Re: [PATCHv4 00/48] thermal: reorganizing thermal core

[Keerthy <a0393675@ti.com>]

On Tuesday 31 May 2016 11:48 AM, Eduardo Valentin wrote:
> Folks,
>
> This is V4 of a patch series to improve thermal core. The idea
> here is to reorganize the code and improve the way we
> handle sysfs entries.
>
> The change in behavior is that now, thermal zones with empty
> .type will not be allowed to be registered. Also, the way
> we handle scanf's return code is now checking for
> number of successful inputs.
>
> After this series, thermal core is split into the following files:
> - thermal_sysfs.c: contains the functions handling the sysfs nodes
> - thermal_helpers.c: groups functions that do not need to touch thermal
> core internal data structures, such as internal lists, and list locks.
> - thermal_core.c: functions to handle the lifecycle of the subsystem,
> its governors, cooling devices, thermal zone devices, and their
> interactions.
>
> I don't expect any impact on userspace.
>
> Please give your inputs.
>
> For your consideration, I am also adding this to this branch:
>    git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal sysfs_rework
>
> V3->V4:
> - Fixes on a couple of sysfs entries as reported in the mailing list.

Boots fine on DRA7, DRA72, Beagle-x15. Checked all the temperatures of 
various zones and tested emul_temp using:

https://lkml.org/lkml/2016/5/10/346

For DRA7/DRA72 and Beagle-x15.

Tested-by: Keerthy <j-keerthy@ti.com>

>
> V2->V3:
> - Included 8 extra patches to remove style issues on
> (new) thermal core.
>
> V1->V2:
> - Removed all checkpatch issues in the existing code that was
> moved/changed.
>
> Rui, it would be great if you could review these earlier. I will be
> sending two extra patch series on top of this one.
>
>
>
> Eduardo Valentin (48):
>    thermal: core: prevent zones with no types to be registered
>    thermal: core: group thermal_zone DEVICE_ATTR's declarations
>    thermal: core: group device_create_file() calls that are always
>      created
>    thermal: core: use dev.groups to manage always present tz attributes
>    thermal: core: move emul_temp creation to tz->device.groups
>    thermal: core: move mode attribute to tz->device.groups
>    thermal: core: move passive attr to tz->device.groups
>    thermal: core: improve power actor documentation
>    thermal: core: move power actor code out of sysfs I/F section
>    thermal: core: remove useless empty line
>    thermal: core: fix style on remove_trip_attrs()
>    thermal: core: move the trip attrs to the tz sysfs I/F section
>    thermal: core: create tz->device.groups dynamically
>    thermal: core: move trips attributes to tz->device.groups
>    thermal: core: remove unnecessary device_remove() calls
>    thermal: core: split passive_store
>    thermal: core: split policy_store
>    thermal: core: split available_policies_show()
>    thermal: core: move to_thermal_zone() macro to header file
>    thermal: core: treat correctly the return value of *scanf calls
>    thermal: core: match parenthesis on code alignment
>    thermal: core: move thermal_zone sysfs to thermal_sysfs.c
>    thermal: core: move to_cooling_device macro to header file
>    thermal: core: move cooling device sysfs to thermal_sysfs.c
>    thermal: core: remove a couple of style issues on helpers
>    thermal: core: introduce thermal_helpers.c
>    thermal: core: group functions related to governor handling
>    thermal: core: move idr handling to device management section
>    thermal: core: small style fix on __unbind() helper
>    thermal: core: move __unbind() helper to where it is used
>    thermal: core: move bind_cdev() to where it is used
>    thermal: core: move bind_tz() to where it is used
>    thermal: core: fix couple of style issues on __bind() helper
>    thermal: core: move __bind() to where it is used
>    thermal: core: add inline to print_bind_err_msg()
>    thermal: core: move notify to the zone update section
>    thermal: core: add a comment describing the main update loop
>    thermal: core: add a comment describing the power actor section
>    thermal: core: add a comment describing the device management section
>    thermal: sysfs: remove symbols of emul_temp when config is disabled
>    thermal: core: remove FSF address in the GPL notice
>    thermal: core: small style fix when checking for __find_governor()
>    thermal: core: standardize line breaking alignment
>    thermal: core: remove void function return statements
>    thermal: core: remove style warnings and checks
>    thermal: core: improve kerneldoc entry of
>      thermal_cooling_device_unregister
>    thermal: core: use kzalloc(sizeof(*ptr),...)
>    thermal: sysfs: use kcalloc() instead of kzalloc()
>
>   drivers/thermal/Makefile          |    3 +-
>   drivers/thermal/thermal_core.c    | 1363 +++++++++----------------------------
>   drivers/thermal/thermal_core.h    |   26 +
>   drivers/thermal/thermal_helpers.c |  144 ++++
>   drivers/thermal/thermal_sysfs.c   |  756 ++++++++++++++++++++
>   include/linux/thermal.h           |    2 +
>   6 files changed, 1238 insertions(+), 1056 deletions(-)
>   create mode 100644 drivers/thermal/thermal_helpers.c
>   create mode 100644 drivers/thermal/thermal_sysfs.c
>