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SubjectRe: [PATCH v2 0/6] device property: Introducing software nodes
Date
On Friday, November 9, 2018 3:21:32 PM CET Heikki Krogerus wrote:
> Hi,
>
> This is the second version of my proposal for "software nodes". There
> was a "dereferencing freed memory" bug in patch 3/5 which is now
> fixed. device_add_properties() and device_remove_properties() no
> longer change places in the code as requested by Andy.
>
> The original RFC can be checked from here:
> https://lkml.org/lkml/2018/10/12/518
>
> The origin commit message:
>
> To continue the discussion started by Dmitry [1], this is my proposal
> that I mentioned in my last mail. In short, the idea is that instead
> of trying to extend the support for the currently used struct
> property_set, I'm proposing that we introduce a completely new,
> independent type of fwnode, and replace the struct property_set with
> it. I'm calling the type "software node" here.
>
> The reason for a complete separation of the software nodes from the
> generic property handling code is the need to be able to create the
> nodes independently from the devices that they are bind to.
>
> The way this works is that every node that is created will have a
> kobject registered. That will take care the ref counting for us, and
> also allow us to for example display the properties in sysfs.
>
> There are a few more details in patch 3/5 about the software nodes in
> the commit message.
>
> [1] https://lkml.org/lkml/2018/9/17/1067
>
> --
> heikki
>
>
> Heikki Krogerus (6):
> driver core: platform: Remove duplicated device_remove_properties()
> call
> drivers core: Prepare support for multiple platform notifications
> ACPI / glue: Add acpi_platform_notify() function
> drivers: base: Introducing software nodes to the firmware node
> framework
> device property: Move device_add_properties() to swnode.c
> device property: Remove struct property_set
>
> .../ABI/testing/sysfs-devices-software_node | 10 +
> drivers/acpi/bus.c | 1 -
> drivers/acpi/glue.c | 21 +-
> drivers/acpi/internal.h | 1 -
> drivers/base/Makefile | 2 +-
> drivers/base/core.c | 34 +-
> drivers/base/platform.c | 1 -
> drivers/base/property.c | 511 +------------
> drivers/base/swnode.c | 678 ++++++++++++++++++
> include/linux/acpi.h | 10 +
> include/linux/property.h | 12 +
> 11 files changed, 768 insertions(+), 513 deletions(-)
> create mode 100644 Documentation/ABI/testing/sysfs-devices-software_node
> create mode 100644 drivers/base/swnode.c
>
>

All [1-6/6] applied, thanks!


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