.S.N
(am from https://patchwork.kernel.org/patch/10478167
uct device,
via calling pm_runtime_put_sync_suspend(). Then, at the point when the CPU
resumes from idle, let's increase the runtime PM usage count, via calling
pm_runtime_get_sync().
Cc: Lina Iyer
Co-developed-by: Lina Iyer
Signed-off-by: Ulf Hansson
Signed-off-by: Raju P.L.S.S.S.N
d-off-by: Raju P.L.S.S.S.N
(am from https://patchwork.kernel.org/patch/10478021/)
---
include/linux/tick.h | 8
kernel/time/tick-sched.c | 10 ++
2 files changed, 18 insertions(+)
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 55388ab..e48f6b2 100644
--- a/in
0478153/
[7]. https://patchwork.kernel.org/patch/10478021/
[8]. https://lkml.org/lkml/2018/6/20/807
Lina Iyer (1):
timer: Export next wakeup time of a CPU
Raju P.L.S.S.S.N (5):
drivers: qcom: cpu_pd: add cpu power domain support using genpd
dt-bindings: introduce cpu power domain bindings for Qual
/20/519
[2] https://lkml.org/lkml/2018/10/3/422
Lina Iyer (2):
drivers: qcom: rpmh-rsc: return if the controller is idle
drivers: qcom: rpmh: disallow active requests in solver mode
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh-rsc: simplify TCS locking
drivers/soc/qcom/rpmh-internal.h | 8 +++
: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
changes in v3
- Add lock check to avoid potential race as suggested by Matthias
---
drivers/soc/qcom/rpmh-internal.h | 1 +
drivers/soc/qcom/rpmh-rsc.c | 24
drivers/soc/qcom/rpmh.c | 13 +
include/soc
read of TCS registers.
- Use spin_lock instead of _irq variants as the locks are not held
in interrupt context
Suggested-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
This patch is based on https://lkml.org/lkml/2018/10/3/422
---
drivers/soc/qcom/rpmh-internal.h | 2 --
drivers/soc/qco
such mode, disallow
requests from platform drivers for state change using the RSC.
Signed-off-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
Chanages in v3
- Add functionality to set solver mode for RSC controller
- return -EINVAL if active requests are sent in solver mode
---
drivers/soc
such mode, disallow
requests from platform drivers for state change using the RSC.
Signed-off-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
Chanages in v3
- Add functionality to set solver mode for RSC controller
- return -EINVAL if active requests are sent in solver mode
---
drivers/soc
: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
changes in v3
- Add lock check to avoid potential race as suggested by Matthias
---
drivers/soc/qcom/rpmh-internal.h | 1 +
drivers/soc/qcom/rpmh-rsc.c | 24
drivers/soc/qcom/rpmh.c | 13 +
include/soc
read of TCS registers.
- Use spin_lock instead of _irq variants as the locks are not held
in interrupt context
Suggested-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
---
This patch is based on https://lkml.org/lkml/2018/10/3/422
---
drivers/soc/qcom/rpmh-internal.h | 2 --
drivers/soc/qco
vers: qcom: rpmh-rsc: return if the controller is idle
drivers: qcom: rpmh: disallow active requests in solver mode
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh-rsc: simplify TCS locking
drivers/soc/qcom/rpmh-internal.h | 8 +++-
drivers/soc/qcom/rpmh-rsc.c
-on
power domain. Programming the wakeup value is done through a separate
register on the RSC.
Signed-off-by: Lina Iyer
Signed-off-by: Raju P.L.S.S.S.N
Reviewed-by: Matthias Kaehlcke
---
drivers/soc/qcom/rpmh-internal.h | 4 +++-
drivers/soc/qcom/rpmh-rsc.c | 35
gned-off-by: Raju P.L.S.S.S.N
Reviewed-by: Matthias Kaehlcke
---
drivers/soc/qcom/rpmh-rsc.c | 77 +++--
1 file changed, 54 insertions(+), 23 deletions(-)
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index 75bd9a8..6cc7f21 10
patchwork.kernel.org/patch/10589385/
Lina Iyer (1):
drivers: qcom: rpmh: write PDC data
Raju P.L.S.S.S.N (1):
drivers: qcom: rpmh-rsc: clear active mode configuration for wake TCS
drivers/soc/qcom/rpmh-internal.h | 4 +-
drivers/soc/qcom/rpmh-rsc.c | 112 +---
provided in RSC address space for this purpose. PDC wakes-up
the RSC and sets up the resources back in active state before the
processor is woken up by a timer interrupt.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/system_pm.c | 61
1 file
Add suspend power management ops so that the sleep & wake resource
requests are flushed to corresponding TCS. The firmware would ensure
that the buffered requests in TCS are sent to Resource Power Manager
during entry to deepest low power modes.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers
ff-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh-internal.h | 1 +
drivers/soc/qcom/rpmh.c | 17 +
include/soc/qcom/rpmh.h | 5 +
3 files changed, 23 insertions(+)
diff --git a/drivers/soc/qcom/rpmh-internal.h b/drivers/soc/qcom/rpmh-internal.h
index f5
/2018/6/20/519
[2]. https://lkml.org/lkml/2018/7/27/326
[3]. https://lkml.org/lkml/2018/7/13/358
[4]. https://lkml.org/lkml/2018/7/19/84
[5]. https://lkml.org/lkml/2018/8/24/641
[6]. https://lkml.org/lkml/2018/6/20/800
Raju P.L.S.S.S.N (6):
drivers: qcom: system_pm: add system PM client for RPMH
needs to manage such new requests if any. A notification is
sent to controller to indicate the same.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/system_pm.c | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/qcom/system_pm.c b/drivers/soc/qcom/system
Add device binding documentation for Qualcomm Technology Inc's System PM
driver. The driver is used for managing system sleep activities that are
required when application processor is going to deepest low power mode.
Cc: devicet...@vger.kernel.org
Signed-off-by: Raju P.L.S.
add system power manager client for RPMH client and invoke
RPMH flush when last core is being powered off by listening to
cpu_pm_notifications.
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/Kconfig | 11 ++
drivers/soc/qcom/Makefile| 1 +
drivers/soc/qcom/system_pm.c | 82
or suspend.
[1]https://patchwork.kernel.org/patch/10477533/
Signed-off-by: Raju P.L.S.S.S.N
---
drivers/soc/qcom/rpmh.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index f81488b..390e779 100644
--- a/drivers/soc/qcom
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