[PATCH v4 0/5] cdx: provide sysfs interface for cdx device resources

From: Abhijit Gangurde
Date: Sat Aug 26 2023 - 00:57:25 EST


This patch series provides sysfs interface to
- enable and disable of cdx bus
- reset all the devices on cdx bus
- subsystem, class and revision for cdx device

Changes in v4:
- Make ida as static
- Imrpove commit message
- Add sparse markings for the lock.

Changes in v3:
- Remove local cdx controller list from cdx bus system and
instead use platform bus to locate controller
- Use ida to allocate unique id for registered controller

Changes in v2:
- Introduce lock to protect controller ops
- Split sysfs entry enable to enable and disable
- sysfs entry enable and disable take bus number as an argument
- sysfs entry reset takes bus number as an argument

Abhijit Gangurde (5):
cdx: Remove cdx controller list from cdx bus system
cdx: Introduce lock to protect controller ops
cdx: add support for bus enable and disable
cdx: add sysfs for bus reset
cdx: add sysfs for subsystem, class and revision

Documentation/ABI/testing/sysfs-bus-cdx | 87 ++++++++++
drivers/cdx/cdx.c | 218 ++++++++++++++++++++++--
drivers/cdx/cdx.h | 8 +
drivers/cdx/controller/cdx_controller.c | 50 ++++++
drivers/cdx/controller/mc_cdx_pcol.h | 54 ++++++
drivers/cdx/controller/mcdi_functions.c | 31 ++++
drivers/cdx/controller/mcdi_functions.h | 18 ++
include/linux/cdx/cdx_bus.h | 41 ++++-
include/linux/mod_devicetable.h | 10 ++
scripts/mod/devicetable-offsets.c | 4 +
scripts/mod/file2alias.c | 8 +
11 files changed, 513 insertions(+), 16 deletions(-)

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2.25.1