[RFC] power: opp: rcu reclaim

2012-09-12 Thread Vincent Guittot
synchronize_rcu blocks the caller of opp_enable/disbale for a complete grace period. This blocking duration prevents any intensive use of the functions. Replace synchronize_rcu by call_rcu which will call our function for freeing the old opp element. The duration of opp_enable and opp_disable will

[RFC] sched: nohz_idle_balance

2012-09-12 Thread Vincent Guittot
On tickless system, one CPU runs load balance for all idle CPUs. The cpu_load of this CPU is updated before starting the load balance of each other idle CPUs. We should instead update the cpu_load of the balance_cpu. Signed-off-by: Vincent Guittot --- kernel/sched/fair.c | 11 ++- 1 f

Re: Call for linux-linaro / linux-linaro-core-tracking topic updates

2012-09-12 Thread Sachin Kamat
On 12 September 2012 17:56, Andrey Konovalov wrote: > Greetings, > > The linux-linaro-core-tracking (llct) tree has been moved to v3.6-rc5 base. > All the topics existed in the 12.08 version of llct have been carried over > into the updated tree with few easy to resolve conflicts. The only one whi

Re: [PATCH v3 06/25] docs: Xen ARM DT bindings

2012-09-12 Thread Rob Herring
On 09/12/2012 01:14 PM, Stefano Stabellini wrote: > On Wed, 12 Sep 2012, Stefano Stabellini wrote: >> On Tue, 28 Aug 2012, Rob Herring wrote: >>> You should look at ePAPR 1.1 which defines hypervisor related bindings. >>> While it is a PPC doc, we should reuse or extend what makes sense. >>> >>> Se

Re: [PATCH v3 06/25] docs: Xen ARM DT bindings

2012-09-12 Thread Stefano Stabellini
On Wed, 12 Sep 2012, Stefano Stabellini wrote: > On Tue, 28 Aug 2012, Rob Herring wrote: > > You should look at ePAPR 1.1 which defines hypervisor related bindings. > > While it is a PPC doc, we should reuse or extend what makes sense. > > > > See section 7.5: > > > > https://www.power.org/resour

Re: [RFC PATCH v7] media: add v4l2 subdev driver for S5K4ECGX sensor

2012-09-12 Thread Francesco Lavra
Hi Sangwook, two remarks from my review on September 9th haven't been addressed. I believe those remarks are correct, but please let me know if I'm missing something. See below. On 09/12/2012 01:26 PM, Sangwook Lee wrote: > +static int s5k4ecgx_s_power(struct v4l2_subdev *sd, int on) > +{ > +

Re: [PATCH v3 06/25] docs: Xen ARM DT bindings

2012-09-12 Thread Stefano Stabellini
On Tue, 28 Aug 2012, Rob Herring wrote: > On 08/16/2012 10:35 AM, Stefano Stabellini wrote: > > Add a doc to describe the Xen ARM device tree bindings > > > > Signed-off-by: Stefano Stabellini > > CC: devicetree-disc...@lists.ozlabs.org > > CC: David Vrabel > > --- > > Documentation/devicetree/

Re: Implement devicetree support for AB8500 Btemp

2012-09-12 Thread Arnd Bergmann
On Wednesday 12 September 2012, Rajanikanth HV wrote: > On Tuesday 11 September 2012 04:52 PM, Arnd Bergmann wrote: > > On Tuesday 11 September 2012, Rajanikanth HV wrote: > Consider: USB charging: > __ >| | > --(Vbus)-->| USB Char

Re: Implement devicetree support for AB8500 Btemp

2012-09-12 Thread Rajanikanth HV
On Tuesday 11 September 2012 04:52 PM, Arnd Bergmann wrote: > On Tuesday 11 September 2012, Rajanikanth HV wrote: +Supplied-to: + This shall be power supply class dependency where in the >> runtime battery + properties will be shared across fuel guage and charging >> algori

big.LITTLE MP status Sep 10, 2012

2012-09-12 Thread David Zinman
https://wiki.linaro.org/projects/big.LITTLE.MP Blueprint Status: https://blueprints.launchpad.net/linaro-power-kernel/+spec/perf-record-replay * The basic work is done and has been verfied in August build * Blueprint will be updated https://blueprints.launchpad.net/linaro-power-kernel/+spec/big

Call for linux-linaro / linux-linaro-core-tracking topic updates

2012-09-12 Thread Andrey Konovalov
Greetings, The linux-linaro-core-tracking (llct) tree has been moved to v3.6-rc5 base. All the topics existed in the 12.08 version of llct have been carried over into the updated tree with few easy to resolve conflicts. The only one which needs attention is due to commit "ASoC: Samsung: Fix bui

[RFC PATCH v7] media: add v4l2 subdev driver for S5K4ECGX sensor

2012-09-12 Thread Sangwook Lee
This patch adds driver for S5K4ECGX sensor with embedded ISP SoC, S5K4ECGX, which is a 5M CMOS Image sensor from Samsung The driver implements preview mode of the S5K4ECGX sensor. capture (snapshot) operation, face detection are missing now. Following controls are supported: contrast/saturation/bri