[PATCH v4 00/18] Enable upper layers using FPGA region w/o device tree

From	Alan Tull <atull@kernel.org>
Newsgroups	linux.kernel
Subject	[PATCH v4 00/18] Enable upper layers using FPGA region w/o device tree
Date	2017-09-13 22:50 +0200
Message-ID	<upmLD-3Lv-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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* Change the fpga-mgr API to have one fpga_mgr_load function
  instead of three.

* Expose API functions for FPGA region

* Separate common FPGA region code from Device Tree support

* Add API functions for bridges where DT is not used.

This is needed because the current FPGA layer has a couple of problems:

* We now have 3 functions for programming a FPGA, depending on whether
the image is in a sg list, a buffer, or firmware.  So upper layers
have to be written assuming where the image will be or will have to
write extra code to maintain flexibility.

* users who aren't using device tree are left to write their
own code that is essentially a rewrite of FPGA region.

Mostly this patch set consists of small patches that rework the
FPGA region support, followed by one big patch that moves the
device tree FPGA region support to a separate file of-fpga-region.c.

v4 adds 3 patches:
* patch 16 supports overlays that don't program the fpga, such as
  an overlay that adds the devices that are in the static region
  of the FPGA
* patch 17 that cleans up the drivers/fpga/Kconfig
* patch 18 allows adding attribute groups when registering a
  fpga manager, bridge, or region.

v4 changes:
* Squashed v3's patch 1 (documentation) and patch 3 (api change)
* Fixes in function that allocates/frees fpga image info.
* Save the device that owns the image info in the image info struct.

These patches have been pushed to the linux-fpga kernel.org repo as
branch review-next-20170913-fpga-region-v4 for reviewing
convenience.

Alan Tull (18):
  fpga: bridge: support getting bridge from device
  fpga: mgr: API change to replace fpga load functions with single
    function
  fpga: mgr: separate getting/locking FPGA manager
  fpga: region: use dev_err instead of pr_err
  fpga: region: remove unneeded of_node_get and put
  fpga: region: get mgr early on
  fpga: region: check for child regions before allocing image info
  fpga: region: fix slow warning with more than one overlay
  fpga: region: use image info as parameter for programming region
  fpga: region: separate out code that parses the overlay
  fpga: region: add fpga-region.h header
  fpga: region: rename some functions prior to moving
  fpga: region: add register/unregister functions
  fpga: region: add fpga_region_class_find
  fpga: region: move device tree support to of-fpga-region.c
  fpga: of-fpga-region: accept overlays that don't program FPGA
  fpga: clean up fpga Kconfig
  fpga: add attribute groups

 Documentation/fpga/fpga-mgr.txt    | 132 +++++-----
 Documentation/fpga/fpga-region.txt |  95 +++++++
 Documentation/fpga/overview.txt    |  23 ++
 drivers/fpga/Kconfig               | 102 ++++----
 drivers/fpga/Makefile              |   1 +
 drivers/fpga/fpga-bridge.c         | 111 +++++++--
 drivers/fpga/fpga-mgr.c            | 121 +++++++--
 drivers/fpga/fpga-region.c         | 464 ++++------------------------------
 drivers/fpga/of-fpga-region.c      | 496 +++++++++++++++++++++++++++++++++++++
 include/linux/fpga/fpga-bridge.h   |   9 +-
 include/linux/fpga/fpga-mgr.h      |  33 ++-
 include/linux/fpga/fpga-region.h   |  40 +++
 12 files changed, 1036 insertions(+), 591 deletions(-)
 create mode 100644 Documentation/fpga/fpga-region.txt
 create mode 100644 Documentation/fpga/overview.txt
 create mode 100644 drivers/fpga/of-fpga-region.c
 create mode 100644 include/linux/fpga/fpga-region.h

-- 
2.7.4

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[PATCH v4 00/18]  Enable upper layers using FPGA region w/o device tree Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
  [PATCH v4 10/18] fpga: region: separate out code that parses the overlay Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
  [PATCH v4 18/18] fpga: add attribute groups Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
  [PATCH v4 16/18] fpga: of-fpga-region: accept overlays that don't program FPGA Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
  [PATCH v4 02/18] fpga: mgr: API change to replace fpga load functions with single function Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
  [PATCH v4 17/18] fpga: clean up fpga Kconfig Alan Tull <atull@kernel.org> - 2017-09-13 22:50 +0200
    Re: [PATCH v4 17/18] fpga: clean up fpga Kconfig matthew.gerlach@linux.intel.com - 2017-09-14 18:00 +0200
      Re: [PATCH v4 17/18] fpga: clean up fpga Kconfig Alan Tull <atull@kernel.org> - 2017-09-14 22:50 +0200
  [PATCH v4 06/18] fpga: region: get mgr early on Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 14/18] fpga: region: add fpga_region_class_find Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 05/18] fpga: region: remove unneeded of_node_get and put Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 13/18] fpga: region: add register/unregister functions Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
    Re: [PATCH v4 13/18] fpga: region: add register/unregister functions Wu Hao <hao.wu@intel.com> - 2017-09-14 12:10 +0200
      Re: [PATCH v4 13/18] fpga: region: add register/unregister functions Alan Tull <atull@kernel.org> - 2017-09-14 22:10 +0200
  [PATCH v4 11/18] fpga: region: add fpga-region.h header Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
    Re: [PATCH v4 11/18] fpga: region: add fpga-region.h header Wu Hao <hao.wu@intel.com> - 2017-09-14 12:00 +0200
      Re: [PATCH v4 11/18] fpga: region: add fpga-region.h header Alan Tull <atull@kernel.org> - 2017-09-14 21:40 +0200
  [PATCH v4 15/18] fpga: region: move device tree support to of-fpga-region.c Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
    Re: [PATCH v4 15/18] fpga: region: move device tree support to  of-fpga-region.c matthew.gerlach@linux.intel.com - 2017-09-14 18:00 +0200
  [PATCH v4 03/18] fpga: mgr: separate getting/locking FPGA manager Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 09/18] fpga: region: use image info as parameter for programming region Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 01/18] fpga: bridge: support getting bridge from device Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
    Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from  device matthew.gerlach@linux.intel.com - 2017-09-14 01:40 +0200
      Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Alan Tull <atull@kernel.org> - 2017-09-14 21:30 +0200
        Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from  device matthew.gerlach@linux.intel.com - 2017-09-15 00:30 +0200
          Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Moritz Fischer <mdf@kernel.org> - 2017-09-15 01:00 +0200
            Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Alan Tull <atull@kernel.org> - 2017-09-19 18:10 +0200
    Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Moritz Fischer <mdf@kernel.org> - 2017-09-18 20:00 +0200
      Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Alan Tull <atull@kernel.org> - 2017-09-18 23:00 +0200
    Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Moritz Fischer <mdf@kernel.org> - 2017-09-19 01:00 +0200
      Re: [PATCH v4 01/18] fpga: bridge: support getting bridge from device Alan Tull <atull@kernel.org> - 2017-09-19 17:40 +0200
  [PATCH v4 12/18] fpga: region: rename some functions prior to moving Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 07/18] fpga: region: check for child regions before allocing image info Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200
  [PATCH v4 08/18] fpga: region: fix slow warning with more than one overlay Alan Tull <atull@kernel.org> - 2017-09-13 23:00 +0200

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